Electronic Components

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The ST1S06 is a step-down monolithic power switching regulator from STMicroelectronics. It's designed to provide high-efficiency power conversion for embedded systems and other applications that require a regulated low voltage from higher voltage sources.

• Input Voltage Range: 2.7V to 6V
• Output Voltage: Adjustable down to 0.8V
• Output Current: Up to 1.5A
• Switching Frequency: 1.5 MHz (high frequency allows for smaller external components)
• Efficiency: High efficiency due to synchronous rectification.
• Control Mode: Current-mode PWM (pulse-width modulation) control for better stability and transient response.
• Protection Features:
  • Thermal shutdown
  • Overcurrent protection
  • Soft start
• Package: Typically available in small SMD packages like DFN6 (3x3mm).

• Portable devices
• Battery-powered systems
• Low-voltage point-of-load regulators
• Set-top boxes and consumer electronics

• Small size, making it suitable for compact designs.
• High efficiency even at low output voltages.
• Adjustable output voltage with external resistors.

Do you need more details, like circuit design suggestions or datasheet links?

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The ULN2802 is a high-voltage, high-current Darlington transistor array IC (integrated circuit), typically used for driving motors, relays, or other high-power loads from low-power microcontrollers or logic circuits.

Here’s a quick breakdown of its features:

• 8 Darlington pairs: It includes 8 Darlington transistors that can be used to control up to 8 different devices.
• Output current: Each transistor can handle up to 500 mA of current, and the IC as a whole can handle up to 2.5 A of total current.
• Voltage rating: It can operate with output voltages up to 50V.
• Input: The inputs are TTL or CMOS compatible, which means it can be driven directly from logic circuits without the need for additional drivers.

Typically, the ULN2802 is used for interfacing low-power logic systems with high-power peripherals like motors or solenoids. It’s available in a standard DIP (Dual Inline Package), which makes it easy to use on breadboards or in through-hole designs.

Do you need help with a specific project involving the ULN2802?

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he HCPL-7721 is a high-speed CMOS optocoupler developed by Avago Technologies (now Broadcom Inc.).t is available in an 8-pin Dual In-line Package (DIP) and utilizes advanced CMOS IC technology to deliver exceptional performance with low power consumption.citeturn0search1 Key Features:

• High Data Rate: upports data transmission rates up to 25 megabaud (MBd).- Low Propagation Delay: aximum propagation delay of 40 nanoseconds, ensuring rapid signal transmission.- Propagation Delay Skew: aximum of 20 nanoseconds, providing synchronized signal transmission.- Common Mode Rejection (CMR): inimum of 10 kV/µs, enhancing noise immunity.- CMOS Compatibility: perates with a +5V CMOS logic interface.- Operating Temperature Range: uitable for environments ranging from -40°C to +85°C. Applications:

• igital fieldbus isolation, including standards like CC-Link, DeviceNet, PROFIBUS, and SDS.- evel shifting in AC plasma display panels.- ultiplexed data transmission systems.- nterfaces for computer peripherals.- icroprocessor system interfaces. or detailed technical specifications and design guidelines, please refer to the official datasheet provided by Broadcom.citeturn0search1

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The L4974 is a monolithic step-down switching regulator from STMicroelectronics. Here are its key specifications:

• Type: Step-Down (Buck) Switching Regulator
• Package: DIP-18 (also available in PowerSO-20)
• Input Voltage Range: 8V to 55V
• Output Voltage: Adjustable from 5.1V to 40V
• Output Current: Up to 4A
• Switching Frequency: 200kHz
• Efficiency: High efficiency due to switching topology
• Internal Power MOSFET: Reduces external components
• Overcurrent and Thermal Protection: Built-in safety features

• Power supply circuits
• Industrial control systems
• Automotive applications
• Battery-powered devices

Let me know if you need a datasheet, application notes, or possible alternatives! ��

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he ULN2068B is a quad NPN Darlington transistor array designed to interface logic circuits with high-current, high-voltage loads.anufactured by STMicroelectronics, it is housed in a 16-pin PowerDIP package.citeturn0search0 Key Specifications:

• Collector-Emitter Voltage (VCE): 0 V- Collector Current (IC): .75 A- Power Dissipation (PD): W- Input Voltage (VI(ON)): .75 V- Supply Current (IS): mA- Turn-On Delay Time (tPLH): µs- Turn-Off Delay Time (tPHL): .5 µs hese features make the ULN2068B suitable for driving various inductive loads such as relays, solenoids, and DC motors.he device also includes clamp diodes for inductive load transient suppression.citeturn0search3 For detailed technical information, you can refer to the datasheet available at citeturn0search3.

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he 74C907N is a hex non-inverting buffer with open-drain outputs, designed for applications requiring high current sinking capabilities.riginally produced by National Semiconductor, it is now available from manufacturers like onsemi under the part number MM74C907N.citeturn0search23 Key Specifications:

• Number of Buffers: - Logic Type: on-Inverting Buffer- Output Type: pen-Drain- Supply Voltage (VCC): V to 15 V- Maximum Sink Current per Output: 5 mA- Operating Temperature Range: 40°C to 85°C- Package: 4-pin DIP he open-drain outputs allow for wired-AND configurations and are suitable for driving LEDs or other loads requiring higher current sinking.he device operates over a wide supply voltage range, making it versatile for various applications.citeturn0search23 For detailed technical information, you can refer to the datasheet available at: citeturn0search23

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he ULN2065B is a quad Darlington transistor array manufactured by STMicroelectronics.t is designed to interface logic circuits with high-current, high-voltage loads, making it suitable for applications such as relay drivers, lamp drivers, and line drivers.citeturn0search1 Key Features:

• High Output Current: ach Darlington pair can handle up to 1.5 A.- High Voltage Capability: inimum breakdown voltage of 80 V and a sustaining voltage of at least 35 V.- Integral Suppression Diodes: ncludes built-in diodes for inductive load suppression.- Logic Compatibility: nputs are compatible with popular 5 V logic families. Package Information:

• Package Type: 6-Pin PowerDIP (0.300", 7.62mm)- Mounting: hrough Hole or detailed electrical characteristics, thermal properties, and application guidelines, please refer to the ULN2065B datasheet. he ULN2065B is available for purchase through various electronic component distributors, including Digi-Key and Mouser.

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The MAX691CPE is a microprocessor supervisory circuit from Maxim Integrated, designed to monitor and manage microprocessor (µP) systems by reducing the complexity and number of components required for power supply monitoring and battery control functions.

Key Features:

• Precision Voltage Monitoring: Monitors the supply voltage and provides a reseutput during power-up, power-down,nd brownout conditions.

• Power OK/Reset Time Delay: Offers a reset time delay of 50ms, 2s, or adjustable, ensurg proper system initialization.

• Watchdog Timer: Includes a watchdog timer with selectable timeout periods of 100ms, 1.6s, or adjustable, detect and recover from microprocessoralfunctions.

• Battery Backup Power Switching: Automatically switches to a backup battery to maintain data integrity in CMOAM or other low-power logic dung power failures.

• Low Power Consumption: Consumes minimal power in battery backup mode, exting battery life with a standby curnt of 1µA.

• Onboard Chip Enable Gating: Prevents erroneous data writes to RAM during low voltagenditions by controlling chip enable signals.

• Voltage Monir for Power Fail or Low Battery Warning: Provides a 1.3V threshold detector for power-fail warning, low battery detection, monitoring a power supy other n +.

Appliion

• Computers

• Conlle

• Intelligent Irumts

• Automotive Systems

• Critical Mipcessor Power Monitoring

For detailed electrical characteristics, pin configurations, and application guidelines, please refer the official datase  MAX691CPE is available in a 16-pin PDIP package, suitable for through-hole mounting. Ensure to consult the datasheet comprehensive information on implementing this supervisory circuit in your designs.

Approx. Rs 60 / PieceGet Latest Price

The 74LS155 is a dual 1-of-4 decoder/demultiplexer from Fairchild Semiconductor (now under ON Semiconductor). It is commonly used in data routing, address decoding, and digital logic applications.

• Package: 16-pin DIP
• Function: Dual 2-to-4 decoder/demultiplexer
• Supply Voltage (Vcc): 4.75V to 5.25V (TTL compatible, typically 5V)
• Logic Compatibility: TTL (LS - Low Power Schottky)
• Outputs:
  • Dual 1-of-4 decoder (2 independent 2-to-4 decoders)
  • Active LOW outputs (inverted logic)
  • Can function as an 8-output demultiplexer when combined
• Enable Inputs:
  • Two active LOW enable inputs for more control
  • Allows expansion to a 1-of-16 decoder
• Propagation Delay: Typical 21 ns
• Power Consumption: Low power due to Schottky technology

• Takes two select inputs (A, B) and enables one of four outputs
• When combined, can demultiplex a single input into 8 outputs
• Often used in address decoding for memory selection and multiplexing logic

Would you like a datasheet or assistance in finding an alternative?

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The MC33035 is a brushless DC (BLDC) motor controller from ON Semiconductor. It provides closed-loop speed control and is designed to drive three-phase brushless DC motors using an external power stage.

• Package: DIP-24 (also available in PLCC-28)
• Supply Voltage (Vcc): 10V to 30V
• Motor Control Type: Three-phase BLDC motor controller
• Control Method:
  • Closed-loop speed control
  • Hall sensor feedback for commutation
• PWM Control: Supports pulse-width modulation (PWM) for speed control
• Adjustable Features:
  • Current limiting
  • Speed regulation
  • Direction control (CW/CCW)
  • Brake and enable functions
• Built-in Protections:
  • Overcurrent protection
  • Undervoltage lockout
  • Thermal shutdown

• Brushless DC motor control (BLDC drives)
• Industrial motor drives
• Robotics and automation
• HVAC systems and fans

Would you like a datasheet or help with a replacement?

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The TC4429 is a high-speed, single MOSFET driver IC from Microchip Technology. Here are the key details:

• Function: Single MOSFET driver
• Supply Voltage (Vdd): 4.5V to 18V
• Output Current: 6A peak
• Input Threshold: TTL/CMOS compatible
• Rise/Fall Time: ~25ns (typical, with 1,800pF load)
• Propagation Delay: ~55ns (typical)
• Package Options: DIP-8, SOIC-8, TO-220-5, and other variations
• Operating Temperature Range: -40°C to +125°C

• High peak output current (6A)
• Low output impedance (~2.5Ω typical)
• Wide operating voltage range (4.5V to 18V)
• Fast switching speeds
• Inverting & Non-inverting versions available (TC4429 is non-inverting)
• Latch-up protected up to ±500mA

• Driving MOSFETs in power supplies and motor controls
• High-speed switching circuits
• Pulse transformers and signal amplification

Would you like a datasheet or a comparison with another driver IC?

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The 74AC540 is an octal inverting buffer/line driver with tri-state outputs, manufactured by Fairchild Semiconductor (now part of ON Semiconductor). It is part of the Advanced CMOS (AC) logic family, offering high-speed and low power consumption.

• Function: Octal inverting buffer/line driver with 3-state outputs
• Logic Type: Inverting
• Number of Inputs/Outputs: 8
• Supply Voltage (Vcc): 2V to 6V
• Input Voltage (Vin): 0V to 6V
• Output Current: ±24mA (at 3V Vcc)
• Propagation Delay: ~6.5ns (typical at 5V)
• Package Type: DIP-20, SOIC-20
• Operating Temperature Range: -40°C to +85°C

• Tri-state outputs for bus-oriented applications
• High-speed CMOS technology
• Low power consumption
• TTL-compatible inputs
• Capable of driving high loads (24mA output drive)
• Schmitt trigger action on inputs (for noise immunity)

• Bus-oriented systems
• Signal buffering and line driving
• Memory address decoding
• Industrial and computing applications

Would you like a datasheet or a comparison with another logic buffer IC?

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The MC14490 is a hex contact bounce eliminator IC from Motorola (now part of NXP Semiconductors). It is designed to eliminate switch bounce in mechanical contacts, providing clean and stable logic-level outputs.

• Debounces up to 6 mechanical switches independently
• Input pull-up resistors included (eliminates need for external components)
• TTL/CMOS compatible outputs
• Fast response time: Typically 10ms debounce time
• Operating voltage: 3V to 18V (ideal for both 5V and 12V systems)
• Low power consumption

• IN1–IN6: Switch inputs (connect to mechanical contacts)
• OUT1–OUT6: Debounced outputs
• VDD & VSS: Power supply pins
• OSC & Cx: External capacitor connection for debounce timing (typically 0.01µF)

• Debouncing mechanical switches, relays, or push buttons
• Microcontroller input signal conditioning
• Keyboard and keypad debouncing
• Industrial control systems

Would you like a datasheet or a circuit example? ��

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The ACPL-P456 is a surface-mount optocoupler IC developed by Broadcom (formerly Avago Technologies). It features a gallium arsenide phosphide (GaAsP) LED optically coupled to an integrated high-gain photodetector. This design ensures high common-mode rejection (CMR) performance, making it suitable for applications like Intelligent Power Module (IPM) interfaces and gate drive circuits. citeturn0search1

Key Specifications:

• Mounting Style: Surface Mount Device (SMD)
• Package / Case: Stretched SO-6
• Output Type: Open Collector
• Number of Channels: 1
• Isolation Voltage: 3750 Vrms
• Maximum Continuous Output Current: 15 mA
• Forward Voltage (Vf): 1.5 V
• Operating Temperature Range: -40°C to +100°C
• Propagation Delay (Max): 550 ns
• Common Mode Transient Immunity (Min): 15 kV/μs

These characteristics make the ACPL-P456 ideal for isolating low voltage control signals from high voltage circuits, ensuring safety and signal integrity in various industrial applications. citeturn0search1

For detailed technical information, you can refer to the datasheet available on Broadcom's official website. citeturn0search1

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The IRS2007 is a high-voltage, high-speed power MOSFET and IGBT driver IC developed by Infineon Technologies. It features dependent high and low side referenced output channels, making it suitable for various applications such as appliance motor drives, micro inverter drives, and general-purpose three-phase inverters. citeturn0search0

Key Features:

• Gate Drive Supplies: Supports up to 20 V per channel.
• Undervoltage Lockout: Equipped with undervoltage lockout for both VCC and VBS.
• Logic Compatibility: Compatible with 3.3 V, 5 V, and 15 V input logic levels.
• Negative Transient Voltage Tolerance: Designed to withstand negative transient voltages.
• Bootstrap Power Supply Compatibility: Optimized for use with bootstrap power supplies.
• Cross-Conduction Prevention: Incorporates logic to prevent cross-conduction.
• Matched Propagation Delay: Ensures matched propagation delay for both channels.
• Internal Deadtime: Features an internally set deadtime.
• Output Phasing: High-side output is in phase with HIN input; low-side output is out of phase with LIN input.
• Operating Temperature Range: Operates within a range of -40°C to 125°C.
• ESD Protection: Provides 2 kV Human Body Model (HBM) ESD protection.

Product Variants:

The IRS2007 is available in two package options:

1. IRS2007S: 8-Lead SOIC package.
2. IRS2007M: 14-Lead MLPQ 4x4 package.

For detailed specifications, including electrical characteristics and application guidelines, please refer to the official datasheet provided by Infineon Technologies. citeturn0search0

If you're interested in purchasing the IRS2007 IC, it is available through various electronic component distributors, including DigiKey. citeturn0search2

Approx. Rs 150 / PieceGet Latest Price

The TC4427 from Microchip Technology is a dual MOSFET driver, not a microcontroller or processor, so it does not have a "core size" or bit architecture. Instead, it is designed to drive MOSFETs with high-speed switching capability.

• Dual MOSFET driver (two independent channels)
• Input voltage range: 4.5V to 18V
• Output peak current: 1.5A per channel
• Rise/Fall time: ~25ns (with 1,000pF load)
• Low input current: 1 µA max
• Latch-up protection: Withstands up to 1.5A reverse current
• Package: Available in DIP-8, SOIC-8, and other options

• MOSFET and IGBT driving
• Switch-mode power supplies (SMPS)
• Motor control
• Pulse transformer driver

Would you like a datasheet or help with designing a circuit using this IC?

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The TC1427 from Microchip Technology is a dual high-speed MOSFET driver designed for driving power MOSFETs in switching applications. It is similar to the TC4427, but with slightly different electrical characteristics.

• Dual-channel MOSFET driver (two independent drivers in one package)
• Output peak current: 1.2A per channel
• Input voltage range: 4.5V to 16V
• Rise/Fall time: ~50ns (with 1,000pF load)
• Low power consumption (low quiescent current)
• Latch-up protection: Can handle up to 1.5A reverse current
• Package: Available in DIP-8, SOIC-8

• Driving MOSFETs and IGBTs
• Switch-mode power supplies (SMPS)
• Motor control
• Pulse transformers
• High-speed switching circuits

Would you like a datasheet or circuit design recommendations using this IC?

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The TC7662 is a charge pump voltage converter from Microchip Technology, commonly used for generating negative supply voltages from a positive input voltage. It is a CMOS-based device that is functionally similar to the classic ICL7660, but it offers higher current capability and improved efficiency.

• Input Voltage Range: +3V to +15V
• Output Voltage: Typically -V_IN
• Output Current: Up to 45mA (at 15V input)
• Low Operating Current: Typically 170µA
• Efficiency: Up to 96%
• Oscillator Frequency: 10kHz (internal), can be boosted up to 45kHz using an external capacitor
• Low Output Impedance: 35Ω
• Package Options: Available in DIP-8, SOIC-8

• Generating negative voltage rails (e.g., for op-amps, sensors)
• LCD biasing
• Battery-powered systems
• RS-232 level converters

Would you like a datasheet or specific details like pin configuration?

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The TC4421 is a high-speed, high-current MOSFET driver from Microchip Technology, designed to directly drive large capacitive loads or power MOSFETs in switching applications.

• High Peak Output Current: 9A
• Wide Input Voltage Range: 4.5V to 18V
• Low Output Resistance: 0.85Ω (typical)
• Fast Switching Times:
  • Rise Time: 25ns (with 1,000pF load)
  • Fall Time: 25ns (with 1,000pF load)
• Input Logic Compatibility: TTL and CMOS
• Latch-Up Protection: Can withstand up to 500mA reverse current
• Package Options: DIP-8, SOIC-8, TO-220-5, TO-263-5

• Switch-mode power supplies (SMPS)
• Motor control
• DC-DC converters
• Class D audio amplifiers
• Gate drive for power MOSFETs and IGBTs

Would you like a datasheet or further details like the pinout?

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The TC4429 is a high-speed MOSFET driver IC from Microchip Technology, designed to drive large capacitive loads with fast rise and fall times.

• High Peak Output Current: 6A (source & sink)
• Wide Operating Voltage: 4.5V to 18V
• Low Propagation Delay: Typically 55ns
• Low Output Impedance: 2.5Ω
• Latch-Up Protected: Will not latch under any conditions.
• Logic-Compatible Inputs: Works with TTL and CMOS logic levels.
• Low Power Consumption: Less than 1mA static current
• Available in DIP & SMD Packages:
  • 8-Pin DIP (PDIP-8)
  • 8-Pin SOIC (SOIC-8)

1. NC – No Connection
2. NC – No Connection
3. INPUT – Logic Control Input
4. GND – Ground
5. OUTPUT – MOSFET Gate Drive Output
6. OUTPUT – MOSFET Gate Drive Output (same as pin 5)
7. VDD – Power Supply (4.5V–18V)
8. NC – No Connection

• Switching Power Supplies (SMPS)
• Motor Control Circuits
• DC-DC Converters
• Class D Audio Amplifiers
• High-Speed Pulse Circuits

Would you like a schematic example or alternative IC recommendations?

Approx. Rs 200 / PieceGet Latest Price

The Avago HCPL-786J is an optically isolated sigma-delta (Σ-Δ) modulator designed for precise current sensing in motor control and power inverter applications. It converts a low-bandwidth analog input into a high-speed, one-bit data stream using sigma-delta modulation, providing high noise margins and excellent immunity against isolation-mode transients. The device offers 12-bit linearity and operates over a recommended input range of ±200 mV with a single 5 V supply. It features a fast 200 ns conversion time and operates within a temperature range of -40°C to +85°C. The HCPL-786J is available in a 16-pin SOIC package, suitable for surface-mount applications. For detailed specifications and application guidelines, please refer to the official datasheet. citeturn0search1

Approx. Rs 600 / PieceGet Latest Price

The BTS621L1 is a smart two-channel high-side power switch from Infineon Technologies, designed for automotive and industrial applications. It integrates protective features and diagnostic functions to enhance system reliability.

Key Features:

• Protection Mechanisms: Overload protection, current limitation, short circuit protection, thermal shutdown, and overvoltage protection (including load dump).

• Diagnostic Functions: Open drain diagnostic output and open load detection in the ON-state.

• Control Compatibility: CMOS-compatible input for seamless integration with microcontrollers.

• Robust Design: Reverse battery protection, undervoltage and overvoltage shutdown with auto-restart and hysteresis, and electrostatic discharge (ESD) protection.

Applications:

The BTS621L1 is suitable for microcontroller-compatible power switching with diagnostic feedback in 12V and 24V DC grounded loads. It can manage various load types, including resistive, inductive, and capacitive, making it a viable replacement for electromechanical relays, fuses, and discrete circuits.

Package Information:

This device is available in a 7-pin TO-220 package, facilitating easy mounting and integration into existing designs.

For detailed technical specifications, refer to the BTS621L1 datasheet.

Availability:

The BTS621L1 can be purchased from various electronic component distributors, including:

• Mouser Electronics

• DigiKey

• Amazon

Ensure to verify the current stock and delivery options, especially for shipping to Mumbai, Maharashtra, India.

Approx. Rs 3,000 / PieceGet Latest Price

The PSS20S51F6 is an Intelligent Power Module (IPM) from Mitsubishi. Here are its key specifications:

• Type: 3-phase Intelligent Power Module (IPM)
• Voltage Rating (Vces): 600V
• Current Rating (Ic): 20A
• Switching Frequency: Up to 20 kHz
• Integrated Features:
  • IGBT power stage
  • Gate drive circuit
  • Protection functions (overcurrent, undervoltage, and temperature protection)
• Package: DIP (Dual Inline Package)
• Applications:
  • Motor control (AC motors, servo motors, and HVAC systems)
  • Inverters
  • UPS (Uninterruptible Power Supply)
  • Industrial automation

Would you like a datasheet or help finding an alternative part?

Approx. Rs 450 / PieceGet Latest Price

The AVS12CB is an AC switch IC made by STMicroelectronics, designed for AC line switching applications. Here's a summary of its features and typical use:

• Manufacturer: STMicroelectronics

• Function: AC Switch (Integrated Triac + Trigger Circuit)

• Package: TO-220AB

• Voltage Rating: 1200 V

• Current Rating: Up to 6 A

• Control Voltage: 5V logic-compatible (typically from microcontrollers)

• Built-in trigger circuit, making it easy to interface with logic-level control

• Snubberless design (tolerates inductive loads without external components)

• Supports zero-crossing switching

• Designed to control resistive or inductive loads (motors, lamps, solenoids)

• Includes over-voltage protection using built-in clamping

• Appliance control (e.g. washing machines, dishwashers)

• Home automation

• Light dimmers

• Motor control

• Replaces electromechanical relays in many AC load-switching applications

Would you like the datasheet or help with circuit design using the AVS12CB?

Approx. Rs 450 / PieceGet Latest Price

Here’s a detailed overview of the LM3485MM by Texas Instruments:

• Manufacturer: Texas Instruments (originally National Semiconductor) 

• Type: Hysteretic PFET buck (step‑down) controller

• Package: 8‑pin VSSOP (DGK) — designated “MM” variant 

• Input Voltage Range: 4.5 V to 35 V 

• Output Voltage Range: Adjustable from 1.242 V (reference) up to VIN 

• Internal Reference Accuracy: ±1.3% (±2% over temperature) 

• Efficiency: Up to 93% 

• Control Architecture: Hysteretic, no external compensation, up to >1 MHz switching 

• Duty Cycle: 100% capable (low-dropout performance)

• Quiescent Current: ~250 µA 

• Cycle-by-Cycle Current Limit: Sensed via PFET RDS(ON) or external resistor, with 9 µs off-time Operating Temp. Range: –40 °C to +125 °C 

• Hysteretic control dynamically adjusts switching frequency based on load without the need for loop compensation 

• Current limiting via VDS measurement through PFET simplifies current protection 

• Feed-Forward Capacitor (Cff) option helps tighten ripple control and bump operating frequency 

• PFET architecture enables ultra‑low dropout and maintains regulation right down to VIN 

• Battery-operated devices

• Distributed power systems or “always-on” supplies

• Set-top boxes, DSL/cable modems, TFT displays, automotive systems

• Portable LED drivers and general buck regulator designs 

• Package: 8‑pin VSSOP (DGK), marking “S29B” Ordering: LM3485MM/NOPB is active, available from DigiKey (~$1.00 @ 1 ku) Eval Boards: TI offers LM3485EVAL and LM3485LED-EVAL modules for simplified prototyping 

• Main Datasheet: SNVS178H (Dec 2015, Rev H), ~28 pages Earlier Versions: Revisions G and F available; Rev H includes latest clarifications 

Approx. Rs 500 / PieceGet Latest Price

Here’s a detailed overview of the TOP258YN from Power Integrations, part of their TOPSwitch‑HX family:

The TOP258YN is a monolithic off‑line flyback switcher IC that integrates a 700 V MOSFET, PWM controller, oscillator, and protection circuits—all in a TO‑220‑7C package 

• Voltage Rating: 700 V MOSFET built-in 

• Maximum Output Power: Up to ~195 W (open-frame), ~148–195 W depending on conditions

• Switching Frequency: Typically 132 kHz, with jitter to reduce EMI 

• Input Voltage Range: 85–265 VAC 

• Operating Temp: –40 °C to +150 °C 

• Package: TO‑220‑7C (6‑pin through-hole, heatsinkable) 

Ideal for high-efficiency flyback SMPS designs, such as:

• Power adapters and open-frame supplies (up to ~195 W)

• LCD monitors, small servers, and laptop chargers

• UPS systems

• LED lighting & audio amplifiers

• Set-top boxes, broadband modems, consumer electronics 

• Datasheet (~50 pages): full specifications, performance curves, typical SMPS designs 

• Application Note AN‑43: design guidelines for TOPSwitch‑HX family 

The TOP258YN is a highly integrated, 700 V flyback switcher optimized for efficient, compact, and protected power-supply designs up to ~195 W. Its comprehensive feature set, robust protection, and high availability make it a reliable choice for offline SMPS applications.

Would you like assistance with:

• Example topology or reference design circuits?

• Comparable alternatives in the TOPSwitch‑HX line?

• Sourcing from specific suppliers closer to Mumbai?

Happy to help further!

Approx. Rs 700 / PieceGet Latest Price

The LTC1446CS8 is a dual 12-bit voltage-output Digital-to-Analog Converter (DAC) IC manufactured by Linear Technology (now part of Analog Devices). Here's a detailed overview:

• Manufacturer: Linear Technology (Analog Devices)

• Package: SOIC-8 (S8)

• Type: Dual DAC

• Resolution: 12 bits

• Number of DACs: 2 (Dual output)

• Output Type: Voltage output

• Interface: 3-wire SPI-compatible serial interface

• Settling Time: 10µs (typical)

• Output Voltage Range: 0V to VREF

• Reference Input: External

• Power Supply Voltage: Single supply, 2.7V to 5.5V

• Low Power: ~250µA typical operating current

• Power-Down Mode: Yes

• Package: SOIC-8

• Temperature Range: 0°C to +70°C (Commercial grade – CS8)

• Precision Voltage Setting

• Waveform Generation

• Portable Instruments

• Process Control

• Offset and Gain Adjustment

• LTC1446IS8: Same IC, but Industrial temperature range (−40°C to +85°C)

• LTC1448: Similar device with a wider voltage range or enhanced features

Would you like the datasheet or a pinout diagram for the LTC1446CS8?

Approx. Rs 450 / PieceGet Latest Price

Here’s a refined overview of the Avago/Broadcom ACPL‑C870 (also known as ACPL‑C87A/B/C870/‑000E/‑500E) optical isolation amplifier:

• Part Number: ACPL‑C870 (variants A/B/‑000E/‑500E)

• Manufacturer: Broadcom (formerly Avago) 

• Type: Precision optically isolated voltage sensor (isolation amplifier) 

• Package: 8-pin SOIC (stretched SSO‑8) 

• Supply Chain: In stock at multiple distributors:

  • Mouser (ACPL‑C870‑000E) 

  • LCSC (ACPL‑C870‑000E) 

  • DigiKey (ACPL‑C870‑500E) 

• Input voltage range: 0–2 V nominal with 1 GΩ input impedance 

• Unity gain (1 V/V) with ±0.5% accuracy for C87B version 

• Wide bandwidth: 100 kHz, ±3 dB 

• Common-Mode Transient Immunity (CMTI): ~15 kV/µs 

• Supply voltage range (output side): 3 to 5.5 V 

• Operating temperature: –40 °C to +105 °C 

• Phase‑in/challenges: Gain drift ≈ –35 ppm/°C; offset drift ≈ 21 µV/°C; <0.1% non‑linearity 

• Isolation rating:

  • 5 kVrms per UL‑1577

  • 1 kVpeak working per IEC/EN 60747‑5‑5 

• Package withstands: 5 kVrms isolation voltage 

• Isolated voltage sensing in motor drives, solar inverters, servo systems

• Data acquisition, signal isolation in industrial controls 

You can access the full datasheet via several sources:

• Broadcom’s datasheet PDF listing 

• Mouser product documentation (datasheet link)

• Avnet / AllDataSheet mirrored datasheet

Would you like help with pinout diagrams, PCB footprint, typical application examples, or sourcing it from a recommended distributor?

Approx. Rs 600 / PieceGet Latest Price

Here’s a detailed breakdown of the 29F64G08CBABA (Micron MT29F64G08) NAND flash IC:

• Manufacturer: Micron Technology (part of MT29F series) 

• Memory Capacity: 64 Gbit (8 G × 8 bits, i.e., 8 GB) 

• Package Type: TSOP‑48 (surface-mount) 

• Interface: Asynchronous parallel, 8-bit data bus — ONFI 2.2 compliant, MLC technology 

• Voltage Range: 2.7 V–3.6 V supply 

• Max Supply Current: ~50 mA during active read operations 

• Operating Temperature: Commercial grade, 0 °C to +70 °C 

• Page Size: Typically 8,192 bytes of user data + 448 bytes of spare (common in ONFI-compliant MLC NAND) 

• MLC NAND: Multi-level cell format provides a cost-effective compromise between density and endurance

• Status: Classified as an obsolete part in Micron’s catalog (MT29F64G08CBABAWP variant) 

• Distribution: Still available in limited quantities via distributors like FindChips, Newark, and Win Source though inventory is low 

• Embedded storage in FPGAs, microcontrollers, or controllers requiring large datasets

• Firmware/media storage in legacy industrial systems

• Boot media in consumer electronics or legacy computing devices

• Interface: Support for standard asynchronous NAND protocols; must implement proper timing sequences, bus control, and signal integrity for stable operation

• PCB Considerations: High-density parallel buses and power-routing need careful layout

• Legacy Nature: Being obsolete, consider supply uncertainty—plan for long-term sourcing or redesign

• Alternative Options: For new or ongoing production, newer NAND devices (e.g., 128 Gbit, lower voltage, smaller packages like BGA or TSOP32) may be more suitable

• If maintaining legacy hardware, this is the correct drop-in part. Just be cautious about sourcing due to obsolescence.

• For new designs, seek ONFI-compliant NAND in modern packages with enhanced endurance and supply support (e.g., 128 Gbit or 3.3 V LVCMOS-compatible part).

Need help choosing a replacement, or guidance on software controller setup (like ECC, wear‑levelling, bad block management)? I’d be happy to help!

Approx. Rs 400 / PieceGet Latest Price

Here’s a detailed overview of the MAX1482EPD (and its variant MAX1482EPD+) by Maxim Integrated (now Analog Devices):

The MAX1482 is a full-duplex RS-485/RS-422 transceiver that supports up to 256 nodes on a bus thanks to its 1/8-unit-load receiver impedance. It's designed for low EMI, low power, and robust communication in industrial and data-logging environments 

• Supply Voltage: 5 V (rated 4.75–5.25 V) 

• Operating Current:

  • ~20 µA operational standby

  • Ultra-low shutdown: ~0.1 µA 

• Data Rate: up to 250 kbps Driver Slew‑Rate‑Limited: Minimizes EMI and signal reflections 

• Common-Mode Range: –7 V to +12 V on the bus lines 

• Driver Protection: Short-circuit current limit plus thermal shutdown 

• Receiver Fail-Safe: Guarantees high output if inputs are open 

Available in:

• MAX1482EPD (PDIP‑14, –40 °C to +85 °C) Also available as MAX1482CPD (0 °C to +70 °C) or MAX1482CSD (SO‑14 SMD) 

• DE: Driver Enable (active high)

• RE: Receiver Enable (active low)

• DI: TX data input

• RO: RX data output

• A/B: Differential bus lines

Shutdown occurs when DE=0 and RE=1 → consumption drops to ~0.1 µA .

• Industrial/local area networks

• Multi-node RS‑485 sensor/data-bus systems

• EMI-sensitive communication environments

• Systems requiring ultra-low idle power or remote shutdown

If DIP packaging or Maxim’s parts are hard to source, consider:

• MAX1482CSD (SOIC-14, same spec)

• Other low-load slew-rate transceivers like MAX485, ST3485E, or ADM488 – check EMI and load specs 

Approx. Rs 600 / PieceGet Latest Price

Here’s a detailed breakdown of the SKBPC5016 three‑phase bridge rectifier:

• Part Number: SKBPC5016

• Package: SKBPC square chassis-mount (THT leads 6.3 × 0.8 mm) 

• Repetitive Peak Reverse Voltage (VRRM): 1600 V 

• Average Rectified Output Current (with heatsink, Tc = 55 °C): 50 A 

• Surge Forward Current (IFSM, 8.3 ms half-sine): 500 A 

• I²t (1–8.3 ms): ~1038–1040 A²·s 

• Maximum forward voltage per diode (IFM=25 A): ~1.15 V 

• Max DC reverse current: 5 µA @ 25 °C; 500 µA @ 125 °C 

• Dielectric strength (terminals to case): 2.5 kVAC (1 min) 

• UL-recognized (UL file #E230084) 

• Glass-passivated junctions for reliability 

• High surge current capability and low thermal resistance (~0.9 °C/W junction-to-case with heatsink) 

• RoHS-compliant and UL94 V‑0 molded body; solder dip tolerant up to 275 °C for 7 s 

• Operating & Storage Temp: –55 °C to +150 °C 

• Typical Weight: ~19 g 

• Package Dimensions: ~23 × 23 × 28 mm (A/B/C dims) 

• Ideal for three-phase AC–DC rectification in industrial/automation equipment

• Commonly used in server power supplies, frequency inverters, motors, and general-purpose three-phase power modules 

• Manufactured by Yangzhou Yangjie, Kingtronics, ASEMI, Luguang, etc. 

• Also listed by major distributors like TME (YANGJIE version) 

The SKBPC5016 is a robust, 50 A, 1600 V three-phase bridge rectifier featuring:

• High surge handling (500 A)

• Low forward voltage drop (~1.15 V)

• Excellent reliability (UL-recognized, glass passivation, low RθJC)

• Excellent for heavy-duty industrial use

Would you like help finding suitable heatsinks, smoothing capacitors, alternative parts, or purchasing options in India?

Approx. Rs 450 / PieceGet Latest Price

Here’s an overview of the MAX3469 from Maxim Integrated:

• Manufacturer: Maxim Integrated

• Category: Interface IC – RS-485/RS-422 Transceivers

• Package: Typically SOIC (Small Outline IC)

• Type: Low-power RS-485/RS-422 transceiver

• Channels: 1 driver, 1 receiver

• Data Rate: Up to 12 Mbps

• Supply Voltage (Vcc): 3.0 V to 5.5 V

• I/O Voltage Range: –7 V to +12 V

• ESD Protection: ±15 kV (Human Body Model) on bus pins

• Low Power: 1 µA shutdown current

• Fail-Safe Receiver: Guaranteed logic-high output when inputs are open, shorted, or idle

• Short-Circuit Protection: Yes, thermal shutdown included

• Bus Compatibility: Up to 32 transceivers on the bus

• Industrial automation and process control

• RS-485/RS-422 communication networks

• Security systems and building automation

• Point-of-sale terminals

• Motor control networks

⚡ Would you like me to also provide the pin configuration and functional block diagram for the MAX3469 so you can see how it’s typically connected in a circuit?

Approx. Rs 400 / PieceGet Latest Price

Here’s what I found on the MAX16822AASA (and variants):

This IC is a step-down (buck), constant-current LED driver featuring an integrated MOSFET and high-side current sensing—a compact solution designed primarily for automotive and lighting applications.

• Input voltage range: 6.5 V to 65 V

• Output current: Up to 350 mA (some variants up to 500 mA at lower temperatures)

• LED current accuracy: ±3%

• Switching frequency: Up to 2 MHz

• PWM or linear dimming support, programmable via external resistors

• Built-in protections: thermal foldback, shutdown to prevent overheating

• Operating temperature: –40 °C to +125 °C

• Package: 8-pin SOIC (narrow), automotive-grade AEC-Q100 variants available

• Automotive interior/exterior LED lighting

• Architectural, ambient LED lighting

• LED bulbs and other lighting systems needing efficient, high-current LED control

• The AASA suffix indicates the automotive-qualified version (AEC-Q100), with “+T” often denoting tape-and-reel packaging for manufacturing.

• Example ordering variants: MAX16822AASA+, MAX16822AASA/V+, and MAX16822AASA+T. All share the same core functionality but differ in packaging or certification level.

Would you like help with recommended application circuits, BOM parts for similar LED drivers, or assistance sourcing in larger quantities? Just let me know!

Approx. Rs 450 / PieceGet Latest Price

Here’s what I found about the MAX1672EEE IC from Maxim Integrated (now part of Analog Devices):

The MAX1672EEE is an integrated step-up/step-down (buck–boost) DC-DC converter that combines a switching regulator with a linear post-regulator to efficiently manage input voltages that fall both above and below the desired output. It’s available in a compact 16-pin QSOP package (same footprint as an 8-pin SO) .

• Input voltage range: 1.8 V to 11 V

• Output options:

  • Preset to 3.3 V or 5 V

  • Adjustable (1.25 V to 5.5 V) via external resistors 

• Output current:

  • Up to 300 mA at 5 V when VIN ≥ 2.5 V

  • Around 150 mA at 5 V when VIN ≥ 1.8 V 

• Typical efficiency: ~85% 

• Low quiescent current:

  • ~85 µA during normal operation

  • ~0.1 µA in shutdown 

• On-chip features:

  • Built-in N-channel MOSFET for boost

  • P-channel pass device for regulation

  • Programmable inductor-current limit to accommodate smaller inductors

  • Low-battery detection (PGI/PGO comparator)

  • Thermal and short-circuit protection 

• Ideal for: battery-powered devices where VIN may cycle above or below VOUT (e.g., single-cell lithium, multi-cell alkaline, digital cameras, handheld electronics).

• In boost mode (VIN < VOUT): the switching regulator is active, while the linear regulator acts as a low-resistance PFET switch—achieving high boost efficiency (~85%).

• In low-dropout step-down (VIN slightly above VOUT): both boost and linear regulators work to maintain a stable output, with the linear stage smoothing ripple.

• In normal step-down mode (VIN significantly above VOUT): only the linear regulator is active—ensuring clean, regulated output with minimal complexity .

The internal control uses a PFM (pulse-frequency modulation) scheme: fixed 1 µs off-time and variable on-time, limited by inductor current or max on-time of ~4 µs .

• If you're working on a new design or need long-term availability, consider sourcing the MAX1672EEE+ or +T variants for better availability.

• For legacy designs, the MAX1672EEE remains a direct match—but stock may be limited.

• Looking for modern replacements? Let me know if you'd like alternative components with similar buck–boost capabilities and current output.

Would you like help tracking stock in India or comparing replacement components?

Approx. Rs 250 / PieceGet Latest Price

Here are the detailed specifications for the UCC38C43DGKR IC — commonly associated with Texas Instruments, though it may also be branded or distributed under ST in some cases:

• Part Number: UCC38C43DGKR

• Manufacturer: Texas Instruments (originally Unitrode, sometimes listed under ST distribution)

• Type: High-Performance Current-Mode PWM Controller

• Package: MSOP-8 / VSSOP-8 (DGK package)

• Function: Precision PWM controller for DC–DC converters and offline power supplies

The UCC38C43 is a fixed-frequency, current-mode PWM controller designed for high-efficiency switch-mode power supplies.
It offers fast transient response, accurate duty-cycle control, and operates at higher frequencies than older UC384x devices.
This IC is a modern, low-power version of the popular UC3843 controller.

• Operating Frequency: Up to 1 MHz

• Reference Voltage: 5.0 V ±1% precision

• Operating Supply Voltage: 7.0 V – 30 V

• Start-Up Current: <50 µA (low startup power)

• Operating Current: ~1 mA typical

• Duty Cycle Range: 0% to 100%

• Output Drive Capability: ±1 A peak

• UVLO Threshold:

  • Turn-on: ~7.9 V

  • Turn-off: ~7.4 V

• Soft-start capability: via external components

• Enhanced linearity and accuracy for improved performance in power regulation

• Compatible with: UC3842, UC3843, UC3844, UC3845 pinouts

• DC–DC converters

• AC–DC offline power supplies

• Isolated and non-isolated flyback converters

• Forward or buck topologies

• Telecom, industrial, and motor-control power systems

• Package Type: DGK (MSOP-8 / VSSOP-8)

• Marking Example: C43x (depending on variant)

• RoHS: Compliant

• Mounting: Surface-mount (SMD)

Would you like me to include a typical flyback converter circuit diagram using the UCC38C43? It helps visualize how this IC is used in SMPS designs.

Approx. Rs 200 / PieceGet Latest Price

The PN8147 is a high-performance, low standby-power off-line PWM (Pulse Width Modulation) controller IC developed by Wuxi Chipown Micro-electronics. It's designed for non-isolated AC-DC applications, such as adapters, chargers, and auxiliary power supplies, where high efficiency and compact design are essential.

• Integrated High-Voltage Power MOSFET: Built-in 650V avalanche-rugged MOSFET simplifies design and reduces component count.

• Multiple Operating Modes:

  • Hi-mode: 60kHz PWM operation for high efficiency under full load.

  • Eco-mode: Pulse Frequency Modulation (PFM) for improved efficiency at medium loads.

  • Burst-mode: 25kHz operation to minimize power consumption under light or no-load conditions.

• Low Standby Power Consumption: Less than 50mW at 230VAC, meeting stringent energy-saving standards.

• Frequency Modulation: Reduces EMI, simplifying compliance with regulatory standards.

• Built-in Soft Start: Limits inrush current during startup, enhancing reliability.

• Package: Available in DIP-7 configuration, facilitating easy integration into various designs

For detailed technical information, refer to the official datasheet:

If you're considering alternatives or newer designs, here are some options:

• PN8145: A similar PWM controller with ultra-low standby power consumption, suitable for cost-effective flyback switching power supply systems.

• PN8161: An advanced PWM controller offering enhanced performance for off-line applications.

These alternatives share similar features and applications as the PN8147, such as high efficiency and low standby power consumption. However, please note that equivalent products may have slight variations in specifications or packaging.

If you need assistance with selecting an appropriate alternative or have questions about application circuits, feel free to ask!

Approx. Rs 500 / PieceGet Latest Price

Additional Information:

• Delivery Time: READY STOCK
• Packaging Details: Radhe Krishna components, we have huge stock of hard to find original products with over 10000+ parts ready available for immediate dispatch.

Approx. Rs 1,500 / PieceGet Latest Price

The TMR 3-2423 is a compact 3-watt isolated DC-DC converter from TRACO Power, designed for applications requiring dual output voltages with galvanic isolation. citeturn0search0

Key Specifications:

• Input Voltage Range: 18 to 36 VDC

• Output Voltages: +15 VDC and -15 VDC

• Maximum Output Current: 100 mA per output

• Efficiency: Up to 85%

• Isolation Voltage: 1,500 VDC (input to output)

• Operating Temperature Range: -40°C to +85°C

• Package: SIP-8

Features:

• Fully regulated outputs

• Remote On/Off control

• Continuous short circuit protection

• Compact design occupying only 2.0 cm² of board space

This converter is suitable for applications in communication equipment, instrumentation, and industrial electronics where space and efficiency are critical. citeturn0search2

For detailed information, refer to the official datasheet.

Approx. Rs 300 / PieceGet Latest Price

The TC7MBD3245AFK is an SMD IC from Toshiba that acts as an 8-bit dual-supply bus switch with bidirectional level shifting. It is widely used for interfacing between devices with different operating voltage levels in digital systems.

1. Functionality:

   • Bidirectional Level Shifting: Translates signals between two voltage levels.
   • Bus Switch: Facilitates communication between two buses by acting as an active, low-resistance switch.

2. Voltage Levels:

   • VccA: Low-voltage side supply (1.65 V to 3.6 V).
   • VccB: High-voltage side supply (2.3 V to 5.5 V).

3. ON Resistance (RON):

   • Typical RON: ~5 Ω.
   • Ensures low signal distortion and high-speed transmission.

4. Control Logic:

   • Includes enable pins to turn the bus switch on or off as needed.

5. Operating Speed:

   • High-speed operation suitable for fast data communication.

6. ESD Protection:

   • Built-in electrostatic discharge protection for robust operation.

1. Package Type:

   • SSOP20 (Shrink Small Outline Package).
   • 20 pins, compact SMD design.

2. Dimensions:

   • Body Width: ~5.3 mm.
   • Pin Pitch: 0.65 mm.

3. Material Composition:

   • Encapsulation: Epoxy resin to provide environmental protection.
   • Lead Plating: Tin for solderability and corrosion resistance.

• Voltage level translation in multi-voltage systems.
• Signal switching in digital systems, including microcontrollers and FPGAs.
• Data bus control in portable electronics, consumer devices, and industrial systems.

• A and B Ports: Interface for voltage-level translation.
• Control Pins: Enable and control the switch functionality.

Refer to the datasheet for a detailed pin configuration and operational characteristics.

• Ensure proper PCB layout for thermal dissipation and reliable signal transmission.
• If sourcing the exact part is challenging, I can help identify equivalent components or compatible alternatives.

Would you like assistance with the datasheet, circuit design, or sourcing?