EL357N(C)(TA)-G

The EL357N(C)(TA)-G is a high-speed, compact optoisolator (photocoupler) designed for signal isolation in industrial and electronic applications. It features a GaAs infrared LED paired with a phototransistor, providing electrical isolation between input and output circuits.
Key specifications:
- Isolation voltage: 5,000Vrms
- High-speed response: Typically 3μs (turn-on/off)
- Current Transfer Ratio (CTR): 50-600% (depends on model variant)
- Package: 4-pin DIP
Applications include:
- Industrial control systems
- PLC interfaces
- Noise suppression in digital circuits
The (C) variant offers tighter CTR tolerances, while (TA) indicates tape-and-reel packaging. The -G suffix denotes compliance with RoHS standards.
This optocoupler ensures reliable, noise-free signal transmission in harsh environments. For exact parameters, refer to the datasheet.

Equivalent products to the EL357N(C)(TA)-G optocoupler include:
1. PC817x series (Sharp, LiteOn)
2. TLP521-x (Toshiba)
3. CNY17-x (Vishay)
4. H11AA1-x (Fairchild/ON Semi)
5. LTV-817 (LiteOn)
These are general-purpose photocouplers with similar specs (CTR, isolation voltage). Verify pinout and electrical characteristics for exact compatibility.

The EL357N(C)(TA)-G is a compact, high-speed photocoupler (optocoupler) with the following key features:
- High Isolation Voltage: 5000Vrms for safe signal transfer.
- High-Speed Response: Fast switching (tPLH/tPHL ~4μs).
- Low Input Current (IF): 5mA typical for energy efficiency.
- Compact Package: 4-pin DIP for space-saving designs.
- Wide Operating Temperature: -55°C to +110°C for harsh environments.
- High CTR (Current Transfer Ratio): 50-600% for reliable signal transmission.
- Lead-Free & RoHS Compliant: Environmentally friendly.
Ideal for industrial controls, PLCs, and noise-sensitive applications.

The EL357N(C)(TA)-G is a 4-pin optocoupler with the following functions:
1. Pin 1 (Anode) – Input LED anode (+).
2. Pin 2 (Cathode) – Input LED cathode (-).
3. Pin 3 (Emitter) – Phototransistor emitter (output ground).
4. Pin 4 (Collector) – Phototransistor collector (output signal).
It provides electrical isolation between input and output, commonly used for signal transmission in circuits requiring noise immunity. The (C) variant may include a base pin (Pin 5) for improved response time, but the standard EL357N-G is 4-pin.

The EL357N(C)(TA)-G is a photocoupler (optocoupler) manufactured by Everlight Electronics Co., Ltd., a Taiwanese company specializing in optoelectronics.
Everlight is a leading global supplier of LED and optoelectronic components, known for producing high-quality optocouplers, sensors, and lighting solutions. The company serves industries like automotive, consumer electronics, and industrial automation.
The EL357N series is widely used for signal isolation in circuits, ensuring reliable performance in applications requiring noise immunity and voltage separation.

The EL357N(C)(TA)-G is a photocoupler (optocoupler) commonly used for:
1. Signal Isolation – Isolating high-voltage circuits from low-voltage control systems in industrial automation.
2. Noise Immunity – Reducing electromagnetic interference (EMI) in communication and power supply circuits.
3. Switching Applications – Controlling relays, motors, and solenoids in automotive and appliance systems.
4. Feedback Circuits – Providing voltage feedback in switch-mode power supplies (SMPS) and inverters.
5. Digital Logic Isolation – Ensuring safe signal transfer between microcontrollers and high-voltage peripherals.
Its compact, high-speed, and reliable design makes it suitable for harsh environments.

The EL357N(C)(TA)-G is an optocoupler (phototransistor output) typically available in a 4-pin DIP (Dual In-line Package). The "G" suffix often indicates RoHS compliance. Exact package details may vary by manufacturer, so check the datasheet for specifics like lead spacing or tape-and-reel options.