PS2801-4

Part points

• The PS2801-4 chip is an optoisolator device that provides electrical isolation and signal transmission between two different electronic circuits. It is commonly used in applications that require protection against noise, voltage spikes, and ground loops. The chip consists of an infrared LED and a phototransistor, which work together to transmit signals optically.

• Equivalent

  Equivalent products to the PS2801-4 chip include the TLP521, PC817, and PC357 optocouplers. These devices offer similar functionality and can be used as alternatives in various applications that require isolation or voltage level shifting.

• Features

  The PS2801-4 is an optoisolator photocoupler that consists of an infrared emitting diode and a NPN silicon phototransistor. It provides high isolation voltage (3,750 Vrms), low input current (1 mA), high collector-emitter voltage (80 V), small package size, and high-speed switching. It is suitable for use in a wide range of applications, including digital logic ground isolation, power transistor isolation, and analog signal ground isolation.

• Pinout

  The PS2801-4 is a 16-pin photo coupler or optoisolator with a built-in photodetector and infrared-emitting diode. It consists of an input diode, photodiode, and a transistor in a single package. Its main function is to electrically isolate high voltage signals or noise in electrical systems to protect sensitive components.

• Manufacturer

  The manufacturer of the PS2801-4 is NEC Corporation. NEC is a multinational electronics and IT company based in Japan. It specializes in various technologies, including semiconductors, telecommunications equipment, computer peripherals, and more.

• Application Field

  The PS2801-4 is a high-speed and high-voltage optocoupler with enhanced insulation. It is commonly used in applications such as digital logic inputs, waveform generation, data transmission, microprocessor system interfaces, and switch mode power supply feedback control. Its versatility, fast response time, and reliable performance make it suitable for use in various industrial and consumer electronic devices.

• Package

  The PS2801-4 chip is available in a DIP (Dual Inline Package) configuration. It has a 16-pin package form and its size follows the standard dimensions for DIP packages, typically measuring about 1.27 mm (0.05 inches) in pitch.