ON FOD817D

Part points

• The FOD817D is a chip that belongs to the family of optocouplers. It combines a phototransistor and an infrared emitter in a single package. The chip is used to isolate high-voltage circuits from low-voltage circuits and to provide noise immunity. It can transmit and receive signals across an air or insulation gap, making it useful in applications such as power supply systems, industrial control, and telecommunications.

• Equivalent

  Some equivalent products of the FOD817D chip are the PC817, EL817, and TLP521-1. These chips are optoisolators or optocouplers designed to transfer electrical signals between isolated circuits while providing galvanic isolation. They have similar specifications and can be used interchangeably in many applications.

• Features

  The FOD817D is an optoisolator consisting of a GaAs infrared emitting diode and a silicon NPN phototransistor. Its features include high current transfer ratio, low forward voltage, and high isolation voltage. It is designed for use in applications requiring electrical isolation between low voltage circuits.

• Pinout

  The FOD817D is a 4-pin optoisolator device. Its pins include anode, cathode, collector, and emitter. It acts as a photo-transistor and is commonly used for signal isolation and switching applications.

• Manufacturer

  The FOD817D is manufactured by Fairchild Semiconductor International, a global company specializing in the design and manufacture of power management and analog semiconductor solutions for different applications.

• Application Field

  The FOD817D optocoupler is commonly used in applications such as signal isolation, voltage level shifting, DC motor control, power supplies, and industrial automation. It provides high signal isolation for improved system performance and reliability.

• Package

  The FOD817D chip is available in a Dual Inline Package (DIP) form. It is a six-pin package and has compact dimensions, typically measuring approximately 10.16mm x 6.35mm x 3.81mm (L x W x H).