ON FOD817B

Part points

• The FOD817B is an opto-isolator chip that consists of an infrared emitting diode and a phototransistor. It is commonly used for electrical isolation in various applications, such as in power supplies, motor control circuits, and industrial automation. The chip helps to protect sensitive components from high voltage and noise, ensuring reliable and safe operation of electronic systems.

• Equivalent

  Some equivalent products of the FOD817B chip include PC817, 4N25, and 4N35.

• Features

  The FOD817B is an optoisolator with a phototransistor output. It features a high current transfer ratio, low input current, and high isolation voltage. It is designed for use in applications such as sensing, feedback control circuits, and general-purpose switching circuits.

• Pinout

  The FOD817B is a 4-pin phototransistor optocoupler. The pinout includes an anode, cathode, collector, and emitter. The device is commonly used for isolation, voltage sensing, and general-purpose switching applications in circuits.

• Manufacturer

  The manufacturer of the FOD817B is Fairchild Semiconductor. Fairchild Semiconductor is a global company specializing in the design, development, and manufacture of semiconductors and integrated circuits for various industries, including automotive, consumer electronics, industrial, and telecommunications.

• Application Field

  The FOD817B is typically used in applications that require high isolation voltages and low power consumption. It is commonly used in power supplies, motor control, communication systems, and optical sensors.

• Package

  The FOD817B chip is available in a DIP-4 package type, which stands for Dual In-line Package. Its form factor is a rectangular shape with two parallel rows of pins on opposite sides. The size of the package is about 9.6mm x 6.5mm x 3.6mm.