4N36

Part points

• The 4N36 is an optocoupler integrated circuit (IC) that combines an infrared emitting diode and a phototransistor in a single package. It is primarily used for isolating high voltages and frequencies between two circuits. The 4N36 chip provides electrical isolation, allowing voltage signals to pass through while providing protection against voltage spikes or fluctuations.

• Equivalent

  Equivalent products of the 4N36 chip include the PC817, TLP621, H11AA1, and MOC3021.

• Features

  The 4N36 is a general-purpose phototransistor optocoupler with an input current transfer ratio of 100-600% at a collector current of 1mA. It provides electrical isolation between input and output, and can switch on/off high voltage AC or DC loads up to 80V. It is suitable for applications including computer terminals, digital logic arrays, and industrial systems.

• Pinout

  The 4N36 is a 6-pin optocoupler with a phototransistor output. It consists of an infrared emitting diode, optically coupled to a phototransistor detector. The pins on the device include the anode and cathode of the infrared diode, the collector and emitter of the phototransistor, an optional base connection for the phototransistor, and a common connection.

• Manufacturer

  The manufacturer of the 4N36 is Fairchild Semiconductor, which is now a part of ON Semiconductor. Fairchild Semiconductor is a global company that specializes in producing a wide range of electronic components, including semiconductors, integrated circuits, and optoelectronics.

• Application Field

  The 4N36 is an optocoupler commonly used in applications that require electrical isolation and signal transmission between different circuits. It finds extensive use in industrial automation, motor control, power supplies, and medical equipment, where it helps in protecting sensitive components and improving system performance.

• Package

  The 4N36 chip comes in the package type called DIP (Dual Inline Package). It has a 6-pin form and a standard size of 0.300 inch.