4N36(SHORT,F)

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Optoisolators are devices that provide electrical isolation between the input and the output. The 4N36 (short, F) is a type of optoisolator which uses a photo-voltaic (PV) output transistor to electrically isolate the input from the output. This article will discuss the application field and working principle of the 4N36.

The 4N36 has a wide range of applications in areas such as industrial control, commercial lighting, transportation, automotive, consumer electronics, and telecommunication. It is used to control low-voltage motors or motors that require precision control with low voltage. In addition, it can be used to control high-voltage equipment, such as pumps, motors, and inverters. Furthermore, it is also used in high-frequency switching, such as for power supply control and circuit protection.

The working principle of the 4N36 optoisolator is rather simple. A small LED inside the optoisolator emits light when an electrical signal is applied to it. This light is then detected by the optical coupler, which converts the light into an electrical signal. The electrical signal is then applied to the output transistor, which then switches on or off the circuit connected to the output of the optoisolator. This enables the optoisolator to electrically isolate the input from the output, which is useful for controlling high-voltage equipment.

One of the main advantages of using the 4N36 optoisolator is that it provides good noise immunity and prevents interference between the input and output circuits. It also helps to reduce power consumption, since the LED does not require much power and the output transistor is very efficient. Furthermore, it provides a high switching frequency and a long life-time, so it can be used in applications that require long-term reliability.

In summary, the 4N36 is a type of optoisolator with a photo-voltaic output transistor. It has a wide range of applications in areas such as industrial control, commercial lighting, transportation, automotive, consumer electronics, and telecommunication. The working principle of the 4N36 is based on the emission of light from an LED, which is then detected by the optical coupler and converted into an electrical signal. The electrical signal then switches on or off the connected circuit, and this provides electrical isolation between the input and output. The 4N36 optoisolator offers good noise immunity and high switching frequency, as well as a long life-time.

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