H11N23S

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Optoisolators - Logic Output

Optoisolators, also known as opto- couplers or optical isolators, are semiconductor devices that use light-emitting diodes (LEDs) to detect optical signals and transfer them through an isolating barrier without any direct electrical connection. An optoisolator’s basic purpose is to provide a separation between two electrically isolated systems, so that one can communicate with the other without being impacted. Optoisolators are used to optically couple two separate circuits safely and accurately.

H11N23S Application Field and Working Principle

H11N23S is a particular type of optoisolator. This switch, also known as phototransistor, uses the technique of photocoupling. This device is commonly used in digital logic systems, industrial automation systems, and other applications. It is used to isolate signals from a source and to switch it to a load.

The H11N23S is composed of two parts: an LED and a NPN phototransistor. The LED acts as the emitter, emitting light when a voltage signal is applied. The NPN phototransistor then acts as the receiver, detecting the light emitted and switching the signal from source to load. The light from the LED is directed onto the base of the NPN phototransistor and its collector is connected to the load (the external device to be controlled). The device provides isolation between the two circuits via the LED and phototransistor.

The H11N23S can operate in both switching and non-switching applications. In the switching application, when the input voltage is applied to the LED, the NPN phototransistor will switch on and pass the voltage to the load. In the non-switching application, the input voltage is applied to the LED and the NPN phototransistor will detect it and then switch off. This process helps to protect the load from overvoltage or high current damage.

H11N23S optoisolators are capable of achieving high-speed switching and feature low power consumption, making them ideal for use in digital applications. They are also designed to operate in wide voltage ranges, allowing for use in a variety of different environments. Furthermore, they are highly reliable with a long lifetime, making them suitable for applications with long operation times.

In summary, H11N23S optoisolators are an advanced type of optoisolator that provides complete electrical isolation between two circuits. They are typically used in digital logic systems, industrial automation systems, and other applications that require high-speed switching and low power consumption. The device can be used for both switching and non-switching applications, and is highly reliable with a long lifetime.

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