EL817(S)(A)(TU)

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Optoisolators are components that use a light-emitting diode (LED) to electrically isolate one part of a circuit from another, thereby providing safe and reliable electrical insulation. They form the basis of a variety of control and interface systems for industrial, medical and consumer products.

The EL817(S)(A)(TU) series is an optoisolator that consists of a gallium arsenide infrared diode optically coupled to a monolithic silicon phototransistor, which provides a transistor direct output. It has a maximum isolation voltage of 5000 volts and rated current of 5mA, making it suitable for many applications.

The working principle of the EL817 series is quite simple. It consists of an infrared LED that emits light when a current is applied to it. The light from the LED is then received by the phototransistor, which, in turn, generates an electrical signal. This electrical signal is then used to control the output of the device.

The EL817 series is suitable for a wide range of applications, such as medical instrumentation, switch controls, power supplies, voltage regulation, and motor speed control. It is also used in industrial and consumer applications, including remote control systems, automotive and home automation, and electrical meters.

The EL817 series can be used in a variety of circuit configurations, including emitter-coupled logic (ECL) and TTL logic circuits. Its high-impedance input makes it suitable for use in low-level sensing circuits. In addition, the device’s wide supply voltage range makes it highly compatible with multiple power supplies.

In summary, the EL817(S)(A)(TU) series of optoisolators provides reliable electrical insulation for a variety of applications. It is simple to use, easy to integrate into existing circuits, and has a wide supply voltage range, making it an ideal solution for many applications.

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