EL817(S1)(B)(TU)-G

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Optoisolators are components which provide galvanic isolation between two electrical networks. It’s necessary to provide the isolation when the ground potential difference existing between two networks, otherwise electric current flows from one network to another network which can cause undesired influences and even destroy the system. One type of optoisolator is the EL817 (S1)(B)(TU)-G, which uses a Transistor, Photovoltaic Output to bridge circuits without allowing current flow between the two circuits.

The EL817 (S1)(B)(TU)-G is comprised of an infrared LED which is linked to the input side and a photodarlington transistor linked to the output side. The LED and transistor are isolated from each other with an optical material encapsulated in a transparent package. When power is applied to the LED, the LED emits infrared radiation which is then collected by the photodarlington transistor. The transistor then passes the collected charge to the output side of the optoisolator, providing a galvanically isolated signal.

The EL817 (S1)(B)(TU)-G has a wide range of applications. It can be used in control systems to protect delicate circuits against electrical surges or other disturbances. It can be used in medical equipment to protect patient safety or in industrial control systems to provide isolation between components. Additionally, it can be used in motor control systems to provide discrete pulse signals for controlling frequency or acceleration.

Along with its wide application fields, the EL817 (S1)(B)(TU)-G has some advantages. Firstly, it offers very high electrical noise immunity. Secondly, the optical isolation provides efficiency and reduces transmission losses. Thirdly, it can offer high isolation voltage and high isolation resistance. Finally, it also offers fast response time and low power consumption.

In conclusion, the EL817 (S1)(B)(TU)-G is a Transistor, Photovoltaic Output optoisolator which offers high electrical noise immunity, efficiency, and fast response time. It is a versatile device with a wide range of applications including control systems, medical equipment, industrial control systems, and motor control systems. It is a reliable and cost effective solution for isolating circuits from one another.

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