6N137VM

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Optoisolators - Logic Output, 6N137VM is a photocoupler which uses semiconductor optical radiation to transmit information between two circuits of potential difference. It helps to link the two circuits electrically while isolating them in a galvanic mode, as well as providing protection for the input circuit against high-voltage or induced lightning disturbances. 6N137VM has a wide variety of applications because of its ability to provide a robust electrical isolation between two circuits while providing its users with the highest levels of electrical performance. Because of its reliable performance, 6N137VM is especially suitable for telecommunication, as well as automated sensing and control devices for large industrial machines such as elevators, robots, heating, ventilating, and air conditioning (HVAC). It is also used in hospital operating room environments with automated control systems of sterilizing machines and medical scanners.

The diagram below displays the structure of the 6N137VM optoisolator. The optoisolator consist of a light source, a light-sensitive isolation barrier, and a light particle receiver in a single isolation package. The light source consists of a gallium arsenide light-emitting diode (LED), driven by a voltage applied to the terminal marked "Anode". When the LED is energized, it emits light that is transmitted across the isolation barrier and then detected by a shaped photoconductor receiver.

The main component of the input circuit is the photoconductor and it works in a process called photoconductive conversion. The problem with this type of conversion is that it is very slow. In order to increase the speed of this process, the 6N137VM optoisolator has an amplifier circuit built in it. This amplifier circuit is able to amplify the current from the LED so that it can be detected by the photoconductor quicker. As a result, the 6N137VM optoisolator is able to provide low-power drive as well as a fast switching response time.

When the input voltage reaches at the gate terminal, the LED emits light across the interruption barrier. The light that passes through the interruption barrier will be received and detected by the photoconductor. As the photoconductor detects the light, it will send out a current to the output terminal of the optoisolator. This output current will be a source when it is connecting to a load. This current will also be an inverting signal to the gate terminal, letting it know what the input value is.

The 6N137VM optoisolator is an ideal solution for any electrical isolation applications. It is reliable and robust while providing its users with the highest levels of electrical performance. Its low-power drive and fast switching response time makes it suitable for a wide range of applications from telecommunication, HVAC to medical scanners. Its structure also allows it to provide a reliable and robust electrical isolation between two circuits.

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