ASSR-V621-502E

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Optoisolators are devices that use light waves to transfer signals over a small, isolated space. The ASSR-V621-502E is a type of optoisolator that uses a transistor photovoltaic output to achieve this. In this article, we’ll discuss the characteristics and working principle of this device, as well as consider its application field.

Characteristics and Working Principle of the ASSR-V621-502E

The ASSR-V621-502E is an optoisolator with a transistor-photovoltaic output with 600±20%V output voltage. It works on a 2-channel circuit, with both channels having a single-input, single-output, but configured slightly differently. The first channel, called the Darlington channel, works by having an optically generated current activate a Darlington transistor, switching the photovoltaic transistor on. This, in turn activates the secondary transistor, which creates the output voltage. The second channel works differently, activating the Darlington transistor with a voltage, rather than a current, and then triggering the photovoltaic transistor manually. The output current of the device can vary from 0.2mA to 0.1A. In both cases, the output voltage of the ASSR-V621-502E is isolated from the input voltage to protect the controller. The signal is also isolated from electrical and magnetic interference, ensuring the information is transferred without any distortion.

Application Field

The ASSR-V621-502E is designed for applications where signal isolation and electrical noise reduction are required. This makes it a good choice for industrial automation applications, such as in robotics technology, as well as in devices which require high accuracy, such as in medical monitoring equipment. It is also useful for controlling lighting in aviation applications, as it can be used to transfer signals from the cockpit to the lighting systems, without any distortion of the signal. The ASSR-V621-502E is also used in image transmission and timer applications, such as timekeeping systems.

Conclusion

The ASSR-V621-502E is a type of optoisolator that uses a transistor photovoltaic output. It works by connecting two channels; one that is activated by an optically generated current and another that is manually triggered. The output voltage is isolated from the input voltage, as well as any electrical or magnetic interference, and its applications range from industrial automation to image transmission and timekeeping.

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