EL817(S)(D)(TD)-V

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Optoisolators are electronic components used when electrical isolation is needed between two circuits. They protect important systems by isolating them from electrical noise, interference, and power fluctuations, as well as from potential differences in ground level. The EL817(S)(D)(TD)-V series of optoisolators are transistor, photovoltaic output optoisolators, providing a high isolation voltage and high signal transfer speed.

The EL817(S)(D)(TD)-V series optoisolators are designed to provide superior electrical isolation while maintaining an optimal data transfer speed. The optical input and electrical output are optically isolated by a light barrier, providing a high-voltage barrier for long-term protection. The optoisolators can switch up to 30mA and provide high signal-transfer speed up to 100kHz. They have a high creepage distance between the light-emitting device (LED) and the photodiode, which helps reduce the possibility of electrical noise and surge problems.

The working principle of EL817(S)(D)(TD)-V optoisolators is relatively simple. When an electrical signal is applied to the input terminal or LED on the optoisolator, it emits a light that is detected by a photodiode on the other side of the light barrier. This causes a current to flow in the photodiode, which is then amplified by a transistor and output as an electrical signal. This electrical output is isolated from the input electrical signal, meaning the output will not be affected by any electrical noise, interference, or fluctuations.

Applications for the EL817(S)(D)(TD)-V optoisolator series include data lines, communication lines, PLC controls, and other areas where electrical isolation is needed. They can also be used in digital and analog systems, as they provide a high-speed switching time that is essential for these systems. The optoisolator’s ability to transmit signals over long distances also makes it ideal for industrial applications where electrical noise or interference would be a problem.

The EL817(S)(D)(TD)-V optoisolator series provide the long-term electrical isolation that is needed in a variety of systems. With their fast switching speed and high isolation voltage, they are the ideal choice for a variety of applications that require electrical isolation. By providing reliable electrical isolation, the optoisolator ensures the high-quality signal transfer needed for these types of systems.

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