5962-0822703HEC

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators, also known as optocouplers, are devices that provide galvanic isolation between two electrical circuits. They typically use a light-emitting diode (LED) or a photodiode to transmit and receive information over a gap. They are especially useful in signal isolation and signal integrity applications. The 5962-0822703HEC Optoisolator, developed by HEC Inc., is a high-performance device that falls into this category.

Application Field

The 5962-0822703HEC Optoisolator is a four-channel device that is designed to switch multiple signals between two electrical circuits. It is the perfect choice for applications where signal isolation is required while minimizing the space occupied on a printed circuit board. It is also particularly suitable for medium-voltage applications, up to 750V AC, and is capable of a common-mode voltage up to 4.7kV. Furthermore, the device is equipped with a built-in electrostatic discharge (ESD) protection feature for reliability in harsh environmental conditions.

Working Principle

The 5962-0822703HEC Optoisolator works by using an LED to transmit signals across a gap. The LED sends out a light signal when a voltage is supplied to its input. This light signal is detected on the other side of the gap by a sensitive photodiode, and a corresponding voltage is produced. This voltage can then be interpreted as a digital signal and used to control the output of the two circuits.

The electrical isolation of the device is achieved by the LED and photodiode lying on the opposite sides of the gap. This means that no direct current (DC) connection exists between the two sides, thus providing complete electrical isolation. This type of device is particularly useful in applications that require the transmission of signals over a relatively large distance, or the separation of high voltages from other circuits.

Conclusion

The 5962-0822703HEC Optoisolator is a versatile and reliable device for providing electrical isolation between two circuits. It is suited for a variety of applications and can withstand high voltages and harsh environmental conditions. With its built-in ESD protection feature it is an ideal choice for applications requiring high signal integrity.

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