VO4156H-X007

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Optoisolators - Triac, SCR Output are widely used for isolating two sections electrically. One of the most widely used optoisolators is the VO4156H-X007.

Application field

The VO4156H-X007 optoisolator consists of two parts, the light emitting diode and the TRIAC and SCR output. This optoisolator can transmit the output stage completely isolated from the input stage. In the application field, the optoisolator is used for direct current (DC) voltage and alternating current (AC) voltage. For example, it is used in consumer and industrial electronic products, switches, remote control devices, circuit breakers, induction motors, computer equipment, and instrumentation. It is also used to protect against hazardous voltage and current.

Working Principle

When the input voltage of the optoisolator is applied to the emitter of the light emitting diode, the diode produces light which is transmitted to the TRIAC/SCR. Since the TRIAC/SCR is optically coupled to the diode, the output is switched by the emitted light from the LED. When the transmit frequency is adjusted for the optoisolator, it triggers the TRIAC/SCR and the load connected to the output is switched.

This optoisolator also performs the function of overvoltage protection. It can withstand voltage up to 400v and the voltage input range is typically between 3V and 18V. Additionally, the insulation resistance between the input and output of the optoisolator is greater than 1x1012 ohm.

Using the VO4156H-X007 optoisolator offers a number of advantages, such as high speed switching, excellent insulation characteristics, high electromagnetic compatibility (EMC), no spark switching, and high noise immunity. These features make it an ideal solution for applications requiring fast switching and high isolation.

In conclusion, the VO4156H-X007 optoisolator is an ideal choice for applications requiring high speed and high isolation. It can be used in consumer and industrial electronics, computers, instrumentation, and other applications. Its high speed switching and excellent insulation characteristics make it an excellent choice for applications where high speed and high isolation are required.

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