VO4256H-X007T

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One of the most commonly used optoisolators is the VO4256H-X007T, which falls into the Triac, SCR Output category. It is used in a variety of applications to provide galvanic isolation between circuits. The VO4256H-X007T typically includes an LED optically coupled to a triac, making it an ideal choice for AC and DC signal switching. In particular, it is a popular optoisolator for light dimmer control applications.

The VO4256H-X007T is built in a 3-pin package, with the LED input on one side and the SCR output on the other. The LED input requires a DC forward voltage of ≤ 2.0V and must be current-limited to ≤ 10mA. When the LED is enabled, current passes through it and illuminates a light-sensitive triac, which is electrically isolated from the LED circuit. The triac then triggers and conducts current through the SCR output, providing a path for the signal to cross the isolation barrier created by the device.

The VO4256H-X007T optoisolator is designed to protect circuits against line transients with its 600Vrms maximum isolation voltage. This makes it ideal for applications on both AC and DC lines. It also includes an internal diode for ESD protection and can handle a maximum power load of 1A. Additionally, its improved design immunity suppression reduces the risk of radio interference caused by the switching signal.

The VO4256H-X007T is a reliable and easy-to-use optoisolator capable of controlling all AC and DC signals in light dimmer control applications. Its maximum 600Vrms isolation voltage provides excellent electrical protection, while its improved design immunity suppression reduces the risk of radio interference caused by the switching signal. The VO4256H-X007T is also capable of handling a maximum power load of 1A and is a great choice for any optoisolator application requiring galvanic isolation.

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