FOD4216

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Optoisolators are electrical isolation devices that are used to increase electrical safety by isolating an input from an output. FOD4216 is one of the specific type of optoisolator, it’s widely used in many applications and have different working principles.

Application Field of FOD4216: FOD4216 is mainly used for signal-delay switching and additional electrical isolation. Its application range from computers and communication equipment to industrial automation and robotics, It provides additional isolation between the input and output and selected a specific delay time to implement the switching of two devices.

Working Principle of FOD4216: FOD4216 is a triac output optoisolator, it consists of a LED, a high-performance linear integrated circuit, a 700V triac, an optocoupler base and some passive components. When a current flows through the LED, an optical signal is generated to turn on the integrated circuit, which then computes the delay time of the device and turns on the triac. This will complete the switching of the two devices.

FOD4216 provides excellent insulation capability between the input and output, and can withstand maximum 1800Vrms of peak input voltage which can greatly protect the wire network from external or internal electrical interference. It can also be combined with other devices to improve system performance while ensuring a low overall cost.

Thus, FOD4216 plays an important role in the signal-delay switching application, its excellent insulation capability and precise delay time control makes it widely used in various devices or tools. It also provides a better insulation capability than other optoisolator to ensure the safety of the human body and the equipment.

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