PC3SF21YTZAF

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Optoisolators are barriers that have been developed to provide electrical isolation while maintaining signal communication in a system. They are divided into two main categories according to their optical output format: phototransistor or triac/SCR output. The PC3SF21YTZAF optoisolator series is classified as one with a triac/SCR output that provides high-voltage isolation between input and output circuit. The isolation voltage of this optoisolator is up to 2500Vrms, making it an ideal choice for many applications.

The PC3SF21YTZAF application field is diverse, from industrial/automotive systems, consumer electronics to medical/healthcare markets. It is particularly used in safety critical applications such as solar energy systems, AC motor control systems and so on, where a high level of electrical isolation must be ensured. With its high performance of 2500Vrms isolation, the PC3SF21YTZAF optoisolator series can ensure that the signal between the input and output circuits is safely transmitted without being affected by system delays or noise.

The working principle of the PC3SF21YTZAF optoisolator is based on an optical coupler. This coupler consists of an LED and a photodetector, which are optically coupled to each other via an epoxy ejector. When the LED is illuminated, it emits light that is received by the photodetector, which is then converted into a current output signal. The output signal is then further sent to the optocoupler device, which is capable of converting the electrical current into a triac or SCR output.

The instantaneous response time of the PC3SF21YTZAF is as low as 25ns, making it suitable for high-speed applications. It also features a wide current transfer ratio from 250mA to 1500mA, allowing more signal options and better accuracy. Additionally, the PC3SF21YTZAF optoisolator series is specially designed to provide over-voltage protection and is capable of suppressing surge voltages up to 400VAC.

Overall, the PC3SF21YTZAF optoisolator series is an ideal solution for many applications that require high voltage isolation and fast response time. With its 2500Vrms isolation voltage, wide current transfer ratio and low response time, it provides robust performance and excellent signal accuracy. By combining optical and electrical isolation in one package, it ensures maximum system safety and reliability in all applications.

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