PC3SD21NTZB

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Optoisolators, also known as Opto-Couplers, are electrical components that transmit signals between two units electrically isolated from each other. Optoisolators with Triac, SCR output are common components used in various applications requiring isolation and reliable signal transfer. This article will discuss the PC3SD21NTZB optoisolator, its application fields, and the working principle used by this optoisolator.

PC3SD21NTZB is a 4-pin TTL compatible optoisolator specifically designed to meet the requirements of high frequency up to 200 kHz applications. It is designed with an integrated Triac driver, providing precise signal transfer between a digital control circuit and an AC load. The PC3SD21NTZB isolates the DC control circuit from any type of electrical or magnetic interference, including ground loops. It is equipped with an isolated Triac driver output, which offers full-wave phase-control capability over a wide AC voltage range, making it suitable for various AC application.

The typical application for the PC3SD21NTZB includes AC motor control, particularly for small fans and brushless motor control units, HVAC thermostat and lighting control, alarm systems, and medical pulse/measurement monitoring systems. Additionally, this optoisolator can also be used in a wide range of control applications such as power suppl

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