PC3SD21YTZC

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolator devices, such as a PC3SD21YTZC, serve to electrically isolate input and output signals while providing a coupling capability between these two signals. This type of optoisolator is particularly designed to isolate AC lines with a TRIAC or Silicon Controlled Rectifier (SCR) output type. This optoisolator unit can provide complete protection between both lines, therefore allowing a safer, more reliable operation.

This particular optoisolator unit utilizes a field isolated TRIAC or SCR output that includes a triggering LED optically connected to a 5A TRIAC or SCR output. It also has a maximum repetitive peak on-state current of 0.8A. It has very good insulation characteristics, with an insulation resistance greater than or equal to 20MΩ at 500 VDC, as well as a dielectric strength of 1500 VRMS.

This optoisolator is constructed with a molded plastic epoxy underbody to protect the device from moisture, voltage surges, and certain chemicals. It can also operate in a wide temperature range, from 0 to +70°C, making it suitable for a variety of applications. Its high isolation voltage is also suitable for operation with mains application.

This optoisolator also uses a Phototriac coupled module for the TRIAC output, which improves the noise immunity while increases surge current handling capability. The same applies for the SCR output.

The switching voltage of the PC3SD21YTZC optoisolator is 12-280 Volts AC for the TRIAC output and 2-280 Volts AC for the SCR output. Other properties of the module include a short circuit blocking capability of 100 mA for 1/2 Cycle and a Rise/fall time of 10 μs. The optoisolator is also optimized to help reduce any external circuit noise, which helps ensure reliable operation.

The working principle of the PC3SD21YTZC optoisolator is relatively simple and can be explained by the circuit diagram below. The optoisolator consists of a light source, such as a light emitting diode (LED), and a light detector, such as a Triac or SCR. When the electrical control signal (left side of circuit) is applied to the LED, the LED will emit light that enters the optical isolator. The light is then received by the phototransistor within the optical isolator, which acts as a switch. When the phototransistor is activated, the TRIAC or SCR will conduct and the output circuit will then turn on or off, depending on the state of the input signal.

This optoisolator can be used in numerous application fields. Generally, this type of optoisolator is employed where a reliable electrical isolation between the input and output needs to be established, such as in various AC circuit adjustment applications. The PC3SD21YTZC optoisolator, in particular, makes an ideal choice for industries that require better protection from hazardous surges. It can also be used in household appliances, such as air conditioners, washing machines, and microwave ovens.

The specific data is subject to PDF, and the above content is for reference