CQ220-6D

TRIACs are a type of thyristor (a four-layer semiconductor device that acts as a switch) and have become an integral part of many electronics projects. While they have many applications, they are becoming increasingly popular as switching elements in power control. The CQ220-6D is a popular, rugged, and reliable TRIAC designed to provide the necessary power and features for power control applications.

Applications

The CQ220-6D is a robust, high-performance TRIAC suitable for a wide range of applications, including motor and lighting control, load switching, low-frequency switching, and high-current switches. The device is vibration and shock-resistant and can control resistive, inductive, and capacitive loads. It has an on-state current rating of 330 mA and an off-state voltage rating of 600V. It provides excellent reliability and EMC performance, and its features make it suitable for a variety of applications.

Working Principle

The CQ220-6D works by switching power on and off in two directions. When the TRIAC is triggered and the gate voltage applied, the gate-emitter current increases, thus allowing the flow of current between the main terminal and the gate. At this point, the TRIAC is considered to be “on” and current is allowed to flow through the device. When the current reaches the TRIAC\'s Tripping Threshold, the TRIAC switches off and the device returns to its off-state. In order to switch the device off, either the voltage applied to the gate has to be removed, or the current must be terminated, or both.

Conclusion

The CQ220-6D is a versatile and reliable TRIAC designed for use in a variety of power control applications. The device is vibration and shock-resistant, and provides excellent reliability and EMC performance. Its features make it suitable for a variety of applications, including motor and lighting control, load switching, low-frequency switching, and high-current switches.