CQ220-8M3 SL

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Thyristors, also known as silicon controlled rectifiers (SCRs), are solid–state devices that act as an electronically operated switch. They can be used to control the flow of electricity in a circuit, as well as for motor speed and phase control.

A Triac is a specific type of thyristor. It is physically similar to an SCR but electrically very different, offering four layers of alternating N- and P-type semiconductor material instead of the usual two. This allows a single Triac to act as two back to back SCRs controlled via a single gate. The CQ220-8M3 is a specific type of Triac.

The CQ220-8M3 SL is a 400V, 8A, 3 Quadrant Triac, designed to meet the needs of a wide range of applications. It is capable of providing precise control of AC power in several applications, particularly when combined with mains-dimmable lighting solutions. Its on-state blocking voltage range is up to 660V, while its off-state blocking voltage range is up to 1000V. Its gate triggering current is 5 mA.

The working principle of the CQ220-8M3 SL is similar to that of other Triacs in that the basic operation is controlled by the gate terminal. When the gate voltage is above a certain threshold, current begins to flow from the main terminals and is then switched on and off based on the magnitude of the gate current. The device is capable of controlling a wide range of AC voltages, up to 400V, with a high degree of precision.

The CQ220-8M3 SL is well-suited for a broad range of applications, from motor speed and phase control, lighting solutions and temperature control, to industrial and domestic heating solutions. It is commonly used in fans, pumps, dimmable lighting control systems and heaters. Its low gate triggering current and blocking voltage capabilities make it suitable for use in many applications with very wide input voltage ranges.

Overall, the CQ220-8M3 SL is an excellent option for any application where precise control of AC power is needed. It is a reliable, robust and high-performance Triac that offers excellent thermal characteristics, low power consumption, and low gate triggering current. It is designed to handle a wide range of voltages and power, making it a great choice for a variety of applications.

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