AQY221R6TW Relays

Series:	PhotoMOS™ AQY2
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 30V
Load Current:	800mA
On-State Resistance (Max):	350 mOhms
Termination Style:	SMD (SMT) Tab
Package / Case:	4-SMD (0.071", 1.80mm)
Supplier Device Package:	4-VSSOP

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Solid State Relays

AQY221R6TW is a type of solid state relays. A solid state relay is a device that uses an electronic circuit to control the flow of electrical energy. Unlike traditional electromechanical relays, solid state relays have no moving parts, making them more reliable and longer lasting. This makes them ideal for applications where high current switching is required, such as industrial automation, process control, and lighting control.

Application Field

The AQY221R6TW is designed for use in AC load switching. It is a compact module that is highly efficient and has a low power consumption. It is capable of switching high power loads of up to 600V, 60Hz, and 30A. It is ideal for use in motor controls, fans, pumps, compressors, solenoid valves, welders, power tools, and other AC switching applications.

Working Principle

The AQY221R6TW utilizes a triac and an optically-isolated integrated circuit for high-speed switching. The triac acts as a controllable switch, switching the AC voltage on and off. The optical isolation provides signal and power supply isolation, increasing both reliability and safety. The AQY221R6TW includes a zero-crossing detector for a smooth switching operation, ensuring that the current will not exceed the maximum level during switch operation. Additionally, the AQY221R6TW includes over-temperature protection and over-current protection.

Conclusion

The AQY221R6TW is an ideal choice for applications in which high current switching is required, such as industrial automation, process control, and lighting control. It is a highly efficient and reliable solid state relays that is capable of switching high power loads. It is a compact module with a low power consumption and several safety features, providing high reliability and protection.

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