AQY211EHAX

Series:	PhotoMOS™ AQY
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:	1A
On-State Resistance (Max):	500 mOhms
Termination Style:	Gull Wing
Package / Case:	4-SMD (0.300", 7.62mm)
Supplier Device Package:	4-SMD

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Solid State Relays

The AQY211EHAX is a solid state relay (SSR) designed to provide reliable switching in a variety of applications. It is a type of electronic switch that can control a variety of electrical loads such as motors, lights, and heaters. The AQY211EHAX is specifically designed to be used in harsh environments, such as high temperatures, high pressure, and hazardous environments.

Application Field

The AQY211EHAX solid state relay is primarily used in industrial and commercial applications. This includes motor control, temperature control, lighting, and various other applications that require a reliable switching solution. It is suitable for use in many different industries, including automotive, engineering and construction, telecommunication, and power generation. The AQY211EHAX is particularly suited for applications that require switching in a harsh and hazardous environment. Its use of a non-contact switching system eliminates the risk of electrical arcing, which is associated with electromechanical relays. This reduces the risk of electric shock, fire and explosions. The AQY211EHAX relays are also highly resistant to vibration and shocks, making them suitable for industrial motor controls, elevator controllers, and other similar applications.

Working Principle

The AQY211EHAX solid state relay works through the use of a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). This device acts as a switch, allowing electric current to flow in one direction when a control voltage is applied. The AQY211EHAX has a DC input voltage range of 3V to 32V. The DC input voltage is connected to a MOSFET, which is responsible for switching the AC output voltage at the load. When the DC voltage is applied, the MOSFET is turned on and the relay closes, allowing current to flow through the load. The current flows through the AC output terminals of the AQY211EHAX, which are connected to the load. The AQY211EHAX features an optical isolation system that isolates the control electronics of the relay from the AC output. This ensures that the control circuitry does not get exposed to potentially hazardous voltages. Additionally, the AQY211EHAX features a forced air cooling system, allowing it to operate safely in temperatures up to 75 degrees Celsius.

Conclusion

The AQY211EHAX is an excellent choice of solid state relay for industrial and commercial applications that require reliable switching in a harsh environment. Its use of a MOSFET switch and forced air cooling system ensure that it can safely handle temperatures up to 75 degrees Celsius and is resistant to shocks and vibrations. The optical isolation system also ensures that the control electronics are not exposed to potentially hazardous voltages. The AQY211EHAX is therefore an ideal choice for motor controls, temperature and lighting controls, elevator controllers, and other applications in rugged environments.

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