AQW212EH

Series:	PhotoMOS™ AQW
Packaging:	Tube
Part Status:	Active
Mounting Type:	Through Hole
Circuit:	SPST-NO (1 Form A) x 2
Output Type:	AC, DC
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 60V
Load Current:	500mA
On-State Resistance (Max):	2.5 Ohms
Termination Style:	PC Pin
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP

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Solid State Relays and the AQW212EH

Solid state relays (SSRs) are devices that use no moving parts, instead relying on optical components to open or close a circuit. This makes them immune to vibrations or shocks which could damage ordinary mechanical relays, making them highly reliable and offering long life cycles of up to 100 million operations. The AQW212EH is a particular type of solid state relay that has become popular in a range of applications. This digital display relay has a built-in sequencer and many innovative features designed to make it fit more easily into systems and increase its reliability.

Applications of the AQW212EH

The AQW212EH is designed for a range of applications. It has become a key component in camera systems due to its ability to accurately sequence and control machinery. Furthermore, due to its strong signal transmission capacity across long distances, it has been used for signal interconnections in communication systems. Moreover, its accuracy has made this relay suitable for position control of the motor, thereby making it the perfect choice for continuous monitoring and control systems. The AQW212EH is now used in many areas such as industrial automation, communications, and robotics. Its temperature measurement and alarm output functions have enabled it to be used in applications such as temperature-controlled ovens, furnaces, and ventilation systems. Its ability to track and monitor temperatures and activate alarms make it an important feature in such applications.

Working Principle of the AQW212EH

At the heart of the AQW212EH sits an opto-isolator, a device that sends and receives electronic signals without direct metallic contact. This isolator is composed of a LED diode and a phototransistor, which blocks any external electromagnetic interference. The LED is housed inside a plated box which blocks any shock to the LED diode and its phototransistor.When an input voltage is applied to the AQW212EH, the LED emits a light signal that turns the phototransistor ON, allowing current to flow through it. When the voltage is removed, the phototransistor turns off, blocking current flow. This is the basic principle behind the AQW212EH\'s operation.

Conclusion

The AQW212EH is an innovative and reliable solid state relay that has been used in a range of applications due to its ability to accurately sequence and control systems, as well as its strong signal transmission capacity and temperature monitoring capabilities. It fits more easily into systems than ordinary mechanical relays and offers long life cycles of up to 100 million operations, making it a key choice for industrial automation, communications, and robotics.

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