Series:	PhotoMOS™ AQS
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A) x 4
Output Type:	AC, DC (RF)
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 80V
Load Current:	70mA
On-State Resistance (Max):	15 Ohms
Termination Style:	Gull Wing
Package / Case:	16-SOIC (0.173", 4.40mm Width)
Supplier Device Package:	16-SOP

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AQS225R2SX ― Solid State Relays Application Field and Working Principle

Solid state relays (SSR) are switches that use electrical signals to activate an internal circuit rather than using physical contact between the switch contacts. They can be used to replace electromechanical relays in many control applications. The AQS225R2SX is an advanced solid state relay that is designed for use in high-speed, high-power switching applications. It combines low resistance contacts and high power handling capacity in order to provide a reliable and cost-effective solution for switching a wide array of electrical loads. This article will provide an overview of the application field and working principle of the AQS225R2SX.

Application Field

The AQS225R2SX is suitable for a variety of applications, ranging from motor control to high-speed switch interfacing. It is capable of accurately controlling the switching times down to the millisecond level, as well as providing an overload protection and cable current leakage protection. Additionally, it is designed for controlling switching currents up to 50A, so it can be used to switch a variety of loads such as motors, heaters, lighting, and solenoid valves.

Working Principle

The AQS225R2SX utilizes a solid state semiconductor switch which is controlled by an external voltage or current input. When the switching input is changed, the internal circuit of the switch is activated, allowing a signal to be sent to a controlled load. This switch is then triggered by the supply voltage, which causes the switch to turn on or off depending on the desired state. The internal circuit of the switch is composed of a trigger terminal, a base terminal, and collector terminals, each of which operate at specific voltages in order to activate the switch.

Conclusion

The AQS225R2SX offers reliable and cost-effective switching of high loads. Its wide application field and ease of operation make it an ideal choice for a variety of control applications. It is capable of operating at high speeds and controlling switching times to the millisecond level, and provides protection against overloads and cable current leakage. In summary, the AQS225R2SX is an effective and reliable solid state relay that can be used in a wide range of industrial and commercial applications.

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