AQW410S

Series:	PhotoMOS™ AQW
Packaging:	Tube
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NC (1 Form B) x 2
Output Type:	AC, DC
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 350V
Load Current:	100mA
On-State Resistance (Max):	50 Ohms
Termination Style:	Gull Wing
Package / Case:	8-SOP (0.228", 5.80mm Width)
Supplier Device Package:	8-SOP

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Introduction

Solid state relays (SSR) are a type of electrical switches that have no moving parts and can be used to control electrical loads with minimal power losses. The AQW410S is a type of SSR that uses a bi-directional thyristor to control the load current. This particular SSR features a separate control circuit that can be powered from 3V - 32V and the load voltage from 24V - 400V, allowing for high levels of flexibility in applications.

Application Fields

The AQW410S is typically used in industrial processes that require precise control of the load current. Common uses of the AQW410S include electrical drives, motor control circuits, light dimmers, home automation systems and LED lighting. In some instances, the AQW410S can also be used in conjunction with other devices such as timers and proximity sensors, providing additional levels of control over the load.

Working Principle

The working principle behind the AQW410S is based on a bi-directional thyristor. As its name suggests, a thyristor is a type of semi-conductor switch that can be used to switch on or off an electrical load as the need arises. The thyristor in the AQW410S features two anodes—one at the top and the other at the bottom. When the thyristor is triggered, the current starts to flow through the anodes and subsequently through the load. The AQW410S features a separate control circuit, which comes into operation when external voltage is applied. When the external voltage reaches the set point, the control circuit triggers the thyristor, which switches on the load. Conversely, when the external voltage falls below the set point, the thyristor is switched off and the load is turned off. This cycle is repeated as long as external voltage is applied to the control circuit.

Conclusion

The AQW410S is a solid state relay that can be used in a variety of applications, including electrical drives, motor control circuits, light dimmers, home automation systems and LED lighting. It features a bi-directional thyristor, which is triggered when external voltage reaches the set point. The AQW410S is a versatile device that can provide precise control of the load current with minimal power losses.

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