AQY210EHA

Series:	PhotoMOS™ AQY
Packaging:	Tube
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 350V
Load Current:	130mA
On-State Resistance (Max):	25 Ohms
Termination Style:	Gull Wing
Package / Case:	4-SMD (0.300", 7.62mm)
Supplier Device Package:	4-SMD

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Solid State Relays

Solid state relays (SSR) are semiconductor devices that switch electrical circuits without the use of mechanical parts. They are used to control the flow of electricity between two points and can replace old-style electromechanical relays that used coils of wire to operate switches and contacts. SSRs are more reliable than the electromechanical relays because they don\'t have any mechanical parts and can switch faster, and quieter than their mechanical counterparts.The AQY210EHA is a solid state relay with a load capacity of 10A at zero to 600 VAC. It has a fast turn-on rate and a short turn-off delay, as well as excellent load performance. The relay has a housing designed for direct mounting on a heat sink or a mounting bracket. The AQY210EHA is a single-phase SSR designed for industrial and commercial applications.

AQY210EHA Application Field and Working Principle

The AQY210EHA solid state relay is mainly used for the control of AC loads. It is mainly used for the control of single-phase AC loads such as resistive heaters, motors, solenoid valves, small non-inductive loads, and thermoelectric actuators. It can also be used in applications such as inrush current attenuation.The AQY210EHA solid state relay utilizes a zero-crossing circuit to ensure that the AC load is switched on and off at zero crossover points. This prevents switching off the power too soon or too late, which could result in shock or equipment damage. The SSR also has a radio frequency interference filter to ensure that it is not affected by high frequency signals, and it has LED indicators that indicate when the relay is on or off.The AQY210EHA solid state relay is controlled by a DC voltage which triggers the MOSFET (Metal Oxide Semiconductor Field Effect Transistor). The DC voltage activates the gate of the MOSFET, allowing it to conduct electricity, and thus switching the AC load on and off. The MOSFET also has a diode bridge which inverts the current flow when the relay is turned off, preventing the capacitor in the load circuit from discharging its energy into the SSR.The AQY210EHA solid state relay also features a built-in over temperature warning circuit which senses if the heat sink temperature of the SSR exceeds a certain limit. This prevents the relay from overheating and possible damage. The AQY210EHA solid state relay can be used in a wide variety of applications. It is suitable for use in general-purpose AC switching, automated process control, and industrial machinery and equipment. With its high load capacity, excellent switching reliability, and a wide range of features, the AQY210EHA is an ideal choice for any application that requires reliable and efficient AC load switching.

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