AQY412EHA Relays

Series:	PhotoMOS™ AQY
Packaging:	Tube
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NC (1 Form B)
Output Type:	AC, DC
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 60V
Load Current:	550mA
On-State Resistance (Max):	2.5 Ohms
Termination Style:	Gull Wing
Package / Case:	4-SMD (0.300", 7.62mm)
Supplier Device Package:	4-SMD

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AQY412EHA Solid State Relays Application Field and Working Principle

Solid state relays are one type of device used to control current flow in an electrical circuit. For most applications, solid state relays are preferred over traditional mechanical relays due to their compact size, fast response time, and low power consumption. In particular, the AQY412EHA solid state relay is designed to switch up to 5A of current, and it is capable of handling both AC and DC loads.

Application Field of AQY412EHA Solid State Relays

The AQY412EHA solid state relays are specially designed for AC/DC load control, such as HVAC systems, temperature controllers, lighting control, remote switch boards, and motor speed controllers. It is capable of handling both AC and DC loads, allowing for quick and reliable switching. The AQY412EHA can be modified to accept both 120VAC and 240VAC inputs, making it the ideal choice for high-power applications.

Working Principle of AQY412EHA Solid State Relays

The AQY412EHA solid state relay works using a photosensitive semiconductor element called a triac. This triac responds to an input signal from an external switch or signal controller. When the input signal is low, the triac’s gate is closed, preventing the current from flowing through. When the input signal is high, the gate is opened, allowing the current to flow freely.The AQY412EHA also has integrated protection features that protect the load from power surge and overloading. The current sensing function will detect when the load exceeds the rated capacity and shut off the power, preventing damage to the device. The AQY412EHA also features a zero-crossing detection circuit, which prevents unwanted noise from damaging the load or other connected devices.Overall, the AQY412EHA solid state relay is a reliable and robust device suitable for a variety of AC and DC load applications. It is designed for quick and reliable operation, and its integrated protection features help to prevent damage to the load and other connected devices. With its wide operating range and high switching capacity, the AQY412EHA is the ideal choice for industrial load control applications.

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