AQV224NAX

Series:	PhotoMOS™ AQV
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC (RF)
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 400V
Load Current:	50mA
On-State Resistance (Max):	100 Ohms
Termination Style:	Gull Wing
Package / Case:	6-SMD (0.300", 7.62mm)
Supplier Device Package:	6-SMD

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Solid State Relays

Solid state relays (SSRs) are types of relays which use transistors, instead of electromechanical contacts, to switch electrical circuits. Among the different models of SSRs, one of the most commonly used today is the AQV224NAX. This article will discuss the application fields and workings of this relay. AQV224NAX is a zero-crossing type SSR, having a very simple construction. It comprises of a control circuit, a main semiconductor, an electromechanical resistor, and a protection diode. The control circuit has an input stage which receives the signal input from the control circuit. It then applies this signal to the main semiconductor, or Thyristor, which is the core switching element. This is then connected to the electromechanical resistor in order to provide a current path for the control circuit.The AQV224NAX is typically used in solid-state switching of low power AC loads. It is particularly suited to applications where instantaneous switching of a low capacitance load is required. These include application such as in monitoring systems, sensors, motor control, heavy duty starters, and dynamic braking systems. It is also commonly employed in industrial automation, including cleanroom applications.In addition, the AQV224NAX is suitable for switching low power resistive and inductive loads, and operates over a wide range of temperatures. Its high switching capacity further allows it to be used in circuits with voltages ranging from 240-480 volts AC. It is also a very safe device, because it has a built-in protection against overloading and short circuits.The working principle of the AQV224NAX is based on the principle of zero-crossing detection. This means that the Thyristor will only turn on or off when the voltage across its terminals has crossed the zero voltage line. This helps to avoid a sudden surge of current, which could be dangerous to any connected devices. This also significantly increases the life of the relay by reducing arcing and sparking at the contacts.In conclusion, the AQV224NAX is a type of solid state relay with a wide application range and efficient working principle. It is suitable for use in a variety of industrial and commercial applications, and its high switching capacity allows it to be used in circuits with voltage up to 480 volts AC. It is also very safe and long-lasting due to its built-in protection and zero-crossing detection feature.

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