AQV251AZ Relays

Series:	PhotoMOS™ AQV
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 40V
Load Current:	500mA
On-State Resistance (Max):	1 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 are commonly used for switching control in various industries. They are reliable and provide precise control of load currents and voltages, and have the advantages of high precision, fast switching speed, no spark, low temperature rise and high long-term stability. The AQV251AZ series solid state relays are a new product launched by ATLINKS. Let\'s take a look at the application field and the working principle of this product. Application FieldThe AQV251AZ series solid state relays are mainly used in control systems such as PLC, light control and temperature control, as well as switching control in automation control. In the industrial control environment, single control, spatial control and special system control require the fast and precise response of the relay control, so the use of the AQV251AZ series can fully meet the above-mentioned requirements. Furthermore, it can also be used in high-power load switching applications such as air conditioning, refrigeration, pumps, lighting and motor control.Working PrincipleThe AQV251AZ series solid state relay uses an opto-coupler to isolate the control signal from the output signal, which can reduce the influence of external interference, so that the system can achieve reliable switching control. The important components of AQV251AZ are zero crossing detection switches, optocouplers, transistors, thyristors, drive ICs, resistors and capacitors. When the control signal is applied to the optocoupler, the terminals of the transistor or thyristor are connected, and the load current can flow through. When the control signal disappears, the terminals of the transistor or thyristor will disconnect, the load current is cut off, and the AQV251AZ is in the off state.AdvantagesThe AQV251AZ series relays have a rated power of up to 250A, and the control current and minimum on-off time are 5mA and 0.5ms respectively, which can save energy and reduce losses. It is also equipped with a built-in zero crossing detection circuit, which can accurately control the circuit, making the output voltage and current remain stable even when there are rapid fluctuations. In addition, this series also uses a four-level protection that can effectively reduce and absorb external interference from dust and acid rain, while ensuring reliable long-term operation.ConclusionThe AQV251AZ series solid state relays can be used in many industries for applications requiring fast and accurate switching control, such as PLC, automation control and lighting control. It has a high power rating of up to 250A, a low control current of 5mAh, and a fast response time of 0.5ms. It is also equipped with zero-crossing detection and four-level protection, which further enhance its reliability.

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Part Number	Manufacturer	Price	Quantity	Description