AQV251AX

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Solid State Relays (SSRs) provide a practical and reliable means of controlling power to a wide variety of loads. AQV251AX is a typical 3-terminal single-pole AC output SSR for the control of resistive, inductive, and capacitive loads up to 300W. It offers fast response time of 2.0ms maximum and features surge current up to 5A peak transient current. This makes the AQV251AX a great choice for applications in the Industrial Automation, Medical and Automotive markets.

The AQV251AX features zero-cross operation, in which the output voltage changes from ignition to extinction at the moment of saturation of the electronic switch. This is important in applications which require precise control of time, such as temperature and pressure processing. The AQV251AX also incorporates internal absorption resistors and a harmonic suppression filter, which provide additional electrical protection when connecting relays in series.

The AQV251AX works on the principle of solid state switching, which uses a semiconductor switch such as a MOSFET or transistor. When the control input voltage is above a predetermined value, the semiconductor switch is activated and the AC power to the load is turned on. Conversely, when the control signal drops below the predetermined value, the MOSFET or transistor switch is turned off and the power to the load is interrupted.

The AQV251AX is a great choice for switching applications that require a durable and reliable solution. The AQV251AX has a long MTBF (mean time between failures) of millions of hours due to the strong robust plastic case which can take temperatures up to 125°C. This makes it ideal for operation in harsh environments such as outdoors or in high temperatures.

As with all SSRs, the AQV251AX has several advantages over traditional electromechanical relays. SSRs are much more reliable, as they require minimal maintenance and don’t suffer from electrical arcing or contact erosion as electromechanical relays do. Additionally, they are much more responsive, switching times can be as fast as 5µs, versus several milliseconds for traditional relays. This makes them perfect for applications requiring precise timing control.

Overall, the AQV251AX is a versatile and reliable solution for all types of industrial automation, medical and automotive applications. It provides fast switching speeds, robust construction, long life, and excellent protection against overcurrent and transients. Its range of operating temperatures also make it suitable for harsher environments. If you’re looking for a reliable and durable solution for switch control applications, the AQV251AX is a great choice.

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