AQF2AD1-3/28VDC

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Solid State Relays (SSRs) are a type of switching device used to control electrical power. They provide a wide variety of advantages over traditional electromechanical relays, such as higher switching speed, higher reliability, lower power consumption, and higher noise immunity. The AQF2AD1-3/28VDC is a SSR with an input of 3 to 28V DC and output of 2A/250V AC. In this article, the application field and working principle of the AQF2AD1-3/28VDC will be discussed.

The AQF2AD1-3/28VDC is an ideal choice for many applications, such as high frequency signal processing, remote access, or any application requiring isolation of an electrical switch from surrounding elements. The AQF2AD1-3/28VDC can be used as a simple on/off switch or as a voltage controlled switch, depending on the application. Additionally, the device can be used in Motor Control and Temperature Control applications.

The working principle of the AQF2AD1-3/28VDC SSR is based on the “triac” process. When a controlled voltage is applied to the control gate of the triac, the conduction path between the MT1 terminal and the MT2 terminal is established. This establishes a conductive path for the power to flow. When the voltage is removed from the control gate, the conduction path between the MT1 terminal and the MT2 terminal is interrupted and the relay is OFF.

The AQF2AD1-3/28VDC SSR consists of a light emitting diode, a photo-transistor, and a solid-state switch (triac). The light emitting diode is connected to the control circuit and produces a light when power is applied to it. The photosensitive transistor senses this light and sends a signal to the triac, which switches the triac on and off. This allows for high frequency switching and a long life for the AQF2AD1-3/28VDC, because the only moving parts are the light emitting diode and the photo-transistor.

The AQF2AD1-3/28VDC SSR is a highly reliable switching device, suited for many applications. The addition of isolation provided by the photosensitive transistor allows for high signal fidelity and accurate switching of the triac. Additionally, the high frequency switching capabilities of the AQF2AD1-3/28VDC make it an ideal choice for high speed switching applications. The AQF2AD1-3/28VDC can be used in Motor Control or Temperature Control applications, remote access applications, and many more.

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