AQH1213

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Solid State Relays (SSRs) have become commonplace in today\'s industrial and commercial applications. The AQH1213 is one of the latest additions to the SSR family, offering improved features and solid state reliability. The AQH1213 is a 3-phase, four-diode switch with a low off-state voltage drop of less than 0.4 volts and a switching frequency range of 51 kHz to 10000 kHz. This combination of features makes the AQH1213 especially suitable for use in high-frequency switching; such as in motion control, induction heating and AC motor control.

The AQH1213 is a highly configurable low-profile package with multiple output toggle switches. This versatile SSR contains a control circuit, a DC/DC converter, a turn-on and turn-off MOSFETs, four diodes, and a Varistor. The on/off logic can be configured via a digital input allowing for one of three configurations: active high, active low, or bi-directional. This flexibility, along with the other features available in the AQH1213, makes it an ideal choice for many applications.

The working principle behind the AQH1213 is simple. When the control signal is applied, the DC/DC converter and MOSFETs turn on and the output voltage rises. When the control signal is removed, the DC/DC converter and MOSFETs turn off and the output voltage goes to zero. The four diodes and Varistor act to protect the AQH1213 from over-voltage and over-current. The device also features a built-in thermal protection system, ensuring that it will turn off when the temperature reaches a critical level.

The AQH1213 is a robust, reliable, and efficient SSR, ideal for a wide range of industrial and commercial applications. The improved on/off logic, low voltage drop, and high-frequency switching make it an excellent choice for motion control, induction heating, and AC motor control. With its simple working principle and wide range of features, the AQH1213 is a great addition to the family of Solid State Relays.

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