CQ92B

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Thyristors, also known as Thyristors, are an electronic device that has three terminals, with one being anode, another being cathode and the other one controlling it. The most commonly used thyristor is called the TRIAC (thyristor AC switch) which is a special type of thyristor that can handle high power currents and serve as an effective switch for AC signals. The CQ92B is a TRIAC that is used for various applications due to its high efficiency and robustness.

The CQ92B is mainly used for industrial motor speed control, LED lamps and LED dimmers, heating controls, safety systems, power supplies and other tasks such as lamp dimming in the field of automation, etc. It has a wide working voltage range, from 8V to 900V and can handle currents up to 10A. The CQ92B also has a built-in snubber network to reduce output noise and provide greater protection against surge currents. This network consists of a varistor and a capacitor connected across the load.

The CQ92B is a three-terminal electronic device that has the gate terminal as the control terminal, the anode terminal connected to the main current flow, and the cathode terminal connected to the main current return path. The gate voltage above a certain threshold is used to turn on the device, which then allows the main current to flow between the anode and cathode. When the gate voltage is removed, the device is turned off and the main current ceases. The CQ92B also features an integrated active reverse blocking diodes which prevent current from the anode to the gate and allow the gate to control the main current.

The working principle of the CQ92B TRIAC can be explained as follows. When the gate terminal receives a positive voltage, the MOSFET (Metal oxide semiconductor Field Effect Transistor) inside the device will be turned on. This will cause the N-channel MOSFET to conduct current through the main circuit. This in turn will cause the main current to flow from the anode to the cathode, allowing the device to act as a switch. When the gate voltage is removed, the device is turned off and the main current will no longer flow.

The CQ92B is a high power electronic device that has been designed for use in many different applications where reliable, accurate and safe switching is required. It is ideal for applications such as motor control, LED dimmers and other lamp dimming applications in the field of automation. It is capable of handling high power currents of up to 10A and has a wide operating voltage range from 8V to 900V.

The CQ92B is an extremely efficient device due to its built-in snubber network and active reverse blocking diodes. The network helps reduce output noise and provides greater protection against surge currents. The active reverse blocking diodes also allow the gate to control the main current. The CQ92B is an ideal choice for use in motor control and other lamp dimming applications in the field of automation.

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