Q4004F311

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Thyristors - TRIACs

Thyristors, also known as silicon controlled rectifiers (SCRs) are three-terminal semiconductor devices that efficiently control the flow of current or voltage levels. TRIACs are bidirectionalthyristors suitable for used as switches in AC circuits. TRIACs are mainly used to control the voltage and current levels in different AC applications.

Q4004F311 Application Field and Working Principle

The Q4004F311 is a TRIAC manufactured by Stroller Electric Co., Ltd which has a wide range of applications in AC control applications such as motor control, lamp dimming, heater control, inverter AC power control, etc. The device is a four-pin, three-terminal device and has an on-state voltage of 400V and a current rating of 4A.. This device is suitable for both resistive and inductive loads.

In a typical TRIAC application, the TRIAC\'s main terminals are connected to the AC power source. The third or control terminal is called the Gate and is responsible for triggering and controlling the current flow through the TRIAC. When the Gate voltage is below a certain threshold, called the Gate threshold voltage or GTV, the TRIAC is off and no current flows through it. When the Gate voltage is above the GTV, the TRIAC is turned on and current begins to flow. The Gate current also has to be controlled in order to prevent any damage to the TRIAC.

The TRIAC can be used both in AC and DC circuits in a variety of applications. It can be used to control the current and voltage levels in AC systems, as a switch in DC circuits, as an AC chopper, as an AC dimmer, for motor speed control and power switching, for inductive loads, etc. The Q4004F311 is a very stable device and is suitable for use in AC circuits. It has a very good switching speed and provides reliable performance even in high voltage and current environments.

The Q4004F311 is a very versatile device that is suitable for all types of AC control applications. It is reliable and efficient, and provides a cost-effective solution for a wide range of AC control applications. It is an ideal device for controlling a wide range of AC power levels, from very low to very high levels. It has a wide range of applications in motor control, lamp dimming, heater control, inverter AC power control, etc.

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