ACTT8B-800C0J

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Thyristors are a three-terminal, solid-state semiconductor device used for controlling the flow of current in a circuit. They were invented in the 1950s as an alternative to vacuum tubes, and are today one of the most common electronic components in use. The two main types of thyristors are TRIACs and SCRs (Silicon-Controlled Rectifiers). In this article, we take a closer look at the ACTT8B-800C0J TRIAC and its applications and working principle.

ACTT8B-800C0J Application and Working Principle

The ACTT8B-800C0J is an 800V, 0.8A TRIAC that features sensitive gate control and high surge capability. It is available in TO-3PN and TO-220 package, making it suitable for a variety of applications, such as lighting and motor control, power switching, and AC switching.

The working principle of TRIACs, like the ACTT8B-800C0J, is that it acts as a switch, allowing current to flow in one direction only when the gate is triggered. The device is composed of two transistors joined by a common anode and a common gate. When the gate is triggered, current begins to flow across the two transistors, and the device is said to be "on". When the trigger is absent, the device remains off and no current can flow.

The device can be triggered at any point in the AC cycle, allowing it to be used in applications such as dimming and control of household devices, motor speed control, and switching of AC power. When used in dimming applications, TRIACs like the ACTT8B-800C0J can be used to vary the level of light output from an incandescent lamp by controlling the amount of current passing through the device.

The ACTT8B-800C0J also features a sensitive gate control, which means that it can be triggered using much lower voltages than conventional TRIACs. This makes it ideal for applications where low-voltage control is needed, such as in motor speed control, dimming, and AC power switching.

Conclusion

The ACTT8B-800C0J is a versatile TRIAC that is well-suited for use in a variety of applications, such as lighting and motor control, power switching, and AC switching. It offers sensitive gate control and high surge capability, making it a reliable and efficient device for a wide range of applications. With its low-voltage triggering and AC control capabilities, the ACTT8B-800C0J is a great choice for anyone looking for a reliable and cost-effective switching solution.

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