BTA204W-800C,135 Discrete Semiconductor Products

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Thyristors - TRIACs

A TRIAC is a three-terminal electronic component composed of a Thyristor, usually a bidirectional switch used for controlling power to a load.BTA204W-800C is a type of TRIAC. It is designed for controlling power up to 800 volts at a maximum current of 135A. This device has an anode, a gate, and a cathode. It provides a low-cost solution for switching high power applications.

Applications of BTA204W-800C

The BTA204W-800C is mainly used in high-power applications such as AC motor control and light dimming. It is also used in industrial controls, power supplies, static switching systems and lighting systems. This device is also suitable for use in applications such as pulse-width modulation, AC switching and high frequency rectification.

Working Principle of BTA204W-800C

A TRIAC consists of two SCRs connected in inverse parallel. When the anode of the device is sufficiently positive with respect to the cathode, a small current flows across the device, turning it on. The gate current is then increased until the device breaks into conduction, at which point the current continues to increase. As the voltage increases, the device transitions from break-over to the so-called "quadrant" commutation region, and finally the TRIAC latches into full conduction. When the anode voltage drops, the device automatically turns off.

Conclusion

The BTA204W-800C is a TRIAC with a maximum voltage of 800V and a maximum current of 135A. It is used in high-power applications such as AC motor control and light dimming, as well as in industrial controls, power supplies, static switching systems and lighting systems. The TRIAC works by turning on when the anode is sufficiently positive with respect to the cathode. When the voltage increases, the device transitions from break-over to the so-called "quadrant" commutation region, and finally the TRIAC latches into full conduction.

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