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Thyristors - TRIACs

Thyristors are devices that are essentially a combination of two diodes that are connected to form a single P-N junction. Thyristor devices, from the family of Thyristors, include Switching Thyristors, TRIACs and DIACs-ons. BTA30-600CW3G is one of the types of TRIACs.

Application Field of BTA30-600CW3G

BTA30-600CW3G is a 3 amp Silicon Thyristor in all three quadrants, meaning it can be activated 3 amps in either of the three directions of current flow. This particular thyristor is part of the Eupec family and has a 600v maximum voltage rating. BTA30-600CW3G is used primarily in low-power AC switches and DC motor controls. It can also be used as part of an AC stage-lighting dimmer, such as a Venue’s dimmers for spotlights or floodlights.

Working Principle of BTA30-600CW3G

The BTA30-600CW3G is a thyristor at work. A thyristor is a digital switch which is used to switch the current flow in one direction. Its digital operation allows it to be triggered by an external control signal, such as a logic control signal, input voltage, etc. The current flow in a thyristor is controlled by the gate current flowing through the gate terminal. When the gate voltage is above the minimum threshold, the gate current is strong enough to turn on the thyristor. This causes the thyristor to become conductive and permitting current flow. The current will remain flow until the thyristor is reversed biased or the current drops below the holding current.

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