Thyristors

A thyristor is a type of semiconductor device that acts like a switch, allowing energy to flow in one direction only. It is a three-terminal electronic device composed of four layers of alternating P-type and N-type material that can operate in four different states: off, forward blocking, reverse blocking, and forward conducting. In its off state, the thyristor does not conduct current; in its forward blocking state, it allows current to flow in the forward direction only; in its reverse blocking state, it allows current to flow in the reverse direction only; and in its forward conducting state, it allows current to flow in either the forward or reverse direction. Thyristors can be used in many applications such as power control, over-current protection, motor speed control, and lighting dimmers.
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Triacs 4 A Triac
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Thyristor Surge Protection Devices - TSPD TSS DO-214AA 6V 50mA Co 100pF
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SCRs 400V 0.8A 8.0V Through-Hole SCR
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TRIAC Alternistor - Snubberless 600 V 8 A Surface Mount TO-252, (D-Pak)
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Littelfuse 2283
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SCRs 600V 4A
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Thyristor Surge Protection Devices (TSPD) 500A 190V
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Triacs THY 4A 800V TRIAC
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