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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TRIAC Logic - Sensitive Gate 400 V 800 mA Surface Mount SOT-223
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Triacs ISO TO220 16A 10MA TRIAC
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Triacs BTA425Z-800CT/II TO3P/STANDARD MARKING * HORIZONTAL, RAIL PACK
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Q4008L4TP


TRIAC Standard 400 V 8 A Through Hole TO-220
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Littelfuse 532
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QJ6016LH6TP


Triacs 60V 16A 80mA HI TEMP TO-220AB Isolated
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MCR12DG


SCRs 400V 12A
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BT137B-800.118


Triac; 800V; 8A; 35/70mA; SMD; sensitive gate; 4Q; Reel, tape; D2PAK
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