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 60V 25A 50mA HI TEMP TO-263 (D2 -Pak)
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Triac 25A 800V Isolated TO-220AB
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Thyristor Surge Protection Devices - TSPD 250V 30A Unidirect
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Triacs Overvoltage Protect 3 AC Switch Array
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Triacs 16A Logic Level Triac for LED Light Dimmers
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Littelfuse SCRs 20A 1000V
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TRIAC Logic - Sensitive Gate 600 V 8 A Through Hole TO-251 (V-Pak/I-Pak)
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SCRs 100V 25A
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Triacs 8A 800V Alt Triacs TO-252 D-PAK
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