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 700 V 1 A Surface Mount SOT-223
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Thyristor Surge Protection Devices - TSPD SEP ETHERNET 100A BIASED PROTECTN DEV
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Littelfuse SCRs Sen SCR 400V .8A 200uA
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Thyristor Surge Protection Devices - TSPD 30A 320V
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Diodes Incorporated 1474
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Thyristor Surge Protection Devices - TSPD 6V 2.5kA Bi-Dir
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SCRs 600V 40A 15mA TO263 High Temp 150c SCRs
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Weida Semiconductor 1469
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TRIAC Logic - Sensitive Gate 600 V 1 A Through Hole TO-92
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Thyristor Surge Protection Devices (TSPD) 400V 500A SIDACtor DO-214AA
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