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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Littelfuse SCRs SCR 400V 65A Iso
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Triac; 800V; 16A; 25mA; TO220AB
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NXP 521
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SCRs 10A 500uA 400V Sensing
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Littelfuse 516
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Triacs AC Switch 10A 700V 10 or 35 mA IGT
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STMicroelectronics 516
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SCRs 600V 12A
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ON Semiconductor 516
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Triacs Sensitive Gate
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STMicroelectronics Triacs Snubless logic level standard 12 A TRIACs
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