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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STMicroelectronics SCRs 25A SCRS
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TO-220AB-3 TRIACs ROHS
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Triacs 16A 25mA STD Triac 2500 Vrms RoHS
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TO-220AB-3 TRIACs ROHS
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VS-25TTS12FP-M3


SCRs 16A 1200V Single SCR
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Vishay 871
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BT132G-800D


TO-92 Thyristors (SCR)/Modules ROHS
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BT136-600.127


Triac; 600V; 4A; 35/70mA; THT; sensitive gate; 4Q; tube; TO220AB
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TN2015H-6I


SCRs 20 A 600 V High Temperature SCR in TO-220I
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SCRs 1200 Volt 75 Amp
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Vishay 853
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T1635H-6I


Triacs Hi temp 16A Triacs
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STMicroelectronics 252
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