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 8A 35mA 800V IGT 3 QUAD INTERNL ISLTD
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Triac; 1.2kV; 25A; 150mA; THT; alternistor, high voltage; tube; TOP3
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TRIAC Alternistor - Snubberless 600 V 6 A Through Hole TO-220 Isolated Tab
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Littelfuse SCRs 4A 200uA 400V Sensing
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120V~138V 10uA SMB(DO-214AA) Diacs Trigger Diode ROHS
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25V 40mA 6V 5uA SMB Thyristor Surge Suppressors (TSS) ROHS
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Triacs THYR AND TRIACS
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NXP 536
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