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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SCRs 20A If; 1200V Vr TO-247AD 3L
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Vishay 12561
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ON Semiconductor 12304
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NXP Semiconductors Triacs AMO THYR & TRIACS
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Triacs BTA330B-800BTTO263REEL 13 " Q1T1 *STANDARD MARK SMD
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WeEn Semiconductor 11998
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L4X3


Triacs 400V .8A Sensing 5-5-5-5mA
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Littelfuse 11979
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MAC08BT1G


TRIAC Logic - Sensitive Gate 200 V 800 mA Surface Mount SOT-223
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ON Semiconductor 11860
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Sidacs Sidac 240V HI ENERGY
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NXP 11285
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TN1215-600G-TR


Thyristor; 600V; 8A; 12A; 15mA; Package: Reel, tape; SMD; D2PAK
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BTB16-600BWRG


Triac; 600V; 16A; 50mA; THT; Snubberless™; tube; TO220AB
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