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 8A 600V Sensing
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TO-252 TRIACs ROHS
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BT134W-800.115


Triac; 800V; 1A; 35/70mA; SMD; sensitive gate; 4Q; Reel, tape; SOT223
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P0901SALRP


Thyristor Surge Protection Devices - TSPD 500A 75V
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BTA204S-1000C,118


TRIAC Diode 1000V 4A(RMS) 27A 3-Pin(2+Tab) DPAK T/R
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BTA425Z-800CTQ


Triacs BTA425Z-800CT/II TO3P/STANDARD MARKING * HORIZONTAL, RAIL PACK
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SK230NRP


SCRs 30 Amp Standard SCR - TO-263
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Triacs 600V 12A
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BT139B-600,118


Thyristors - TRIACs Two-way thyristor 600V TO-263-3 RoHS
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