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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BT139X-600.127


Triac; 600V; 16A; 70mA; SOT186A
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NXP 848
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AUD 0.882
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BT139X-600.127


Triac; 600V; 16A; 35/70mA; THT; sensitive gate; 4Q; tube; TO220FP
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WeEn Semiconductor 848
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AUD 0.88
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BTA425Y-800CTQ


Triacs 3Q Hi-Com Triac
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WeEn Semiconductor 848
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AUD 2.3903
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BT131-600D,412


Triacs 600V 1A
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WeEn Semiconductor 846
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AUD 0.182
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SJ6016R1TP


SCRs 16A High Temp Thyristor
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Littelfuse 846
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AUD 2.2397
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Q4004L3TP


TRIAC Logic - Sensitive Gate 400 V 4 A Through Hole TO-220 Isolated Tab
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Littelfuse 844
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AUD 1.6446
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BT134W-800D


SOT-223 Thyristors (SCR)/Modules ROHS
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YFW Electronics 843
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AUD 0.1323
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LX803DE


Littelfuse Triacs 0.8A Sensitive Triacs
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Littelfuse 841
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AUD 0.319
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BTA12-800CWRG(UMW)


TO-220A TRIACs ROHS
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Youtai 834
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AUD 0.3043
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Q4015LTTP


TRIAC Internally Triggered 400 V 15 A Through Hole TO-220AB-L
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Littelfuse 770
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AUD 2.5929
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