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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BT138X-600.127


Triac; 600V; 12A; 35/70mA; THT; sensitive gate; 4Q; tube; TO220FP
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WeEn Semiconductor 1195
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AUD 0.794
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S4004VS2TP


Littelfuse SCRs 4A 200uA 400V Sensing
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Littelfuse 1194
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AUD 0.9586
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Z0107NN,135


SOT-223-4 TRIACs ROHS
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WeEn Semiconductor 1191
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AUD 0.187
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BTA41


50mA 800V 1 TO-3P TRIACs ROHS
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Weida Semiconductor 1190
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AUD 0.9878
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S8012DRP


Littelfuse SCRs 12A 1000V
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Littelfuse 1185
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AUD 1.4551
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BT258-600R,127


TO-220 TRIACs ROHS
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WeEn Semiconductor 1184
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AUD 0.538
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97A8


Two-way thyristor TO-92-2.54mm TRIACs ROHS
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JieJie 1183
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AUD 0.0758
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T410-800T


Triacs 4A Triacs
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STMicroelectronics 1175
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AUD 0.4526
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BT151-650


Thyristor; 650V; 7.5A; 12A; 15mA; Package: bulk; THT; TO220
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CDIL 1163
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AUD 0.496
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P0080SA


SMA Thyristor Surge Suppressors (TSS) ROHS
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Yongyutai Electronics 824
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AUD 0.0349
Multiples of: 10

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