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-800,127


Triacs RAIL TRIAC
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NXP 1390
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AUD 0.6321
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K2000SRP


Diac/Sidac Thyristor 190 ~ 215V DO-214
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Littelfuse 1387
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AUD 0.2936
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BT137S-600F,118


Triacs TAPE13 TRIAC
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WeEn Semiconductor 1382
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AUD 0.6434
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S4X8ES2


Littelfuse SCRs Sen SCR 400V .8A 50uA
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Littelfuse 1367
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AUD 0.3771
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P0901SALRP


Thyristor Surge Protection Devices - TSPD 500A 75V
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Littelfuse 1364
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AUD 0.7717
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P1100SDLRP


Thyristor Surge Protection Devices - TSPD 1000A 90V
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Littelfuse 1355
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AUD 1.1144
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BT139-600,127


Triacs RAIL TRIAC
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NXP 1351
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AUD 0.6356
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K2400SRP


Littelfuse Sidacs 240V
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Littelfuse 1348
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AUD 0.9511
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SMP2600SCMC


Triacs Trisil for telecom eqmnt protection
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STMicroelectronics 1347
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AUD 0.763
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BT1308W-600D.115


Triac; 600V; 9A; 5/7mA; SMD; sensitive gate; 4Q; Reel, tape; SOT223
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WeEn Semiconductor 1346
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AUD 0.3
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