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 Sen SCR 600V 8A 200hA TO252
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Littelfuse 378
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TRIAC Standard 600 V 12 A Through Hole TO-220AB
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ON Semiconductor 376
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Triacs 60V 25A 80mA HI TEMP TO-220AB Isolated
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Littelfuse 375
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AUD 3.6103
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BT151S-650L.118


Thyristor; 650V; 7.5A; 12A; 5mA; Package: Reel, tape; SMD; DPAK
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WeEn Semiconductor 372
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AUD 0.598
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Q4012NH5RP


TRIAC Alternistor - Snubberless 400 V 12 A Surface Mount TO-263 (D2Pak)
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Littelfuse 372
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AUD 2.53
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BT258S-800R,118


SCRs TAPE13 THY-GP
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NXP 371
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K2401G


Sidacs MP SIDAC 240V DO15
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Littelfuse 371
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MAC97A6


SOT-23-3L Thyristors (SCR)/Modules ROHS
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YFW Electronics 368
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BT152X-800R.127


Thyristor; 800V; 13A; 20A; 3mA; Package: tube; THT; TO220FP
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TYN408GRG


SCRs 8.0 Amp 400 Volt
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STMicroelectronics 249
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