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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Triacs 1200V 25A Snubberless Triac
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SCRs Quad Buffered PGate Forward Conducting
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WeEn Semiconductor 10189
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Triacs 400V 1A Sensing 5-5-5-5mA
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Littelfuse 10112
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BT149G.126


Thyristor; 600V; 500mA; 0.8A; 200uA; Package: Ammo Pack; THT; TO92
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WeEn Semiconductor 9943
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MAC4DLMT4G


ON Semiconductor Triacs THY 4A 600V TRIAC
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ON Semiconductor 9680
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VS-25TTS08STRL-M3


SCRs New Input Thyristor - D2PAK-e3
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Vishay 8232
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BTA26-800CWRG


Triacs 25 Amp 800 Volt
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STMicroelectronics 7934
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Weida Semiconductor 7517
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BTA12-600TWRG


Triacs 12 Amp 600 Volt
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STMicroelectronics 246
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