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 400V 0.8A 8.0V Through-Hole SCR
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Central Semiconductor 2205
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SCRs 35A If; 1600V Vr TO-247AD 3L
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Vishay 2202
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Triacs 4 A Triac
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STMicroelectronics 2193
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77V 120mA 58V 5uA SMB Thyristor Surge Suppressors (TSS) ROHS
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SCRs 0.8 Amp 600 Volt
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STMicroelectronics 2191
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Littelfuse 2186
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SCRs 600V 6A 15mA TO251 High Temp 150c SCRs
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Littelfuse 2182
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Triac; 600V; 4A; 5mA; THT; logic level; tube; TO220AB
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STMicroelectronics 2182
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STMicroelectronics Triacs Trisil Telecom SMB 100A 72V to 310V
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Kang Yang 244
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