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 RAIL TRIAC
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SCRs 16A If; 1600V Vr TO-263AB (D2PAK)
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Vishay 4683
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Littelfuse Sidacs 80V DO-214AC 2L
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Littelfuse 4675
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BT152X-800R,127


NXP Semiconductors SCRs RAIL SCR
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Triacs Triacs
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Littelfuse 4656
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BTA41-700BRG


Triac; 700V; 41A; 50mA; THT; tube; TOP3
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STMicroelectronics 4656
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Littelfuse Sidacs 80V DO-15
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WeEn Semiconductor 4626
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77V 120mA 58V 5uA SMB Thyristor Surge Suppressors (TSS) ROHS
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PAKER Microelectronics 4612
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TISP4011H1BJR-S


Thyristor Surge Protection Devices - TSPD Very Low Volt Bidirectional
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Bourns 4443
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