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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STMicroelectronics Triacs Snubless logic level standard 12 A TRIACs
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Thyristor Surge Protection Devices - TSPD 58/116V 50A TO220A SIDACtor SYM 2Chp
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Triacs 400V 25A
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Triacs 3 QUADRANT TRIAC
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IXYS SCRs 19 Amps 1200V
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MAC12HCNG


ON Semiconductor Triacs THY 12A 800V TRIAC
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TRIAC Standard 400 V 15 A Through Hole TO-220 Isolated Tab
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TO-220AB TRIACs ROHS
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BT139-600E.127


Thyristors - TRIACs Two-way thyristor 600V TO-220AB RoHS
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SCRs 600V 16A Sensing
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