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 400V 6A Sensing 10-10-10-20mA
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Triacs 800V 10A 50-50-50mA
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Triacs 40V 25A 80mA HI TEMP TO-218X Isolated
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Triacs 600V 6A 35-35-35mA
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Littelfuse 479
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Q4025L6TP


Littelfuse Triacs 400V 25A ALTNSTR ISO 80-80-80 mA TO220
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HQ6025KH5TP


TRIAC Alternistor - Snubberless 600 V 25 A Through Hole TO-218 Isolated Tab
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TO-220A TRIACs ROHS
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TS110-7UF


STMicroelectronics SCRs 700V High Surge 1.25A SCR 100uA
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STMicroelectronics 475
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T405-600T


Triac; 600V; 4A; 5mA; THT; logic level; tube; TO220AB
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JSMSEMI 465
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