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 25A
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Sidacs 220V
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Littelfuse 133
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TO-220 TRIACs ROHS
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Littelfuse 132
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SCRs 4.0 Amp 600 Volt
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STMicroelectronics 131
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TRIAC Standard 600 V 10 A Through Hole TO-220AB
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ON Semiconductor 131
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BT138-600E,127


Thyristors - TRIACs Two-way thyristor 600V TO-220 (TO-220-3) RoHS
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Littelfuse SCRs SCR 600V 65A Iso
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Weida Semiconductor 126
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YFW Electronics 126
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Littelfuse Triacs 600V 16A 20-20-20mA
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