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 6A 500uA 400V
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Triacs 1A 700V AC Line Sw
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TYN840RG


Thyristor; 800V; 25A; 40A; 35mA; Package: tube; THT; TO220AB
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SCRs 50A If; 1200V Vr TO-247AD 3L
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Vishay 673
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BTA212B-800E,118


Triacs THYR AND TRIACS
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WeEn Semiconductor 672
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K1200G


DO-15 Diacs Trigger Diode ROHS
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SCRs Single SCR Alt VS-30TPS12-M3
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Littelfuse Triacs Altnstr 400V 25A Iso 80-80-80 mA
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Littelfuse 668
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Littelfuse 667
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