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 SCRs
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STMicroelectronics Triacs 2A 700V AC Power Sw
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STMicroelectronics 1950
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TO-252-4R TRIACs ROHS
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Weida Semiconductor 1943
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BT169EG-T92-B


Thyristors - TRIACs TO-92 RoHS
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Unisonic 1940
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EC103D3RP


Littelfuse SCRs 400V .8A 500uA
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Littelfuse 1940
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Z00607MN 5AA4


STMicroelectronics Triacs
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STMicroelectronics 1940
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X0205MA 2BL2


SCRs 1.25A SCRS
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STMicroelectronics 1940
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T1235T-8G-TR


Triacs DFD THYR TRIAC & RECTIFIER
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STMicroelectronics 1940
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JSMSEMI 1425
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SCRs 0.8A SCRS
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