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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Vishay 79
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ACST210-8B


Triacs AC Switch 2A A.S.D. 800V VDrm 10mA Igt
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STMicroelectronics 77
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BTA08-700CWRG


STMicroelectronics Triacs 8 Amp 700 Volt
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BT131-800D,412


Thyristors - TRIACs Two-way thyristor 800V TO-92(TO-92-3) RoHS
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WeEn Semiconductor 76
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BTA10-600CRG


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T1635H-6T


TRIAC Alternistor - Snubberless 600 V 16 A Through Hole TO-220
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