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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TN1215-600H


STMicroelectronics SCRs 12 Amp 600 Volt
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Q4008LH4


TRIAC Alternistor - Snubberless 400 V 8 A Through Hole TO-220 Isolated Tab
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Triac; 600V; 10A; 10mA; THT; bulk; TO220-3
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BT137X-800.127


Triac; 800V; 8A; 35/70mA; THT; sensitive gate; 4Q; tube; TO220FP
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RS1608E-CW


TO-263AB TRIACs ROHS
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BCR5LM-12LB#B00


Renesas Electronics
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SCRs S6N1RP
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BTA316-600D,127


Triacs RAIL-THYR AND TRIACS
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TO-220AB-3 TRIACs ROHS
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MKP3V240RLG


Sidacs 240V 0.9A Trigger
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