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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ON Semiconductor SCRs SENSITIVE GATE SCR
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ON Semiconductor 3696
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MAC4DLM-1G


ON Semiconductor Triacs THY 4A 600V TRIAC
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ON Semiconductor 3683
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S4S2RP


Littelfuse SCRs Sensing
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Littelfuse 3673
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AUD 0.9381
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Hot TISP61089BDR-S


SCRs Dual P Gate Forward Conducting
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Bourns 3670
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AUD 0.5558
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2N6071AG


Triacs THY 4A 200V TRIAC
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Littelfuse 3670
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AUD 0.6429
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ACT108W-600D,135


Triacs AC THYRISTOR PWR SW
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WeEn Semiconductor 3661
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AUD 0.34
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MAC8SNG


TRIAC Logic - Sensitive Gate 800 V 8 A Through Hole TO-220AB
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ON Semiconductor 3641
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AUD 1.1503
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BTA312B-800E,118


NXP Semiconductors Triacs Thyristor TRIAC 800V 105A 3-Pin (2Tab)
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NXP 3634
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AUD 0.7967
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MCR100-8


60uA 600V SOT-23 Thyristors (SCR)/Modules ROHS
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TECH PUBLIC 116
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AUD 0.0285
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P0080TAL


DO-214AC Thyristor Surge Suppressors (TSS) ROHS
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Yint 19
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AUD 0.0444
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