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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BT137-800E


1W 8A 84A Two-way thyristor TO-263 TRIACs ROHS
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Kang Yang 3356
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AUD 0.1894
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MCR100-8


TO-92-3 TRIACs ROHS
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Kang Yang 1037
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AUD 0.0386
Multiples of: 10

TYN30Y-800TQ


SCRs TYN30Y-800TIITO220STANDARD MARKING * HORIZONTAL RAIL PACK
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WeEn Semiconductor 1034
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AUD 0.9507
Multiples of: 1

MCR218-4G


SCRs 200V 8A
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ON Semiconductor 1030
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AUD 1.0717
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SK230RTP


SCRs 30 Amp Standard SCR - TO-220AB
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Littelfuse 1027
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AUD 3.52
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EC103D2RP


Littelfuse SCRs 400V .8A 50uA
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Littelfuse 1020
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AUD 0.3651
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L4004D3TP


Triacs 400V 4A Sensing 3-3-3-3mA
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Littelfuse 1018
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AUD 0.9535
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S4008DS2RP


Littelfuse SCRs 8A 200uA 400V Sensing
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Littelfuse 937
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AUD 1.0591
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MCR708AG


SCRs 600V 4A
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ON Semiconductor 920
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AUD 0.5924
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BT151-650R,127


BT151-650R/SIL3P/STANDARD MARK
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WeEn Semiconductor 897
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AUD 0.7203
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