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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TMA54S-L


TRIAC Standard 400 V 5 A Through Hole TO-220F
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AUD 1.4886
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CHTA12-800


Triac 12A 800V Isolated TO-220AB High Temp.
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SK006DTP


Littelfuse SCRs 6A 1000V
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S4020L


Littelfuse SCRs 20A 400V
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AUD 1.4952
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BT152B-400R,118


THYRISTOR, 400V, 20A, TO-263
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AUD 1.4962
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Q4006LTTP


Triacs 400V 6A 33/43V
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AUD 1.4993
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Q4006R4


Triacs 400V 6A 25-25-25mA
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AUD 1.5016
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QJ6025RH6TP


Triacs 60V 25A 80mA HI TEMP TO-220AB Non-Isolate
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AUD 1.5017
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S4010LS2


Littelfuse SCRs Sensing
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AUD 1.5041
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SJ6012NRP


SCRs 12A High Temp Thyristor
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