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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BT137-600G,127


Thyristors - TRIACs Two-way thyristor 600V TO-220-3 RoHS
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WeEn Semiconductor 908
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AUD 0.595
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BTA25-800CW3G


Triacs ISO TO220 25A 35mA TRIAC
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ON Semiconductor 905
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AUD 6.3701
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K0900E70


Littelfuse Sidacs 90V
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Littelfuse 902
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S4025NRP


Littelfuse SCRs 25A 400V
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Littelfuse 898
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AUD 2.7657
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BTA12-800BWRG(UMW)


TO-220A TRIACs ROHS
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Youtai 897
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AUD 0.3135
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Q4004L4TP


TRIAC Standard 400 V 4 A Through Hole TO-220AB-L
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Littelfuse 896
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AUD 1.8667
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2N6509TG


SCRs 800V 25A
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ON Semiconductor 893
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BT136-600D


TO-252-4R TRIACs ROHS
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Weida Semiconductor 887
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AUD 0.0558
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T1635H-8I


Triacs DFD THYR TRIAC & RECTIFIER
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STMicroelectronics 868
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AUD 1.3029
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SK012DTP


Littelfuse SCRs 12A 1000V
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Littelfuse 808
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AUD 1.8181
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