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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QJ4025RH5TP


Triacs 40V 25A 50mA HI TEMP TO-220AB Non-Isolate
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Littelfuse 970
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Triacs 800V 15A
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Littelfuse 970
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QJ4025LH6TP


Triacs 40V 25A 80mA HI TEMP TO-220AB Isolated
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Littelfuse 970
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Triacs ALT 600V 25A 50-50-50MA
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Littelfuse 970
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Triacs 600V 35A 50-50-50mA
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Littelfuse 970
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AUD 4.7769
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L0109DTRP


Triacs 1A Sensitive Triacs brand Thyristors
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Littelfuse 969
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TN2010H-6FP


SCRs High Temperature 20A SCRs
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STMicroelectronics 969
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Triacs 800V 12A 50-50-50mA
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Littelfuse 968
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BTA208-800E.127


Triac; 800V; 8A; 10mA; THT; sensitive gate; 3Q, Hi-Com; tube; TO220AB
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WeEn Semiconductor 963
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SCRs 800V 16A
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ON Semiconductor 916
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