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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BT138-800E.127


Triac; 800V; 12A; 25mA; TO220AB
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AUD 0.7768
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RS2535H-600A


TO-220AB-3 TRIACs ROHS
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AUD 0.7772
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RS25A06-CW


TO-220 TRIACs ROHS
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AUD 0.7772
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T835T-6I


Triacs Snubberless Logic Standard 8A Triac
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AUD 0.7776
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BTB12-800CW3G


ON Semiconductor Triacs 12A TRIAC 35mA IGT
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AUD 0.78
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BT138-800G.127


Triac; 800V; 12A; 100mA; TO220AB
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AUD 0.7806
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MCR12DSN-1G


TO-252 TRIACs ROHS
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AUD 0.7808
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S4S3RP


Littelfuse SCRs Sensing
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AUD 0.7808
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BTA312X-800B/DGQ


Triacs BTA312X-800B/DG/TO-220F/STANDARD MARKING * HORIZONTAL, RAIL PACK
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AUD 0.7808
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T10A120


Thyristor Surge Protection Devices TSPD 120V 50A
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AUD 0.7813
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