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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BTB12-800CWRG


Triac; 800V; 12A; 35mA; THT; Snubberless™; tube; TO220AB
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STMicroelectronics 214
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AUD 0.79
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BTB12-800BW3G


Triacs 12A TRIAC 50mA IGT
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ON Semiconductor 212
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AUD 1.0639
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S4035JTP


Littelfuse SCRs SCR 400V 35A Iso
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Littelfuse 212
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AUD 5.2643
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JST26UF-800BW


TO-3PF Thyristors (SCR)/Modules ROHS
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JSMSEMI 210
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AUD 0.8351
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BTB24-800BWRG(UMW)


TO-220B Thyristors (SCR)/Modules ROHS
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Youtai 208
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AUD 0.3195
Multiples of: 5

TD175N16SOF


Module; double series; 1.6kV; 175A; BG-PB34SB-1; Ufmax:1.8V; screw
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Infineon 206
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AUD 80.1897
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T435T-600FP


Triacs 4A Snubberless Triacs
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STMicroelectronics 202
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AUD 0.518
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BT138-600E


TO-220C TRIACs ROHS
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YFW Electronics 194
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AUD 0.2586
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BT138-600D,127


Triacs Thyristor TRIAC 600V 105A 3-Pin (3+Tab)
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WeEn Semiconductor 131
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AUD 0.802
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TYN1225RG


Thyristor; 1.2kV; 16A; 25A; 40mA; Package: tube; THT; TO220AB
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STMicroelectronics 116
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AUD 3.7707
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