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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DK025LTP


SCRs 1000V 25A
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Littelfuse 383
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AUD 4.1111

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BTB16-800CWRG


Triac; 800V; 16A; 35mA; THT; Snubberless™; tube; TO220AB
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STMicroelectronics 382
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AUD 0.756

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BT138-800.127


Triac; 800V; 12A; 70mA; TO220AB
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NXP 382
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AUD 0.82

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Z00607MA 2BL2


STMicroelectronics Triacs 0.8 Amp 600 Volt
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STMicroelectronics 381
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AUD 0.1344

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BTB08-400CRG


Triacs 8.0 Amp 400 Volt
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STMicroelectronics 380
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MAC15NG


Triacs THY FP 15A 800V TRI
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ON Semiconductor 380
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BT131-800


5mA 35mA 800V 1 SOT-223-3L TRIACs ROHS
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YFW Electronics 378
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2N6344AG


TRIAC Standard 600 V 12 A Through Hole TO-220AB
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ON Semiconductor 376
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BT151S-650R,118


SCRs TAPE13 SCR
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NXP 375
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QJ6025LH6TP


Triacs 60V 25A 80mA HI TEMP TO-220AB Isolated
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Littelfuse 375
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AUD 4.096

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