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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ON Semiconductor SCRs 25A 600V
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Weida Semiconductor 1755
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Triac; 800V; 25A; 50mA; THT; Snubberless™; tube; TO220AB
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Diac; Ifmax:2A; DO35; 28÷36V
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SCRs 400V 8A
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ON Semiconductor 1747
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S6X8BSRP


Littelfuse SCRs Sen SCR 800V .8A 200uA
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Littelfuse 1746
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BTA16-800BW3G


Triacs 16a 50mA 800V IGT 3 QUAD INTERNL ISLTD
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ON Semiconductor 1746
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Triacs BTA445Z-800BT/II TO3P/STANDARD
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Triacs BTA41-600BQ/II TO3P/STANDARD MARKING * HORIZONTAL, RAIL PACK
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BT258-800R,127


Thyristor; 800V; Ifmax: 8A; 5A; Igt: 50uA; TO220AB; THT; tube; 2us
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