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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25V 50mA 6V 5uA DO-214AC(SMA) Semiconductor Discharge Tubes (TSS) ROHS
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NH 3686
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BT137X-600G,127


Triacs RAIL TRIAC
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WeEn Semiconductor 3684
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K1200S1URP


Littelfuse Sidacs 120V DO-214AC 2L
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Littelfuse 3682
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BT134W-600.135


Triac; 600V; 1A; 35/70mA; SMD; sensitive gate; 4Q; Reel, tape; SOT223
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WeEn Semiconductor 3673
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BTA140-800.127


Triac; 800V; 25A; 35mA; TO220AB
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NXP 3671
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Z0103MN0


WeEn Semiconductors Z0103MN0/SC-73/REEL 13" Q1/T1
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WeEn Semiconductor 3657
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BTA312B-800E,118


Triacs Thyristor TRIAC 800V 105A 3-Pin (2+Tab)
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WeEn Semiconductor 3642
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BTA312B-800E,118


NXP Semiconductors Triacs Thyristor TRIAC 800V 105A 3-Pin (2Tab)
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NXP 3642
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T2800DG


Triacs THY SPECIAL TRIAC
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ON Semiconductor 3641
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BTB08-600CWRG


Triacs 8.0 Amp 600 Volt
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STMicroelectronics 3637
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