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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Q4004D3RP


TRIAC Logic - Sensitive Gate 400 V 4 A Surface Mount TO-252, (D-Pak)
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Littelfuse 1532
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AUD 1.1927
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BTA204S-600E.118


Thyristors - TRIACs Two-way thyristor 600V TO-252-3 RoHS
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WeEn Semiconductor 1525
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AUD 0.538
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P1500SCLRP


Thyristor Surge Protection Devices (TSPD) 500A 140V
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Littelfuse 1524
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AUD 0.7637
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L4008L6TP


TRIAC Logic - Sensitive Gate 400 V 8 A Through Hole TO-220AB-L
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Littelfuse 1524
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AUD 1.9643
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D1FK100-5053


SCRs Super Fast Recovery Hi Voltage Low Noise
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Shindengen 1522
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AUD 0.184
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BT137S-600E(UMW)


TO-252 Thyristors (SCR)/Modules ROHS
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Youtai 1518
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AUD 0.131
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BT139-800.127


Triac; 800V; 16A; 35/70mA; THT; sensitive gate; 4Q; tube; TO220AB
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WeEn Semiconductor 1506
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AUD 0.904
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BTA41-800B


Thyristors - TRIACs Two-way thyristor 800V TO-3P RoHS
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SLKORMICRO 1054
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AUD 1.4094
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P0080TVB


25V 25mA 6.5V 5uA SMA(DO-214AC) Thyristor Surge Suppressors (TSS) ROHS
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WPMtek 814
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AUD 0.0388
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2N5060


SCRs 0.8A 30V
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Central Semiconductor 505
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AUD 0.3316
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