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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DB4


Diac; Ifmax:2A; DO35; 35÷45V
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DC Components 1537
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AUD 0.0311
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BT151S-500L.118


Thyristor; 500V; 7.5A; 12A; 5mA; Package: Reel, tape; SMD; DPAK
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WeEn Semiconductor 1536
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AUD 0.6556
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BTA16-800CW3G


Triacs 16A 35mA 800V IGT 3 QUAD INTERNL ISLTD
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ON Semiconductor 1536
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AUD 2.3984
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BT137-600D,127


Thyristors - TRIACs Two-way thyristor 600V TO-220 (TO-220-3) RoHS
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WeEn Semiconductor 1532
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AUD 0.4841
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BT136-600E.127


Thyristors - TRIACs Two-way thyristor 600V TO-220F (TO-220IS) RoHS
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WeEn Semiconductor 1531
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AUD 0.5511
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Q6N3RP


TRIAC Logic - Sensitive Gate 600 V 1 A Surface Mount DO-214 (Compak)
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Littelfuse 1524
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D1FK100-5053


SCRs Super Fast Recovery Hi Voltage Low Noise
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Shindengen 1522
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MCR100-8


SOT-23 TRIACs ROHS
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Yongyutai Electronics 1513
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AUD 0.0351
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S6012DRP


Littelfuse SCRs 12A 600V
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Littelfuse 1506
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Q6006LH4TP


TRIAC Alternistor - Snubberless 600 V 6 A Through Hole TO-220 Isolated Tab
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Littelfuse 1505
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