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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BT137S-600E(UMW)


TO-252 Thyristors (SCR)/Modules ROHS
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Youtai 509
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AUD 0.1522
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P1800SDLRP


Thyristor Surge Protection Devices - TSPD HIGH SURGE 170V 1000A
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Littelfuse 507
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AUD 0.9391
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TISP6NTP2CDR-S


SCRs Quad Buffered PGate Forward Conducting
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Bourns 507
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AUD 0.9719
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D4020LTP


Single 12.7A 400V 1.6V@40A TO-220 Diodes - General Purpose ROHS
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Littelfuse 506
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AUD 2.381
Multiples of: 1

BT134-800E,127


Pre-ordered transistors SOT82 RoHS
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WeEn Semiconductor 502
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AUD 0.525
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P1300SALRP


Thyristor Surge Protection Devices (TSPD) 50A 120V
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Littelfuse 501
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AUD 0.7975
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BT136-800E


TO-220 TRIACs ROHS
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Kang Yang 499
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AUD 0.1806
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BT138X-800


BT138X-800 PHILIPS TRIAC T/HOLE
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NXP 496
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AUD 0.8509
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Z0109MA 5AL2


TRIAC Logic - Sensitive Gate 600 V 1 A Through Hole TO-92
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STMicroelectronics 493
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AUD 0.2173
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BTA312Y-600C.127


Triac; 600V; 12A; 35mA; THT; sensitive gate; 3Q, Hi-Com; tube
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WeEn Semiconductor 491
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AUD 1.0444
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