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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BT137X-800,127


NXP Semiconductors Triacs RAIL TRIAC
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NXP 3967
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AUD 0.4604
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BTA225B-600B,118


Thyristor TRIAC 600V 180A 3-Pin(2+Tab) D2PAK T/R
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WeEn Semiconductor 3952
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AUD 1.5108
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P1500SCLRP


Thyristor Surge Protection Devices (TSPD) 500A 140V
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Littelfuse 3949
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AUD 0.8014
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BT131-800,116


Triac; 800V; 1A; TO92; Igt: 3/7mA; Ifsm: 12.5A; 4Q; sensitive gate
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WeEn Semiconductor 3944
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AUD 0.1811
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P0118DA 5AL3


STMicroelectronics SCRs 0.8A SCRS
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STMicroelectronics 3936
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AUD 0.3025
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BT131-800D-223


SOD-223-3L Thyristors (SCR)/Modules ROHS
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Weida Semiconductor 3899
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AUD 0.06
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BT138-600E/DGQ


Triacs BT138-600E/DG/SIL3P/STANDARD M
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WeEn Semiconductor 3897
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AUD 0.7244
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Q6016LH3TP


Littelfuse Triacs 600V 16A 20-20-20mA
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Littelfuse 3889
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AUD 3.3943
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MAC4DSNT4G


ON Semiconductor Triacs THY 4A 800V TRIAC
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ON Semiconductor 3884
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AUD 1.5259
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Z0107MA 2AL2


STMicroelectronics Triacs 1.0 Amp 600 Volt
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STMicroelectronics 2223
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AUD 0.2107
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