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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TS820-600B-TR


SCRs 8.0 Amp 600 Volt
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STMicroelectronics 181875
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T1235T-8T


Triacs 12A Snubberless Triac 800V rms 35mA
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STMicroelectronics 142427
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X0202MN 5BA4


SCRs 1.25 Amp 600 Volt
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STMicroelectronics 115430
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P0102BL 5AA4


SCRs 0.25 Amp 200 Volt
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STMicroelectronics 110580
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T835-600B-TR


Triacs 8.0 Amp 600 Volt
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STMicroelectronics 99425
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AUD 0.4791
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BTA24-600CWRG


Triac; 600V; 25A; 35mA; THT; Snubberless™; tube; TO220ABIns
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STMicroelectronics 88270
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DB4


Diac; Ifmax:2A; DO35; 35÷45V
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STMicroelectronics 87300
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P3203ACL


Thyristor Surge Protection Devices - TSPD 3Chp 270V 500A
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Littelfuse 82450
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SCRs THY SOT23 SCR
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ON Semiconductor 81919
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Q6004D4RP


Triacs 600V 4A 25-25-25mA
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Littelfuse 75697
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