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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TRIAC Logic - Sensitive Gate 600 V 4 A Surface Mount TO-252, (D-Pak)
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Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional
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SCRs 1.25 Amp 600 Volt
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STMicroelectronics 19400
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Triacs 4.0 Amp 600 Volt
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NP3100SBT3G


Thyristor Surge Protection Devices - TSPD 80A 310V TSPD SMB
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ON Semiconductor 19400
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Triacs 4.0 Amp 800 Volt
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TRIAC Logic - Sensitive Gate 800 V 8 A Surface Mount DPAK
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Triacs 600V 8.8A 4-Pin 3 QUADRANT TRIACS
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