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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SCRs 600V .8A 200uA Sensing
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Littelfuse 3839
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Diac; 2A; MiniMELF; 35÷45V; SMD; Reel,tape
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Diotec 3837
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SCRs 20 A 600 V Low IGT High Temperature SCR in TO220I
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STMicroelectronics 3826
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Triacs RAIL TRIAC
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STMicroelectronics SCRs
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20mA 15uA 400V SOT-23 Thyristors (SCR)/Modules ROHS
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TECH PUBLIC 3705
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