Silicon Controlled Rectifier 400V Intelligence
400V silicon controlled rectifier for high-power switching and AC control applications.
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Live value: $0.5/unit · Range: $1–$15
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About
A Silicon Controlled Rectifier (SCR) rated at 400V is a four-layer semiconductor device that acts as a controllable switch for high-power AC applications. These thyristors are manufactured through silicon wafer doping processes, creating precise P-N-P-N junctions that enable voltage control up to 400 volts. SCRs are sourced from semiconductor foundries using photolithography and ion implantation techniques. Primary applications include motor speed controls, lighting dimmers, power supplies, and industrial heating systems. Key properties include high current handling capability, low forward voltage drop, and precise gate triggering characteristics. Makers and electronics engineers purchase SCRs for power control circuits, phase control applications, and switching heavy loads in automation projects. The 400V rating makes them suitable for mains-powered equipment and industrial control systems where reliable, high-voltage switching is essential for circuit protection and power management.
FAQ
What is Silicon Controlled Rectifier 400V primarily used for?+
400V silicon controlled rectifier for high-power switching and AC control applications.
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Pricing is tracked from live listings and normalized into a $1–$15 intelligence range.
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