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DROKxae; 500W SCR Thyristor AC 220V Silicon Controlled Rectifier for Electronic Voltage Regulator Dimmer Speed Regulator Thermostat with Heat Sink | Amazon price tracker / tracking, Amazon price history charts, Amazon price
Major Brands C122M Thyristor Silicon Controlled Rectifier Diode, TO-220, 600 Volt, 90 Amp, 3 Pin (Pack of 4): Amazon.com: Industrial & Scientific
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KP 100A 1600V Screw Type Thyristor SCR Silicon Controlled Rectifier for Welding Machines (G3/8in Thread): Amazon.com: Industrial & Scientific