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SCR flashing LED circuit diagram

2017-02-02 07:18  
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SCR flashing LED circuit diagram
Single-junction transistor oscillator Q1 produces a series of timing pulses to trigger the SCR, then the SCR drives the 276-041 red light-emitting diode produced by Radio Shack company. When the flashing rate is 12 times per second, the circuit power consumption is 2mA. SCR model is 276-1089, ratings are 6A, 50V.