SCR relaxation flasher  

Category:
Lighting Circuits
Added on
Aug 25, 2012
Flashing occurs each time the capacitor discharges through the tumed-on SCR. When the discharge current falls below the SCR holding current, the SCR turns off, and the capacitor begins charging for another cycle.
SCR relaxation flasher - schematic

The circuit will maintain a slower but good flashing capability even after considerable battery degradation.




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