Fuse indicator circuit with discoloring light-emitting diode

Published:2012/9/14 2:49:00 Author:Ecco | Keyword: Fuse indicator, discoloring light-emitting diode | From:SeekIC

As shown in the figure, it is the fuse indicator circuit for single-phase AC circuit. LED is a discoloring light-emitting diode in the figure. When fuse FU is normal, the two light-emitting diodes in LED emit orange light; Once the fuse inside of the fuse is blown, the right light-emitting diode doesn't emit light without power, only the left one still emit red light.



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