In the field of electrical and electronics engineering, a fuse (short for fusible link) is considered as a safety tool to protect any electrical circuit from the result of overload currents. It ...
This blown fuse indicator will work with a wide range of DC supply voltages from 5V to 50V. It illuminates LED1 when the fuse blows. With the fuse intact, Q1 is held off and there is no bias current ...