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TRANSISTOR_OVERVOLTAGE_FUSE

2016-05-07 01:30  
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TRANSISTOR_OVERVOLTAGE_FUSE
Proteclive circuit uses one resistor, one diode, amd one transistor. Transistor across supply line is cut off by 1N87 diode until overload occurs. When transistor conducts, fuse is open by current that would ordinarily destroy transistors being protected (represented here by 1K load).-K. Redmond, Low-Cost Transistor Overload Safety Circuit, Electronics, 33:42, p 102.