We found this circuit in the November 1992 Radio Electronics magazine. The circuit uses an LDR as a sensor and the transistor can be any general-purpose transistor.
Toshiba TCKE8xx eFuse IC Toshiba provides through Mouser Electronics circuits over current...
This circuit was found in the Radio Electronics magazine of May 1990. The supply voltage depends on...
This circuit was found in an American 80's documentation. The transistor is of germanium of the...