This circuit was found in a 90s American publication. The same configuration appears in several places on this site, obtained from different sources. The lamps can be replaced by LEDs.
Found in an American 1980s documentation, this circuit generates high-intensity pulses for a...
This transistor source can supply currents up to 2 A and the voltage determined by the zener...
We found this circuit in a 1987 documentation. It can be used on vehicles of that time, paralyzing the...