This UHV generator circuit or ultra-high voltage was found in a 90s Electronic Engineering 90s. The triac can be of any type and the voltage depends only on the transformer.
This Maxim Voltage Supervisory integrated circuit can be obtained from Mouser Electronics. It has...
Any FET can be used on this 80's circuit. Power can be supplied with batteries. The output is...
March 2017 - Coilcraft SLR series inductors for currents up to 100 A can be obtained from Mouser...