The HV2405E integrated circuit is not very common these days. This circuit was found in the August 1998 issue of Electronics Now magazine. The current is a few tens of milliamps.
Lamps in the range between 20 and 50 mA can be used. Voltage supply is according the lamp and...
The purpose of this circuit found in an old documentation from the 90's is to switch on low...
This configuration, which appears elsewhere on this site, was found in documentation from the...