Posted by dapj20 on Mar 12, 2016 in Fluorescent-Lamp
This is an electronic choke for a Conventional Fluorescent Lamp. This was an application note of MJE13005 a High Voltage Switching NPN Power Transistor. I Might have modified it.
Emergency Light with Fluorescent Tubes
This was very popular in the early days, The Coil Winding and Ferrite is very Critical design.