Dc 9-12v To 80-380v Dc Boost Mc34063 High Voltage Dc Converter Nixie & Magic Eye Tube Hv Power Module F/ 6e2 6e1 6e5 - Integrated Circuits - AliExpress
DIY 3.7V to 9V Boost Converter Circuit using MC34063
High Voltage Power Supply with the MC34063
MC34063 High Voltage DC Converter NIXIE&Magic Eye Tube HV Power Supply Module | eBay