The W8EXI Wingfoot VFO Exciter - Power Supply Voltage Regulator Schematic Diagram and Circuit Description
0A2 OA2WA USA 6 pieces NOS tube valve | eBay
Tubes-Store.com → Other tubes → SG-1P voltage regulator tube
0A2 Electronic Tube High Quality - AliExpress
0A2 / 150C2 / SG16P Voltage reference tube. Laboratorio Musicale
0a2 / 150c2 tube the 0a2 oa2 is a two electrode, inert gas filled, cold cathode tube for use in voltage regulator applications. | elliott electronic supply
0A2 Voltage Regulator Gas Tube 150 volt | My Hickok 533A Tub… | Flickr
Sylvania 0A2 OA2 Vacuum Tube Valve NOS NIB - Etsy
STR 150/30 RFT 0A2 OA2 Germany NOS NIB, Voltage regulator tube | eBay