Mil Spec Sylvania 5642 Sub Miniture Rectifier tube- Zimbabwe | Ubuy
5 VINTAGE SYLVANIA 5642/SN956B EHT Rectifier Diode Oscilloscope EHT Supplies - B £125.18 - PicClick UK
5642 Tube for sale | eBay
5642 Tung Sol, RCA, Sylvania Half Wave High Voltage Rectifier Tube. Designed to function in the E.H.T. supplies of oscilloscopes. New old stock. No longer available for export. MFR: RCA, Tung Sol,
5642 - TekWiki
electron Tube Data sheets - 5
RCA Half-wave Rectifier Vacuum Tube 5642
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