5U4GB GE OWENSBOROUGH SHORT FORM 5U4
This GE short form 5U4G valve shows excellent bright getter and tests as EXCELLENT using my Avo VCM163 valve tester. Device test data: Ia = 120.0mA for both diode sections
Device specification 120mA delivery for both diode sections. So you can see we have 100% emission from this venerable beauty.
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5U4G, PHILCO ,5 RIB ,CHARCOAL ANODE, 5P DATE CODE, M-R PRINT, 1955 PRODUCTION 5u4