5823 RCA, GE, CEI Triode Tube. Designed primarily to be used as a relay control tube. New old stock. No longer available for export. MFR: RCA, GE, CEI. SKU: 5823.
New Old Stock 5823 Vacuum Tubes Sylvania C. 1960s Tested Good - Etsy
5823 TUBE CEI USA GOLD-CATHODE THYRATRON ASG5823 Z900T PL5823 | eBay