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12AF3 Half-Wave Rectifier High Voltage HV RCA Radiotron Vacuum Electron Tube

This is a genuine, vintage, RCA Radiotron 12AF3 Half Wave Rectifier High Voltage electron tube. These 7-pin miniature all glass tubes typically used as half-wave damper rectifiers to provide multi kilovolt anode voltage for television (TV), photomultiplier and special purpose circuits. Excellent for restoration projects or to set up a private vacuum tube museum. It is a NOS tube - New Old Stock, unused, boxed, excellent condition.
12AF3 RCA Radiotron Half-Wave Rectifier High Voltage HV Vacuum Electron Tube [10 KB]


12AF3 High Voltage Half Wave Rectifier
RCA Radiotron Quality Made in USA
Heater: 12.6 V, 0.6 A
Plate: 4,500 Vmax (4.5 KiloVolts)
Current: 750 mAmax X-RAY Emitter
Base: 9-pin noval, all glass miniature


NOS - New Old Stock tube Original box
Unused - Price: $15 - One available
S/H included within continental US
12AF3 Noval Vacuum Tube 9-pin Miniature Electrode Connections
PIN # 1 2 3 4 5 6 7 8 9 CAP
Electrode IC IC IC Heater Heater IC IC IC Anode Cathode
IS=Internal Short, IC=Internal Connection - Do NOT Use
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