The RV278 is a 50 watt pentode used in WWII by the German Air Force. Length = 6.87" Diameter = 1.88" Max voltage = 1300 Max current = Fil voltage = 10 Fil current = 3.25 amps Data sheet: GOTO INDEX
The RV278 is a 50 watt pentode used in WWII by the German Air Force.