Equivalent: RK39-Raytheon/HY61-Hytron
Type: 4/fd/M Culot: M367
Filament: tension 6.3 volts Intensité 0.9 A
Anode: Tension plaque maxi 400 Volts
Comnande : Tension Ecran 300 Volts Polarisation grille -30
