38
- First year: 1931
- Base: UY-Base, 5 Pins (USA, April 1927) (Codex=Hfo) Top contact with a cap
- Filament: Vf 6.3 Volts / If 0.3 Ampere / Indirect /
- Identical to: 38 = 138A = UY38A = ER238 = VT-38 = PH238
- Tube type: Vacuum Pentode Power/Output
Published by:
dido