Tube-number record
PENTODE
0 archive entries
PENTODE is a tube type in the TubeDatabase archive (class: Premium Tube). Recorded specifications: brand TUNG-SOL, construction Pentode, base Button Base, socket Miniature 7-pin (B7G), maximum plate voltage 330 V, and maximum plate dissipation 3.3 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassPremium Tube
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialButton Base
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (Condition 1) | 100 V | 4300 | 250000 | — | 10.8 mA |
| Class A1 Amplifier (Condition 2) | 250 V | 4400 | 1000000 | — | 11 mA |
Application Notes
Specifically suited for use in military or industrial airborne equipment which may be subjected to severe shock and vibration.
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