Tube-number record
PENTODE
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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
Plate Voltage330 V
Plate Dissipation3.3 W
Grid 2 Voltage150 V
H-C Voltage100 V
Audio Performance
Key Features
- Ruggedized
- Remote Cut-off
- Low Grid-Plate Capacitance
- High Transconductance
- Shock Resistant
- Vibration Resistant
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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