25C5
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BrandTUNG-SOL
ClassBeam Pentode
Base7 PIN BASE E7-1
Filament25V @ 300mA
Construction
Primary TypeBeam Pentode
EnvelopeT-5 1/2
Sections1
Filament / Heater
Heater NotesAC OR DC, SERIES STRING
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation7 W
Grid 2 Voltage130 V
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output2.3 W
Key Features
- COATED UNIPOTENTIAL CATHODE
- MINIATURE
- ANY MOUNTING POSITION
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CLASS A1 AMPLIFIER | 120V | 7500 | 10000 | - | 49mA |
Application Notes
DESIGNED FOR USE AS A POWER AMPLIFIER IN THE OUTPUT STAGE OF AC-DC RECEIVERS. EXCEPT FOR HEATER RATINGS THE 25C5 IS IDENTICAL TO THE 50C5.
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