M8248
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BrandMullard
ClassSpecial Quality U.H.F. Triode
BaseMiniature 7-pin (B7G)
Filament6.3V @ 400mA
Construction
Primary TypeTriode
Envelopeglass
Sectionssingle
Filament / Heater
Heater NotesSuitable for parallel operation a.c. or d.c.
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation2.7 W
Grid 1 Voltage-55 V
Cathode Current20 mA
H-C Voltage90 V
Audio Performance
Key Features
- Special quality
- Grounded grid amplifier
- Shock and vibration resistant
- Statistically controlled electrical characteristics
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| grounded grid amplifier | 150V | 13500 | 3700 | 50 | 13.5mA |
Application Notes
Special quality triode for use as a grounded grid amplifier in equipment where mechanical vibration and shocks are unavoidable.
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