6487
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BrandMullard
ClassSubminiature R.F. Pentode
Base8 Lead subminiature (B8D)
Filament6.3V @ 200mA
Construction
Primary TypePentode
EnvelopeGlass T3
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage190 V
Plate Dissipation0.75 W
Grid 2 Voltage190 V
Cathode Current10 mA
Audio Performance
Key Features
- Short suppressor grid base
- Internal diode connected to suppressor
- 8 Lead subminiature glass construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 100V | 2900 | 100000 | 30 | 3mA |
Application Notes
The 6487 is a subminiature R.F. Pentode with a short suppressor grid base and having a diode internally connected to the suppressor.
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