B 438
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BrandPhilips Miniwatt
ClassTriode
Filament4V @ 100mA
Construction
Primary TypeTriode
SectionsSingle Triode
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- Filament current range code B (0.10 to 0.20 A)
- Standard European 4-volt heater series
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | - | - | - | 38 | - |
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