CURRENT REGULATOR
0 Tubes in archive
BrandPhilips
ClassBallast Tube
BaseP30
Filament-V @ 200mA
Construction
Primary TypeRegulator with limiting resistor
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesSeries operation with uranium oxide limiting resistor
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- Uranium oxide limiting resistor
- Protection for dial lamps
- Surge suppression
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Regulation Range | 150V | - | - | - | 200mA |
Application Notes
Designed for use in series-heated receivers to limit initial current surges while cathodes are cold.
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