Tube-number record
1039
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BrandPhilips
ClassRectifier
BaseJumbo
Construction
Primary TypeRectifier
Rectifier Typemercury vapour and gas filled
EnvelopeGlass
SectionsDouble-anode
Filament / Heater
Materialoxide-coated
Warm-up Time120s
Absolute Maximum Ratings
Plate Voltage185 V
Cathode Current15000 mA
Audio Performance
Key Features
- Double-anode
- Directly heated
- Oxide-coated filament
- Mercury vapour and gas filled
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Battery Charger (Nominal) | 60 V | — | 0.85 | — | 13500 mA |
Application Notes
Specifically designed for battery chargers. Can charge up to 20 Pb cells at 15 A. Recommended warmup time is 2 minutes, though can be reduced to 1 minute in urgent situations. After transport or long service interruption, 5 minutes warmup is required.
Datasheets
Datasheet: 1039.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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