Tube-number record
1049
0 archive entries
1049 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Philips, year 1954, construction Other / special, socket Special / none, and maximum plate voltage 185 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassRectifier
BaseSpecial / none
Construction
Primary TypeOther / special
Rectifier TypeDouble-anode
EnvelopeGlass
Sections2
Filament / Heater
Materialoxide-coated
Warm-up Time120s
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Battery charger | 60 V | — | 0.5 | — | 22000 mA |
Application Notes
Battery charger (25 A per valve, max. 20 Pb-cells)
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