Tube-number record
DCG 5/75
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DCG 5/75 is a tube type in the TubeDatabase archive (class: Mercury Vapor Rectifier). Recorded specifications: brand Philips, construction Rectifier, base Chrome-Iron Ring, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassMercury Vapor Rectifier
Filament5 V @ 40000 mA
Construction
Primary TypeRectifier
Rectifier TypeMercury Vapor
EnvelopeGlass
Base MaterialChrome-Iron Ring
SectionsSingle
Filament / Heater
Heater NotesIndirekt geheizt
Absolute Maximum Ratings
Plate Voltage12000 V
Cathode Current10000 mA
Audio Performance
Key Features
- Oxide cathode
- Indirectly heated
- Mercury vapor filling
- Phase control possible
- Chrome-iron ring connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Abb. 1 | 3800 V | — | — | — | 20000 mA |
| Abb. 2 | 5800 V | — | — | — | 30000 mA |
| Abb. 3 | 5400 V | — | — | — | 40000 mA |
| Abb. 4 | 7600 V | — | — | — | 20000 mA |
| Abb. 5 | 11600 V | — | — | — | 30000 mA |
| Abb. 6 | 10800 V | — | — | — | 40000 mA |
Application Notes
Specifically designed for use in large transmitter installations. Can be used as a relay tube by shifting the phase of the auxiliary voltage relative to the anode voltage.
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