Tube-number record
DCG 5/7500-1
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BrandPhilips
ClassMercury-vapor rectifier (Kwikdamp-gelijkrichtlamp)
Construction
Primary TypeRectifier
Rectifier TypeMercury vapor
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage12000 V
Cathode Current1500 mA
Audio Performance
Key Features
- Oxide cathode
- Very large electron emission
- Low power consumption
- Chromium-iron connection
- Small physical dimensions
- High efficiency (99%)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Fig. 1 Circuit | 4200 V | — | — | — | 3000 mA |
| Fig. 2 Circuit | 4200 V | — | — | — | 4500 mA |
| Fig. 3 Circuit | 4200 V | — | — | — | 4500 mA |
Application Notes
Suitable for delivering anode current for transmitters and similar installations. The auxiliary anode connection can facilitate lamp striking but can generally remain unconnected. Can be used as a relay lamp.
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