Tube-number record
RD 12 TF
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BrandLorenz
ClassTransmitting Triode
Filament12.6 V @ 600 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated oxide cathode; permissible heater range 10.8 - 14.5 V.
Absolute Maximum Ratings
Plate Voltage900 V
Plate Dissipation75 W
Cathode Current250 mA
H-C Voltage75 V
Audio Performance
Key Features
- 75 Watt Power Triode
- UHF/Decimeter Wave Application
- Indirectly Heated
- Oxide Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CW 50cm | 450 V | 17000 | 2941 | 50 | 180 mA |
| CW 55cm | 500 V | 17000 | 2941 | 50 | 180 mA |
| CW 62cm | 550 V | 17000 | 2941 | 50 | 180 mA |
Application Notes
Tube temperature must not exceed 200°C. Cooling with a sharp air stream of 100 l/min near the feedthroughs is required.
Datasheets
Datasheet: RD12Tf.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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