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BrandTelefunken
ClassTriode
Filament12.6V @ 2100mA
Construction
Primary Typedm-Triode
EnvelopeMetall-Keramik
Base MaterialMetal
Sections1
Filament / Heater
Heater NotesOne heater lead is connected to the cathode internally. Accuracy of +/- 3% required.
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation300 W
Grid 1 Voltage-300 V
Cathode Current400 mA
Audio Performance
Key Features
- Air-cooled
- Metal-ceramic construction
- Grid-grounded circuit optimization
- Decimeter wave triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 1300V | 23000 | - | 58.8 | 150mA |
| Selbsterregung, B-Betrieb | - | - | - | - | 300mA |
Application Notes
Suitable for self-excited and externally controlled transmitters, predominantly in grid-grounded circuits. CW operation up to lambda = 20 cm, anode pulse operation down to lambda = 11 cm.
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