Tube-number record
E 282 F
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BrandSiemens
ClassBreitband-Leistungspentode
BaseNoval (B9A)
Filament6.3 V @ 350 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated, AC/DC, parallel supply
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation4.2 W
Grid 2 Voltage150 V
Grid 1 Voltage-50 V
Cathode Current50 mA
H-C Voltage100 V
Audio Performance
Key Features
- Long life (> 10,000 hrs)
- High Reliability
- Tight Tolerances
- Shock and Vibration Resistance
- Special cathode without interface layer
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 125 V | 26000 | — | — | 35 mA |
| Triode | 125 V | 32000 | 800 | 25.5 | 40 mA |
Application Notes
Broadband power pentode suitable for low-distortion output stages in video and oscilloscope amplifiers, and HF broadband amplifiers up to 250 MHz.
Datasheets
Datasheet: E282F.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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