Tube-number record
ECF82
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BrandVEB Werk für Fernsehelektronik (WF)
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2 W
Grid 2 Voltage300 V
Grid 1 Voltage-50 V
Cathode Current20 mA
H-C Voltage220 V
Audio Performance
Key Features
- High transconductance
- Optimized for TV mixer stages
- Noval base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 100 V | 5800 | 6000 | 35 | 14 mA |
| Pentode Section | 170 V | 5500 | 400000 | — | 10 mA |
| Pentode Mixer Operation | 170 V | 1600 | — | — | 5.2 mA |
Datasheets
Datasheet: ECF82.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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