Tube-number record
NF 2
0 archive entries
NF 2 is a tube type in the TubeDatabase archive (class: HF-Pentode). Recorded specifications: brand Telefunken, construction Pentode, socket Side-contact (P-base), maximum plate voltage 200 V, and maximum plate dissipation 1 W. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassHF-Pentode
BaseSide-contact (P-base)
Filament12.6 V @ 195 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesOxydkathode, indirekt geheizt
Absolute Maximum Ratings
Plate Voltage200 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normaler Arbeitspunkt | 200 V | 1700 | 1800000 | 4000 | 2 mA |
Application Notes
Einschaltspannung Anode (kalt) max. 400 V, Einschaltspannung Schirmgitter (kalt) max. 410 V.
Datasheets
Datasheet: NF2.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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