Tube-number record
UF 42
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UF 42 is a tube type in the TubeDatabase archive (class: R.F. Pentode). Recorded specifications: brand PHILIPS, construction Pentode, socket Rimlock, maximum plate voltage 250 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
BrandPHILIPS
ClassR.F. Pentode
BaseRimlock
Filament21 V @ 100 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect, AC or DC series supply
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| wide-band amplifier | 170 V | — | — | — | 10 mA |
Application Notes
Designed for use as a wide-band R.F. pentode in series-supply circuits.
Datasheets
Datasheet: UF42.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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