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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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UAF41 vacuum tube outline illustration

Tube-number record

UAF41

0 archive entries

UAF41 is a tube type in the TubeDatabase archive (class: Diode-Pentode). Recorded specifications: brand Philips, year 1946, construction Multi-section, base Glass, 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
ClassDiode-Pentode
BaseRimlock
Filament12.6 V @ 0.1 mA

Construction

Primary TypeMulti-section
EnvelopeGlass
Base MaterialGlass
Sections2

Filament / Heater

Heater NotesA.C./D.C. series supply

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
H.F. or I.F. amplifier100 V16501000000172.8 mA
H.F. or I.F. amplifier170 V18001200000175 mA
H.F. or I.F. amplifier200 V19601300000176 mA

Application Notes

Diode-Pentode with variable-mu for H.F., I.F., or L.F. amplifier and detector or A.V.C.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage250 V
    Plate Dissipation2 W
    Grid 2 Voltage250 V
    Grid 1 Voltage-1.3 V
    Cathode Current10 mA
    H-C Voltage150 V

    Audio Performance

    Typical THD1.8%
    Key Features
    • Variable-mu
    • A.C./D.C. series supply
    • Rimlock base
    L.F. amplifier170 V——780.58 mA