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

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UCH 41 vacuum tube outline illustration

Tube-number record

UCH 41

0 archive entries

UCH 41 is a tube type in the TubeDatabase archive (class: Triode-Hexode). Recorded specifications: brand Philips, socket Rimlock, maximum plate voltage 250 V, and maximum plate dissipation 0.8 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassTriode-Hexode
BaseRimlock
Filament14 V @ 100 mA

Construction

EnvelopeGlass
SectionsTriode-Hexode

Filament / Heater

Heater NotesIndirect heating, A.C. or D.C. series supply

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation0.8 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode section (as characteristics)100 V1900—198.5 mA
Hexode section (frequency converter)170 V4501200000—2.2 mA
Triode section (as oscillator)170 V60010000—

Application Notes

Frequency changer/converter for use in radio receivers. Hexode screen grids can be fed via a potentiometer for AGC applications.

Datasheets

Datasheet: UCH41.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

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Manufacturers

Brands

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    Grid 2 Voltage125 V
    Grid 1 Voltage-1.3 V
    Cathode Current7 mA
    H-C Voltage150 V

    Audio Performance

    Key Features
    • Frequency changer
    • Low inter-electrode capacitance
    • Rimlock base
    4.9 mA