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

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1U4WA vacuum tube outline illustration

Tube-number record

1U4WA

0 archive entries

1U4WA is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Raytheon, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 135 V, and maximum plate dissipation 0.17 W. The archive does not yet hold a photographed example of this type.

BrandRaytheon
ClassPentode
BaseMiniature 7-pin (B7G)

Construction

Primary TypePentode
EnvelopeT-5 1/2 Glass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage135 V
Plate Dissipation0.17 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF/AF Pentode90 V900——1.6 mA

Application Notes

Designed for RF and AF applications in portable equipment and specialized military electronic equipment.

Datasheets

Datasheet: 1U4WA.pdf

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

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Manufacturers

Brands

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    Grid 2 Voltage135 V
    Cathode Current3 mA

    Audio Performance

    Key Features
    • Filament type
    • Sharp cut-off
    • Miniature construction
    • Low microphonic noise
    • Vibration resistant