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

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7625 vacuum tube outline illustration

Tube-number record

7625

0 archive entries

7625 is a tube type in the TubeDatabase archive (class: High-mu triode). Recorded specifications: brand General Electric, construction Triode, base Metal/Ceramic, socket Planar / disc seal, maximum plate voltage 275 V, and maximum plate dissipation 0.85 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassHigh-mu triode
BasePlanar / disc seal
Filament6.3 V @ 215 mA

Construction

Primary TypeTriode
EnvelopeMetal-Ceramic Planar
Base MaterialMetal/Ceramic
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Low-level audio-frequency amplification150 V140057000800.95 mA

Application Notes

Operation below the rated maximum envelope temperature is recommended for applications requiring the longest possible tube life.

Datasheets

Datasheet: 7625.pdf

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

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Brands

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    Plate Voltage275 V
    Plate Dissipation0.85 W
    Grid 1 Voltage-50 V
    Cathode Current3.8 mA
    H-C Voltage50 V

    Audio Performance

    Key Features
    • Metal-ceramic planar construction
    • High-mu
    • Primarily intended for low-level audio-frequency amplification
    • Compact planar design