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

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TH 9475 vacuum tube outline illustration

Tube-number record

TH 9475

0 archive entries

TH 9475 is a tube type in the TubeDatabase archive (class: Light Image Intensifier Tube). Recorded specifications: brand Thomson-CSF, construction Other / special, and maximum plate voltage 45000 V. The archive does not yet hold a photographed example of this type.

BrandThomson-CSF
ClassLight Image Intensifier Tube
Filament2700 V @ — mA

Construction

Primary TypeOther / special
EnvelopeSilicone compound encapsulation
Sections3

Filament / Heater

Heater NotesSupply for integral voltage multiplier; 2700V peak-to-peak sine wave at 1500 Hz.

Absolute Maximum Ratings

Plate Voltage

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Night Viewing Stage45000 V————

Application Notes

Designed for night viewing systems or as an intensifier stage for T.V. camera tubes. Operates with 45 kV viewing screen potential while photocathode is at zero potential.

Datasheets

Datasheet: TH9475.pdf

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

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    45000 V

    Audio Performance

    Key Features
    • S20 Photocathode with extended red sensitivity
    • P20 aluminized yellow-green phosphor
    • Fiber-optics windows (5 µm elementary fiber)
    • Integral multistage voltage multiplier
    • Ruggedized construction for vibration and shock