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

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TH 9655 vacuum tube outline illustration

Tube-number record

TH 9655

0 archive entries

TH 9655 is a tube type in the TubeDatabase archive (class: Nocticon Low Light Level Camera Tube). Recorded specifications: brand THOMSON-CSF, construction Other / special, socket Subminiature, and maximum plate voltage 300 V. The archive does not yet hold a photographed example of this type.

BrandTHOMSON-CSF
ClassNocticon Low Light Level Camera Tube
BaseSubminiature
Filament6.3 V @ 150 mA

Construction

Primary TypeOther / special
EnvelopeFiber optics flat window
SectionsImage section (electrostatic), Scanning section (electromagnetic)

Filament / Heater

MaterialOxide coated
Warm-up Time60s
Heater NotesMin preheating time 60s

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard Operation8 V———0.0003 mA

Application Notes

The TH 9655 is a 25 mm input field tube designed for very low light level T.V. applications. It features a diode array silicon target and scanning electron gun. The gain is variable via high voltage variation (3kV to 11kV).

Datasheets

Datasheet: TH9655.pdf

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

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    Absolute Maximum Ratings

    Plate Voltage300 V
    Grid 2 Voltage350 V
    Grid 1 Voltage150 V
    Cathode Current0.00075 mA
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Low dark current
    • Low lag
    • Wide dynamic range
    • Compact and rugged structure
    • Burn resistant
    • Fiber optics input window