TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
DisclaimerA–Z indexSubmit a tube
11TU7 vacuum tube outline illustration

Tube-number record

11TU7

0 archive entries

11TU7 is a tube type in the TubeDatabase archive (class: Counting Tube (Dekatron)). Recorded specifications: brand TESLA, construction Other / special, base Bakelite, socket 10-pin, and maximum plate voltage 345 V. The archive does not yet hold a photographed example of this type.

BrandTESLA
ClassCounting Tube (Dekatron)
Base10-pin

Construction

Primary TypeOther / special
EnvelopeGlass
Base MaterialBakelite
Sections10-stage

Filament / Heater

Absolute Maximum Ratings

Plate Voltage345 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Switching speed up to 5 kc/s335 V—24000—3.7 mA

Application Notes

Counting tubes for use in calculating machines/instruments. Cathode current should be minimized for long life; periodic cycling between 1 and 5000 c/s is recommended.

Datasheets

Datasheet: 11TU7.pdf

Download PDF
Loading datasheet...

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

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Grid 2 Voltage110 V
    Cathode Current5 mA

    Audio Performance

    Key Features
    • 10 main cathodes
    • 10 transfer cathodes
    • Gas-filled counting tube
    • Bi-directional operation