TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

Tube Database (1,270 tubes)

Other (3257), Pre (2314), Power (1030), Rectifier (740)
DisclaimerSubmit a tube

D 13-621

0 Tubes in archive

BrandTelefunken
ClassOscilloscope Tube
Base14-pin all-glass
Filament6.3V @ 300mA

Construction

Primary TypeDisplay / CRT
EnvelopeFlat-faced screen
Base MaterialGlass
Sections1

Filament / Heater

Heater Notesindirectly, parallel operation

Absolute Maximum Ratings

Plate Voltage2500 V
Grid 1 Voltage-200 V
H-C Voltage125 V

Audio Performance

Key Features
  • Flat-faced screen
  • High deflection sensitivity
  • Single-beam
  • Double-electrostatic symmetrical deflection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard operation2000V----

Application Notes

Service oscilloscopes

Filters

0 tubes found

Manufacturers

Brands

    Showing 1 to 0 of 0 results