TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

DisclaimerSubmit a tube

C21HM

0 Tubes in archive

BrandBrimar
ClassCathode Ray Tube
BaseB12A (Duodecal)
Filament6.3V @ 600mA

Construction

Primary TypeTeletube
EnvelopeRectangular
SectionsSingle

Filament / Heater

Heater Notes0.6 amp nominal

Absolute Maximum Ratings

Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-2 V
Cathode Current0.25 mA
H-C Voltage180 V

Audio Performance

Key Features
  • Aluminized Screen
  • External Conductive Coating
  • Wide Angle Deflection
  • Replacement Type

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation16000V---0.15mA

Application Notes

No harmful X-ray radiation is produced by this tube when operated at final anode voltages not greater than 16 kV. Heater negative with respect to cathode rating of 410V only during warm-up period of 15 secs maximum.

Datasheet Viewer

Loading datasheet...

Filters

0 tubes found

Manufacturers

Brands

Sort by
    Showing 1 to 0 of 0 results