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D7-221GH

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BrandMullard
ClassInstrument Cathode-Ray Tube
Filament6.3V @ 95mA

Construction

Primary TypeMonoaccelerator oscilloscope tube
EnvelopeRectangular flat faced
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect by a.c. or d.c.; parallel supply

Absolute Maximum Ratings

Plate Voltage1000 V
H-C Voltage100 V

Audio Performance

Key Features
  • 7 cm diagonal
  • Rectangular flat faced
  • Low heater power consumption
  • Monoaccelerator

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Quick Reference Data1000V----

Application Notes

Primarily intended for use in inexpensive oscilloscopes and monitoring devices.

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