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

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Tube-number record

E2666B1

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BrandToshiba
ClassDirect-viewing bistable storage tube
BaseSpecial / none
Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
SectionsDual (Writing Gun and Viewing Gun)

Filament / Heater

Heater NotesWriting gun heater 6.3V, Viewing gun heater 4.2V

Absolute Maximum Ratings

Plate Voltage2200 V
Plate Dissipation6 W
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
Cathode Current30 mA
H-C Voltage125 V

Audio Performance

Key Features
  • Black matrix
  • Hybrid mesh
  • Dot screen
  • Flat face
  • Electrostatic focus
  • Electrostatic deflection
  • High contrast

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Writing Gun2000 V————
Viewing Gun200 V———30 mA

Application Notes

Recommended for storage oscilloscope use. Viewing gun heater should use DC supply. Pin 3 of viewing gun heater is internally connected to viewing gun cathode.

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