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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

M17-220WE

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ClassFlat Cathode-Ray Tube
Base10-pin
Filament6.3 V @ 240 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass, rectangular flat face
SectionsSingle-gun

Filament / Heater

Heater NotesIndirectly heated by AC or DC; Quick heating cathode.

Absolute Maximum Ratings

Plate Voltage17000 V
Grid 2 Voltage1200 V
Grid 1 Voltage-150 V
H-C Voltage125 V

Audio Performance

Key Features
  • Very high resolution
  • Flat face
  • Quick heating cathode
  • Electrostatic focusing
  • Magnetic deflection
  • Metal-backed phosphor

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation15000 V———0.01 mA

Application Notes

Designed for photographic applications where screen current is generally limited to 20 uA.

Filters

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