Tube-number record
F-7423
0 archive entries
F-7423 is a tube type in the TubeDatabase archive (class: IATRON (Direct View Storage Cathode-Ray Tube)). Recorded specifications: brand ITT, construction Display / CRT, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.
BrandITT
ClassIATRON (Direct View Storage Cathode-Ray Tube)
Filament6.3 V @ 1.4 mA
Construction
Primary TypeDisplay / CRT
Envelope5-inch diameter
SectionsFlood Section and Write Section
Filament / Heater
Heater NotesFlood heater 1.4A; Write heater 0.6A
Absolute Maximum Ratings
Plate Voltage10000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Flood Section | 8500 V | — | — | — | 2 mA |
| Write Section | -750 V | — | — | — | 3 mA |
Application Notes
Viewing screen voltage should be limited to never exceed 10 kV. Minimum resistance of the high voltage circuit should be 1,000,000 Ohms. Deflection voltages should be applied before operating the writing beam to avoid screen damage.
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