F-7172
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BrandITT
ClassDirect View Storage Cathode-Ray Tube (Iatron)
BaseSpecial 9-pin (Neck), Special 8-pin (Shoulder), 7-pin E7-1 Miniature
Filament6.3V @ 600mA
Construction
Primary TypeStorage Tube
EnvelopeSymmetrical
Base MaterialPlastic Encapsulated
SectionsWriting gun and Flooding gun
Filament / Heater
Heater NotesWriting and Flooding sections respectively
Absolute Maximum Ratings
Plate Voltage5000 V
Grid 2 Voltage1100 V
Grid 1 Voltage100 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic focus
- Electrostatic deflection
- Bright daylight viewing
- Image amplification
- Aluminized phosphor screen
- No trapezoidal distortion
- Fast writing and high deflection speed
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Viewing | 4000V | - | - | - | 0.75mA |
Application Notes
Used as a panel-mounted indicator in aircraft. Deflection circuits can be included between tube neck and indicator case.
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