Tube-number record
F4027
0 archive entries
F4027 is a tube type in the TubeDatabase archive (class: Multiplier Phototube). Recorded specifications: brand ITT Industrial Laboratories, year 1965, construction Multi-section, base Kovar stiff flying leads, socket Flexible / flying leads, and maximum plate voltage 2250 V. The archive does not yet hold a photographed example of this type.
BrandITT Industrial Laboratories
ClassMultiplier Phototube
BaseFlexible / flying leads
Construction
Primary TypeMulti-section
EnvelopeCorning 7056 Glass
Base MaterialKovar stiff flying leads
Sections16 Dynodes
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2250 V
Cathode Current0.3 mA
Audio Performance
Key Features
- High transmission mesh grid
- Electrostatically focused image section
- Defining aperture customization
- Dark noise suppression
- Optional magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions | 1800 V | — | — | — | — |
Application Notes
Well suited for electron energy selection, heterodyne detection, solar exposure protection, non-linear operation, fast gating, and high Gm/I amplification.
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