Tube-number record
Z-5387
0 archive entries
Z-5387 is a tube type in the TubeDatabase archive (class: Planar Triode). Recorded specifications: brand General Electric, construction Triode, maximum plate voltage 3500 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassPlanar Triode
Filament6.3 V @ 1.05 mA
Construction
Primary TypeTriode
Envelopemetal-and-ceramic
Sectionssingle
Filament / Heater
Materialoxide-coated
Warm-up Time60s
Heater NotesHeater voltage dependent upon operating conditions
Absolute Maximum Ratings
Plate Voltage3500 V
Plate Dissipation10 W
Grid 1 Voltage-150 V
Audio Performance
Key Features
- Grounded-grid
- Class C CW or pulsed
- Metal-and-ceramic envelope
- Oxide-coated indirectly-heated cathode
- High transconductance
- Low lead inductances
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier - 1100 Megacycles | 1700 V | 24800 | — | 95 | 1900 mA |
Application Notes
The Z-5387 operates at frequencies where it is necessary to consider transit-time effects. Cooling of the tube envelope is accomplished by conduction from contact circuit members with sufficient forced air to limit maximum temperature to 250C.
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