Tube-number record
8847
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BrandEIMAC
ClassHigh-Mu Planar Triode
BaseCoaxial
Filament6.3 V @ 1300 mA
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
Sections1
Filament / Heater
Heater NotesUnipotential, oxide-coated cathode
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation150 W
Grid 1 Voltage-150 V
Cathode Current250 mA
Audio Performance
Key Features
- Miniature ceramic/metal construction
- Rugged planar design
- Optimized for airborne and space applications
- Operation up to 3.5 GHz
- Arc-resistant cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| General Performance | — | 38000 | — | 75 | 160 mA |
Application Notes
Can be conduction, convection, heat sink, or liquid cooled. Forced-air cooling requires external radiators.
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