Tube-number record
7486
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BrandGeneral Electric
ClassTriode
BasePlanar / disc seal
Filament6.3 V @ 240 mA
Construction
Primary TypeTriode
EnvelopeMetal-Ceramic
Base MaterialCeramic
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1 W
Grid 1 Voltage-50 V
Cathode Current11 mA
H-C Voltage50 V
Audio Performance
Key Features
- Metal-ceramic planar construction
- High shock and vibration resistance
- Nuclear radiation resistance
- UHF operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics (100V) | 100 V | 11500 | — | 90 | 8 mA |
| Average Characteristics (150V) | 150 V | 10500 | — | 90 | 7.5 mA |
| UHF Oscillator (450 MHz) | 150 V | — | — | — | 8 mA |
| UHF Oscillator (1200 MHz) | 150 V | — | — | — | 8 mA |
| Class C RF Amplifier (450 MHz) | 150 V | — | — | — | 5 mA |
Application Notes
The 7486 is especially suited for use where unfavorable conditions of mechanical shock, mechanical vibration, and nuclear radiation are encountered. Intended for use as an oscillator or RF power amplifier up to 1200 MHz.
Datasheets
Datasheet: 7486.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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