Tube-number record
8506
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BrandToshiba
ClassMetal-Ceramic Triode
BasePlanar / disc seal
Filament6.3 V @ 400 mA
Construction
Primary TypeTriode
EnvelopeMetal-Ceramic
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation5 W
Grid 1 Voltage-50 V
Cathode Current40 mA
H-C Voltage50 V
Audio Performance
Key Features
- Metal-ceramic planar construction
- Radio-frequency power amplifier in the UHF range
- Coated unipotential cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 200 V | 29000 | — | 110 | 25 mA |
Application Notes
Designed for use as a radio-frequency power amplifier in the UHF range. For applications where long life is a primary consideration, it is recommended that the envelope temperature be maintained below 175 °C.
Datasheets
Datasheet: 8506.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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