Tube-number record
8415
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BrandAmperex
Classindustrial triode
Construction
Primary TypeTriode
Envelopeexternal anode
Base Materialceramic/metal
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation300 W
Grid 1 Voltage-250 V
Cathode Current1800 mA
Audio Performance
Key Features
- external anode
- industrial oscillator
- thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Grounded Grid Oscillator | 2000 V | — | — | 28 | 300 mA |
| Class C Grounded Grid Oscillator | 2250 V | — | — | 28 | 300 mA |
Application Notes
The Amperex 8415 is an external anode industrial triode designed for use as an RF oscillator. Maximum ratings apply up to 300 megacycles. When operating at 300 Mc, the filament voltage should be reduced to 4.6 volts.
Datasheets
Datasheet: 8415.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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