Tube-number record
GE18651
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BrandGeneral Electric
ClassPlanar Triode
BasePlanar / disc seal
Filament6.3 V @ 550 mA
Construction
Primary TypeTriode
EnvelopeCeramic and Metal
Base MaterialMetal
Sections1
Filament / Heater
Heater NotesAC or DC operation
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation65 W
Grid 1 Voltage-100 V
Cathode Current2000 mA
H-C Voltage50 V
Audio Performance
Key Features
- Ceramic and metal construction
- Plate-pulsed oscillator or amplifier
- Zero bias operation
- Lengthened anode for circuit tuning
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 200 V | 22000 | — | 58 | 21 mA |
| Plate-Pulsed Oscillator Service | 1500 V | — | — | — | 1500 mA |
Application Notes
Intended for use as a plate-pulsed oscillator or amplifier at frequencies up to 6000 megahertz. Designed primarily for zero bias operation in long life broadbanded amplifier chains.
Datasheets
Datasheet: GE18651.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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