Tube-number record
6658
0 archive entries
6658 is a tube type in the TubeDatabase archive (class: Travelling Wave Tube). Recorded specifications: brand Federal Telephone and Radio Company, construction Travelling Wave Tube, socket Duodecal, maximum plate voltage 1500 V, and maximum plate dissipation 100 W. The archive does not yet hold a photographed example of this type.
BrandFederal Telephone and Radio Company
ClassTravelling Wave Tube
BaseDuodecal
Filament6.3 V @ 1800 mA
Construction
Primary TypeTravelling Wave Tube
EnvelopeMetal
SectionsSingle
Filament / Heater
Heater NotesUnipotential oxide coated cathode
Absolute Maximum Ratings
Plate Voltage1500 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Power Amplifier | 1100 V | — | — | — | 7 mA |
| Linear Amplifier | 1000 V | — | — | — | 42 mA |
Application Notes
The shell is normally operated at ground potential. Precautions must be taken to insure that high voltage is not applied in the absence of magnetic field.
Datasheets
Datasheet: 6658.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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