Tube-number record
LS 1500
0 archive entries
LS 1500 is a tube type in the TubeDatabase archive (class: Luftfahrtröhre (Aviation Tube)). Recorded specifications: brand Telefunken, construction Triode, socket Special / none, maximum plate voltage 5000 V, and maximum plate dissipation 1500 W. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassLuftfahrtröhre (Aviation Tube)
BaseSpecial / none
Filament6.5 V @ 20 mA
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Sections1
Filament / Heater
Heater NotesHeater voltage deviations over 3% reduce tube life
Absolute Maximum Ratings
Plate Voltage5000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristic | 2000 V | 15000 | 1513.3 | 22.7 | 400 mA |
| HF-Verstärkung (Telefonie-B-Betrieb, 3000V) | 3000 V | — | 1130 | — | 765 mA |
Application Notes
Used in externally controlled transmitters down to 4m wavelength. Cooling air must be maintained even for neutralized tubes to manage heat from filament.
Datasheets
Datasheet: LS1500.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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