Tube-number record
LD 15
0 archive entries
LD 15 is a tube type in the TubeDatabase archive (class: Sendetriode). Recorded specifications: brand Telefunken, construction Triode, and maximum plate voltage 2500 V. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassSendetriode
Filament14 V @ — mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2500 V
Grid 1 Voltage-250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Anodentastung selbsterregt (Lambda 65 cm) | 2500 V | — | — | — | 1500 mA |
Application Notes
The LD 15 is a high-altitude version of the LD 5 with nearly identical electrical data. It features a removable knob and can operate at voltages up to 2.5 kV at 12 km altitude.
Datasheets
Datasheet: LD15.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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