Tube-number record
75TL
0 archive entries
75TL is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand Eimac, construction Triode, base Ceramic, socket 4-pin, maximum plate voltage 3000 V, and maximum plate dissipation 75 W. The archive does not yet hold a photographed example of this type.
BrandEimac
ClassTransmitting Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialCeramic
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C Telegraphy | 1000 V | 3350 | — | 12 | 215 mA |
| Class-C Telegraphy | 1500 V | 3350 | — | 12 | 167 mA |
| Class-C Telegraphy | 2000 V | 3350 | — | 12 | 150 mA |
Application Notes
The 75TL must be mounted vertically, base up or base down. Flexible connecting straps should be provided between the grid and plate terminals and the external circuits. The plate operates at a visibly red temperature at maximum dissipation.
Datasheets
Datasheet: 75TL.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results