Tube-number record
E. 251
0 archive entries
E. 251 is a tube type in the TubeDatabase archive (class: Transmitting Tube (Zendlampen)). Recorded specifications: brand Radio-Major, construction Triode, base Nickel-plated sleeve, socket Special / none, maximum plate voltage 1500 V, and maximum plate dissipation 40 W. The archive does not yet hold a photographed example of this type.
BrandRadio-Major
ClassTransmitting Tube (Zendlampen)
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialNickel-plated sleeve
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1500 V
Plate Dissipation40 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Transmitting | 1150 V | 1000 | 22500 | 22.5 | 60 mA |
Application Notes
Designed for low-power transmission in wireless telegraphy and telephony.
Datasheets
Datasheet: E251.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results