E. 251
0 Tubes in archive
BrandRadio-Major
ClassTransmitting Tube (Zendlampen)
BaseSquare base (Vierkante voet)
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialNickel-plated sleeve
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1500 V
Plate Dissipation40 W
Audio Performance
Key Features
- Nickel plate
- Molybdenum grid
- Wireless telegraphy
- Telephony
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Transmitting | 1150V | 1000 | 22500 | 22.5 | 60mA |
Application Notes
Designed for low-power transmission in wireless telegraphy and telephony.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results