30P12
0 Tubes in archive
BrandSiemens Edison Swan Limited
ClassBeam Power Tube
BaseB9A
Filament12.6V @ 0.3mA
Construction
Primary TypeTetrode
EnvelopeGlass
Base MaterialNoval
SectionsSingle
Filament / Heater
Heater NotesSuitable for AC or AC/DC operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation6 W
Grid 2 Voltage250 V
Cathode Current50 mA
H-C Voltage150 V
Audio Performance
Typical THD5%
Power Output2.25 W
Key Features
- Designed for output stage of Audio Amplifiers
- Designed for Frame Time Bases
- B9A Noval Base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Audio Output | 170V | 8300 | - | - | 31mA |
Application Notes
The grid to cathode circuit resistance must not exceed 0.5 megohms with cathode self-bias.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results