Tube-number record
ME1404
0 archive entries
BrandMullard
ClassSubminiature Electrometer Triode
BaseB5 family
Construction
Primary TypeTriode
EnvelopeSubminiature
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage25 V
Cathode Current0.25 mA
Audio Performance
Key Features
- Controlled logarithmic relationship between grid and anode current
- Low grid current (2 x 10-15A range)
- Designed for linear and logarithmic use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Linear Operation | 9 V | 80 | — | 2 | 0.1 mA |
Application Notes
To prevent photoemission from the grid, the valve should be operated in darkness or at a low ambient light level. Avoid contamination of the glass; do not handle within 13mm of the base.
Datasheets
Datasheet: ME1404.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results