ME1406
0 Tubes in archive
BrandMullard
ClassElectrometer Pentode
BaseB5J/F
Construction
Primary TypePentode
EnvelopeSubminiature
SectionsSingle
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage45 V
Grid 2 Voltage45 V
Cathode Current0.18 mA
Audio Performance
Key Features
- Low cost
- Subminiature
- Low grid current
- Designed for darkness operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 10V | 10.5 | 10500000 | 110 | 0.005mA |
Application Notes
The quoted grid current characteristics will only be obtained if the tube is operated in complete darkness. Filament voltage must be applied before the anode voltage to avoid excessive drift. Direct soldered connections to leads must be at least 13mm from the seals.
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