E 428
0 Tubes in archive
BrandPhilips
ClassTriode
BaseS. VB
Filament4V @ 1000mA
Construction
Primary TypeTriode
EnvelopeGlass
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.5 W
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage50 V
Audio Performance
Key Features
- Detector
- L.F. amplification
- Oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal | 200V | 2400 | 11500 | 28 | 6mA |
Application Notes
Point de commenc. du courant de grille (Starting point of grid current) at -1.3V.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results