DAF 41
0 Tubes in archive
BrandPhilips
ClassDiode-Pentode
BaseRimlock
Construction
Primary TypePentode
EnvelopeGlass
SectionsDiode-Pentode
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage135 V
Plate Dissipation0.1 W
Grid 2 Voltage85 V
Grid 1 Voltage-0.2 V
Cathode Current0.5 mA
Audio Performance
Key Features
- Direct heating
- Series or parallel supply
- Microphonic resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Resistance coupled A.F. amplifier | 67.5V | - | - | 60 | 0.17mA |
| Resistance coupled A.F. amplifier | 90V | - | - | 70 | 0.25mA |
| Resistance coupled A.F. amplifier | 90V | - | - | 83 | 0.13mA |
| Resistance coupled A.F. amplifier | 120V | - | - | 100 | 0.18mA |
| Resistance coupled A.F. amplifier | 150V | - | - | 112 | 0.24mA |
Application Notes
Used in battery receivers. Input voltage Vi >= 18 mV for an output of 50 mW without special microphonic precautions.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results