5672
0 Tubes in archive
BrandPhilips
ClassPentode
BaseSubminiature
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
MaterialDirect
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage90 V
Cathode Current5 mA
Audio Performance
Typical THD10%
Power Output0.065 W
Key Features
- Subminiature pentode
- A.F. power amplifier
- Directly heated
- Portable equipment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 67.5V | 650 | - | - | 3.1mA |
Application Notes
Direct soldered connections to the leads of this tube must be at least 5 mm from the seal and any bending of the leads must be at least 1.5 mm from the seal.
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