Tube-number record
KC 51
0 archive entries
KC 51 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Philips Miniwatt, year 1933, construction Triode, and maximum plate voltage 100 V. The archive does not yet hold a photographed example of this type.
BrandPhilips Miniwatt
ClassTriode
Construction
Primary TypeTriode
EnvelopeSmall dimensions
Sections1
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage100 V
Grid 1 Voltage0.3 V
Audio Performance
Key Features
- Directly heated battery tube
- Parallel filament supply
- Very small dimensions
- Compact design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 20 V | 350 | 18900 | 6.6 | 0.5 mA |
| Condition 2 | 40 V | 500 | 13600 | 6.9 | 1.25 mA |
Application Notes
The KC 51 is a triode with very small dimensions for use in compact equipment such as e.g. deaf aid apparatus.
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