C3G
1 Tube in archive
BrandSiemens
ClassBroadband Pentode
BaseY8A (Kontinentaler Schlüsselsockel)
Filament6.3V @ 370mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating, AC or DC, Parallel supply
Absolute Maximum Ratings
Plate Voltage220 V
Plate Dissipation3.5 W
Grid 2 Voltage220 V
Grid 1 Voltage-50 V
Cathode Current30 mA
H-C Voltage120 V
Audio Performance
Typical THD10%
Power Output1.2 W
Key Features
- Long life (> 10,000 hours)
- High reliability
- Narrow tolerances
- Interface-free special cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 220V | 14000 | 300000 | 41 | 13mA |
| Triode | 200V | 17000 | 2300 | 40 | 17mA |
Application Notes
High transconductance, low noise pentode for telecommunications. Particularly suitable for RF, IF, and broadband amplifiers.
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