8056
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BrandSiemens
ClassNuvistor Triode
Base5-65
Filament6.3V @ 135mA
Construction
Primary TypeTriode
EnvelopeMetal
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated; parallel supply; AC or DC
Absolute Maximum Ratings
Plate Voltage50 V
Plate Dissipation0.45 W
Cathode Current55 mA
H-C Voltage100 V
Audio Performance
Key Features
- Long life (> 10000 hrs)
- Reliability
- Shock and vibration resistance
- Interface-free special cathode
- Heater-filament switching stability
- High altitude resistance (up to 30000 m)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Fixed Bias | 24V | 8000 | 1560 | 12.5 | 10mA |
| Cathode Bias | 24V | 7000 | 1650 | 11.5 | 8.5mA |
Application Notes
Particularly suitable for hybrid circuits, impedance converter stages, cathode followers, and multivibrators.
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