E180F
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BrandSIEMENS
ClassWideband Pentode
BaseNoval
Filament6.3V @ 300mA
Construction
Primary TypePentode
EnvelopeDIN 41539, Form A, Nenngröße 28
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated, AC or DC, Parallel supply
Absolute Maximum Ratings
Plate Voltage210 V
Plate Dissipation3 W
Grid 2 Voltage175 V
Grid 1 Voltage-50 V
Cathode Current25 mA
H-C Voltage60 V
Audio Performance
Key Features
- Long life (10000 hours)
- High reliability
- Tight tolerances
- Shock and vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 180V | 16500 | 90000 | 50 | 13mA |
| Triode | 160V | 18500 | 2700 | 50 | 16.5mA |
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