ESU106
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BrandEDISWAN
ClassHalf-wave Mercury Vapour Rectifier
BaseAEI 4857
Filament4V @ 14000mA
Construction
Primary TypeMercury Vapour
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated; cathode heating delay time 5 minutes
Absolute Maximum Ratings
Plate Voltage20000 V
Cathode Current3000 mA
Audio Performance
Key Features
- Indirectly heated
- Half-wave Mercury Vapour Rectifier
- High Peak Inverse Voltage
- Condensed mercury temperature range +25°C to +70°C
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condensed Mercury Temp 70°C | 5000V | - | - | - | 7500mA |
| Condensed Mercury Temp 65°C | 10000V | - | - | - | 5000mA |
| Condensed Mercury Temp 60°C | 15000V | - | - | - | 4000mA |
| Condensed Mercury Temp 25-55°C | 20000V | - | - | - | 3000mA |
Application Notes
The cathode should be allowed an adequate heating time (min 5 mins at 15°C; 10 mins at 10°C; 20 mins at 5°C). After transportation or storage, an initial 30-minute cathode heating time is required to ensure correct mercury distribution.
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