2-2000A
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BrandEimac
ClassHigh-Vacuum Rectifier
BaseSpecial 4-pin
Construction
Primary Typediode
Rectifier Typehigh-vacuum
EnvelopeGlass
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage75000 V
Plate Dissipation1200 W
Cathode Current750 mA
Audio Performance
Key Features
- Thoriated tungsten filament
- Extreme ambient temperature tolerant
- High operating frequency capability
- High peak inverse voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor-Input Filter (Single-Phase Half-Wave) | 26500V | - | - | - | 600mA |
| Capacitor-Input Filter (Single-Phase Full-Wave) | 26500V | - | - | - | 1200mA |
| Choke-Input Filter (Single-Phase Full-Wave) | 26500V | - | - | - | 1500mA |
| Capacitor-Input Filter (Single-Phase Bridge) | 53000V | - | - | - | 1200mA |
| Choke-Input Filter (Single-Phase Bridge) | 53000V |
Application Notes
The Eimac 2-2000A is intended for use in rectifier units, voltage multipliers, or special applications where gas-filled tubes are unsuitable due to temperature or transients. Forced air is required for cooling filament seals.
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