Tube-number record
2-2000A
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BrandEimac
ClassHigh-Vacuum Rectifier
Base4-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) | 26500 V | — | — | — | 600 mA |
| Capacitor-Input Filter (Single-Phase Full-Wave) | 26500 V | — | — | — | 1200 mA |
| Choke-Input Filter (Single-Phase Full-Wave) | 26500 V | — | — | — |
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.
Datasheets
Datasheet: 2-2000A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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