Tube-number record
6693
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BrandAmperex
ClassMercury Vapor Rectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeSingle Anode
EnvelopeGlass
Base MaterialCeramic or Plastic with Bayonet
Sections1
Filament / Heater
MaterialOxide coated
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage15000 V
Cathode Current5000 mA
Audio Performance
Key Features
- Directly heated cathode
- Oxide coated
- High voltage
- Single anode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Peak Inverse Anode Voltage = 15 kV | 15000 V | — | — | — | 3000 mA |
| Peak Inverse Anode Voltage = 2.5 kV | 2500 V | — | — | — | 5000 mA |
Application Notes
Particularly suitable for use in conjunction with modern power oscillator and amplifier tubes operating at high currents and lower voltages. Ratings intermediate between 575A and 869B.
Datasheets
Datasheet: 6693.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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