Tube-number record
F5011A
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BrandCSF
ClassMercury Vapor Rectifier
BaseSpecial / none
Construction
Primary TypeDiode
Rectifier TypeMonoanodic
EnvelopeGlass
Sections1
Filament / Heater
MaterialOxide-coated
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage18000 V
Cathode Current5000 mA
Audio Performance
Key Features
- Mercury vapor
- Hot cathode
- High voltage
- Convection cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Monophasé 1 alternance | 18000 V | — | — | — | 2500 mA |
| Monophasé 2 alternances | 18000 V | — | — | — | 5000 mA |
| Triphasé étoilé | 18000 V | — | — | — | 7500 mA |
Application Notes
Average anode current exceeding maximum values for more than 30 seconds risks excessive heating. Recommended to protect tube with appropriate resistance in anode circuit.
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