Tube-number record
F-575-A
0 archive entries
F-575-A is a tube type in the TubeDatabase archive (class: Half-wave mercury-vapor rectifier). Recorded specifications: brand Federal Telephone and Radio Corporation, year 1949, construction Mercury Vapor, and maximum plate voltage 15000 V. The archive does not yet hold a photographed example of this type.
BrandFederal Telephone and Radio Corporation
ClassHalf-wave mercury-vapor rectifier
Construction
Primary TypeMercury Vapor
Rectifier Typehalf-wave
Envelopeglass
Sectionssingle
Filament / Heater
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage15000 V
Cathode Current7000 mA
Audio Performance
Key Features
- Mercury-vapor
- Half-wave
- High voltage
- Convection cooling
- Custom-built
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Phase-Half Wave (Circuit A) | 10600 V | — | — | — | 1500 mA |
| Three Phase-Full Wave (Circuit F) | 6100 V | — | — | — | 4500 mA |
Application Notes
The F-575-A is a mercury-vapor, half-wave rectifier for use in high voltage rectifier circuits. Condensed mercury temperature limits are 20 to 60 degrees C for 10,000V PIV and 20 to 50 degrees C for 15,000V PIV.
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