58CV
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BrandPhilips
ClassVacuum Phototube
BaseFlexible leads
Construction
Primary TypeVacuum
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current0.003 mA
Audio Performance
Key Features
- Sensitive to red and infra-red radiation
- Caesium on oxidized silver cathode
- Arbitrary mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 50V | - | 1000000 | - | - |
Application Notes
Measured with a lamp of colour temperature 2700 K. Red lead is anode, black lead is cathode.
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