SR 250Y50
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BrandPhilips
ClassSelenium Rectifier
BaseSimple mounting, no sockets required
Construction
Primary TypeSelenium
Rectifier Typehalf-wave
EnvelopeFlat metal type
Base MaterialMetal
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current50 mA
Audio Performance
Key Features
- long life
- no filament heating
- high overload factor
- low internal resistance
- shock-proof
- tropical use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal rating (A) | 250V | - | - | - | 50mA |
| Reduced rating (B) | 200V | - | - | - | 40mA |
Application Notes
Specifically designed for radio and television receivers. Lifetime approximately 10,000 hours at nominal ratings or 50,000 hours at reduced ratings.
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