Tube-number record
5AS4A
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BrandSylvania
ClassFull-Wave Rectifier
BaseOctal
Construction
Primary TypeRectifier
Rectifier TypeFull-Wave
EnvelopeT-12
Base MaterialShort Medium Shell
Sections2
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage1550 V
Audio Performance
Key Features
- Filamentary full-wave high vacuum rectifier
- Designed for TV receivers
- High current capacity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full Wave Rectifier—Capacitor Input Filter | 300 V | — | 21 | — | 300 mA |
| Full Wave Rectifier—Capacitor Input Filter | 450 V | — | 67 | — | 275 mA |
| Full Wave Rectifier—Choke Input Filter | 550 V | — | — | — |
Application Notes
The Sylvania Type 5AS4A is designed for service in the power supply of television receivers or other equipment requiring high current. Horizontal operation is permitted if Pins 1 and 4 are in a vertical plane.
Datasheets
Datasheet: 5AS4A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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