Tube-number record
5641
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BrandSylvania
ClassHalf-wave Rectifier
BaseSubminiature
Filament6.3 V @ 450 mA
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeT-3
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesCoated Unipotential
Absolute Maximum Ratings
Plate Voltage330 V
Cathode Current57 mA
H-C Voltage465 V
Audio Performance
Key Features
- Premium Subminiature
- High perveance
- Shock resistant
- Vibration resistant
- High temperature operation
- High altitude operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-Wave Rectifier - Capacitor Input | 120 V | — | 39 | — | 48 mA |
| Half-Wave Rectifier - Capacitor Input | 235 V | — | 270 | — | 45 mA |
| Full-Wave Rectifier - Two Tubes (Capacitor Input) | 250 V | — | 300 | — |
Application Notes
Designed primarily for use in power supplies under severe conditions of shock and vibration. Output current up to 57 mA DC for single tube choke input, or 90 mA DC for two tubes in full-wave configuration.
Datasheets
Datasheet: 5641.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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