Tube-number record
72
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BrandRaytheon Manufacturing Co.
ClassHigh Vacuum Rectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeHigh Vacuum
Envelope7-1/2
Base MaterialBakelite
Filament / Heater
MaterialThoriated Tungsten
Warm-up Time2s
Absolute Maximum Ratings
Cathode Current20 mA
Audio Performance
Key Features
- Thoriated Tungsten Filament
- Convection Cooling
- Bayonet 4-prong Medium Bakelite Base
Application Notes
The value of Maximum Peak Inverse Voltage is limited for tube use in hermetically-sealed units that are dry and free from dust.
Datasheets
Datasheet: 72.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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