217-C
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BrandRadio Corporation of America
ClassHalf-wave vacuum rectifier
BaseMedium-Metal-Shell Jumbo 4-Pin, Bayonet
Construction
Primary Typevacuum
Rectifier Typehalf-wave
EnvelopeT-18
Base MaterialMetal
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Cathode Current150 mA
Audio Performance
Key Features
- Not recommended for new equipment design
- Thoriated Tungsten Filament
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