Tube-number record
NL-604
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BrandNational Electronics, Inc.
ClassFull-wave Rectifier Tube
BaseSpecial / none
Construction
Primary TypeGas and mercury filled
Rectifier TypeFull-wave
EnvelopeGlass
SectionsDouble Anode
Filament / Heater
MaterialMercury-vapor/Gas
Warm-up Time15s
Absolute Maximum Ratings
Plate Voltage900 V
Cathode Current2500 mA
Audio Performance
Key Features
- Gas and mercury filled
- Quick starting
- Long life
- Constancy of characteristics within wide temperature limits
- Sturdy industrial design
Application Notes
Designed especially for industrial power rectifier applications up to 250 volts dc. Light filament before applying load. All data based on returns to filament transformer center tap.
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