Tube-number record
7018 (615)
0 archive entries
7018 (615) is a tube type in the TubeDatabase archive (class: Half Wave Rectifier Tube). Recorded specifications: brand National Electronics, Inc., construction Mercury Vapor, socket 4-pin, and maximum plate voltage 2000 V. The archive does not yet hold a photographed example of this type.
BrandNational Electronics, Inc.
ClassHalf Wave Rectifier Tube
Base4-pin
Construction
Primary TypeMercury Vapor
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialMercury Vapor
Warm-up Time20s
Absolute Maximum Ratings
Plate Voltage2000 V
Cathode Current2500 mA
Audio Performance
Key Features
- Industrial power rectifier applications
- Mercury vapor type
- Up to 600 volts dc
0 results