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Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

NL-606

0 archive entries

BrandNational Electronics, Inc.
ClassRectifier Tube
Base4-pin

Construction

Primary TypeGas and mercury filled
Rectifier TypeFull-wave
EnvelopeGlass
SectionsFull-wave

Filament / Heater

MaterialMercury-vapor/Gas
Warm-up Time40s

Absolute Maximum Ratings

Plate Voltage900 V
Cathode Current6400 mA

Audio Performance

Key Features
  • Sturdy industrial design
  • Gas and mercury filled
  • Quick starting
  • Long life

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Full-wave Rectifier250 V———6400 mA

Application Notes

Designed especially for industrial power rectifier applications up to 250 volts dc. All data based on returns to filament center tap.

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