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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

0G3/85A2

0 archive entries

BrandAmperex
ClassVoltage Reference Tube
BaseMiniature 7-pin (B7G)

Construction

Primary TypeOther / special
EnvelopeT 5 1/2
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage125 V
Cathode Current10 mA

Audio Performance

Key Features
  • High Stability
  • Low Noise
  • Better Regulation
  • Wide Operating Current Range
  • Reproducibility with 5 volt tolerance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Recommended D.C. Operating85 V—300—6 mA

Application Notes

Recommended for D.C. Amplifiers, stable regulated power supplies, and oscilloscope calibrators. Equilibrium conditions reached after 3 minutes. The tube should be operated only with cathode negative and anode positive.

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