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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

F 9004

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BrandCSF
ClassNixie Tube
BaseDiheptal

Construction

Primary TypeOther / special
EnvelopeGlass
Base MaterialPlastic
Sections10 cathodes (digits 0-9), 1 anode

Filament / Heater

Absolute Maximum Ratings

Plate Voltage300 V
Cathode Current6 mA

Audio Performance

Key Features
  • Cold cathode
  • Direct reading
  • Gas-filled
  • Long duration
  • Transistor-compatible

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Numerical Indication250 V—40000—2.9 mA

Application Notes

Recommended anode supply voltage at least 170V. For transistor circuits, a differential voltage of at least 25V is required between the active and inactive cathodes, with 40V or more recommended for optimal results.

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