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

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Tube-number record

COLD CATHODE TEN DIGIT SIDE VIEWING NUMERAL INDICATOR TUBE

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ClassIndicator Tube
BaseFlexible / flying leads

Construction

Primary TypeOther / special
Envelope
Side viewing
Base MaterialGlass
Sections10 cathodes (numerals 1234567890), 1 common anode

Filament / Heater

Absolute Maximum Ratings

Plate Voltage170 V
Cathode Current3.5 mA

Audio Performance

Key Features
  • 13 mm numeral height
  • Side viewing
  • Red contrast filter
  • Cold cathode
  • In-line read out

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
D.C. operation140 V———2 mA
Pulse operation140 V———12 mA

Application Notes

The tube contains ten cathodes in the form of ten figures and one common anode. ZM1080 includes a red contrast filter. Life expectancy > 5000h for continuous display of one digit.

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