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

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Tube-number record

90CG

0 archive entries

BrandPHILIPS
ClassGas-filled Phototube
BaseMiniature 7-pin (B7G)

Construction

Primary TypeOther / special
EnvelopeGlass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage90 V
Cathode Current0.00168 mA

Audio Performance

Key Features
  • Sensitive to red radiation
  • Sensitive to infra-red radiation
  • Arbitrary mounting position

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard Operation85 V—1000000——

Application Notes

The arrow shows the direction of the incident radiation. Measured with a lamp of colour temperature 2700 K.

Datasheets

Datasheet: 90CG.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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