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Tube-number record

19DFP4

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BrandPhilco
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Warm-up Time11s
Heater Notes11 seconds warm-up time

Absolute Maximum Ratings

Plate Voltage22000 V
Grid 2 Voltage80 V
H-C Voltage200 V

Audio Performance

Key Features
  • Aluminized screen
  • Spherical faceplate
  • Non-ion trap gun
  • Internal shielding
  • Electrostatic focus
  • Magnetic deflection
  • HiGm tube
  • Low G2 voltage

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Cathode Drive16000 V————

Application Notes

Designed to operate in cathode drive service under Low G2 voltage conditions. X-ray radiation shielding may be necessary if operated above 16,000V.

Datasheets

Datasheet: 19DFP4.pdf

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

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