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12/03HB

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BrandFerranti
ClassRadar Display Tube
BaseB12A (Duodecal)
Filament6.3V @ 300mA

Construction

Primary TypeCRT
EnvelopeMetal backed screen glass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesWhen used for series operation, surge heater voltage should not exceed 9.5 V r.m.s.

Absolute Maximum Ratings

Plate Voltage15000 V
Grid 2 Voltage500 V
H-C Voltage200 V

Audio Performance

Key Features
  • 12in diameter
  • Metal backed screen
  • Magnetic deflection
  • Low voltage electrostatic focus
  • External conductive coating

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radar Display12000V----

Application Notes

This screen material is liable to burn if operated with a spot which is stationary or slow moving. The tube should not be operated under such conditions, even at low beam current.

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