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21CQP4

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BrandSylvania
ClassTelevision Picture Tube
BaseBG-185
Filament6.3V @ 600mA

Construction

Primary Type21" Direct Viewed Rectangular Glass Type
EnvelopeGlass
Sections1

Filament / Heater

Warm-up Time11s
Heater NotesHeater current: 0.6 +/- 5% Ampere

Absolute Maximum Ratings

Plate Voltage19800 V
Grid 2 Voltage550 V
Grid 1 Voltage-154 V
H-C Voltage200 V

Audio Performance

Key Features
  • Electrostatic Focus
  • 110° Magnetic Deflection
  • Aluminized Screen
  • Gray Filter Glass
  • No Ion Trap
  • External Conductive Coating
  • Lightweight Tube
  • Spherical Faceplate

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation16000V----

Application Notes

X-ray radiation shielding may be necessary if operated at higher than 16,000V. Visual extinction of focused raster is used for cutoff.

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