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21DJP4

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BrandSylvania
ClassTelevision Picture Tube
BaseSmall Shell Duodecal 6-Pin
Filament6.3V @ 0.3mA

Construction

Primary TypeCRT
EnvelopeJ171D or JI71E
Base MaterialPlastic
Sections1

Filament / Heater

Heater NotesHeater warm-up time 11 seconds

Absolute Maximum Ratings

Plate Voltage22000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage200 V

Audio Performance

Key Features
  • Electrostatic Focusing
  • Magnetic Deflection
  • Aluminized P4 Phosphor
  • No Ion Trap
  • Gray Filter Glass

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical16000V----

Application Notes

X-ray radiation shielding may be necessary for protection if operated above 16,000 volts. External conductive coating must be grounded.

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