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

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Tube-number record

SC-3179

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BrandSylvania
ClassCathode-Ray Tube
BaseNoval (B9A)
Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRound Glass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage12500 V
Grid 2 Voltage500 V
Grid 1 Voltage-100 V
H-C Voltage180 V

Audio Performance

Key Features
  • Short length
  • Electrostatic focus
  • Magnetic deflection
  • Off-axis neck
  • Aluminized screen
  • Low grid drive

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radar Indicator Sector-Scan8000 V————

Application Notes

Intended for sector-scan radar applications. Features small neck diameter for lightweight, efficient deflection yokes.

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