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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

6287

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BrandSylvania
ClassPentode
BaseNoval (B9A)
Filament6.3 V @ 600 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeT-6 1/2
Base MaterialMiniature button 9 pin
SectionsSingle

Filament / Heater

Heater NotesSuitable for ac or dc

Absolute Maximum Ratings

Plate Voltage275 V
Plate Dissipation13.2 W
Grid 2 Voltage275 V
Grid 1 Voltage-116 V
Cathode Current85 mA
H-C Voltage200 V

Audio Performance

Typical THD9%
Power Output4.5 W
Key Features
  • Miniature audio beam-power pentode
  • Long life
  • Stable performance
  • High shock resistance
  • Vibration resistant

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Audio Amplifier250 V410055000—48 mA

Datasheets

Datasheet: 6287.pdf

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

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