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

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Tube-number record

6303

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BrandUNITED
ClassHigh-Vacuum Clipper Diode-Rectifier
Base4-pin

Construction

Primary TypeDiode
Rectifier TypeHigh-Vacuum
EnvelopeGlass
Base MaterialKovar Seal
SectionsSingle

Filament / Heater

MaterialBonded Thoria

Absolute Maximum Ratings

Plate Voltage33000 V
Plate Dissipation550 W
Cathode Current500 mA

Audio Performance

Key Features
  • Bonded Thoria Filament
  • Kovar top seal
  • Zirconium coated graphite anode
  • Withstands 300g shock
  • Designed for military electronic equipment

Application Notes

Designed to withstand severe shock and vibration in military electronic equipment while delivering high peak power. The zirconium coated graphite anode improves dissipation characteristics.

Datasheets

Datasheet: 6303.pdf

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

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