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Tube-number record

6946

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BrandSylvania
ClassPremium Subminiature Medium-Mu Triode
BaseSubminiature
Filament6.3 V @ 175 mA

Construction

Primary TypeTriode
EnvelopeT3 (JEDEC 3-11)
Base MaterialSubminiature Button
SectionsSingle

Filament / Heater

Heater NotesTube life and reliability of performance are directly related to the degree of regulation of the heater voltage.

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation1.5 W
Grid 1 Voltage-55 V
Cathode Current15 mA
H-C Voltage200 V

Audio Performance

Key Features
  • Guided missile service
  • Extraordinary freedom from interelement short circuits
  • High resistance to interelement leakage
  • Stable performance
  • Reliable operation under mechanical shock and vibration

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation100 V3800—16.59 mA

Application Notes

The 6946 is a general purpose medium-mu triode designed specifically for guided missile service at high altitudes and under severe conditions of mechanical shock and vibration.

Datasheets

Datasheet: 6946.pdf

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

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