TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube-number record

6948

0 archive entries

BrandSylvania
ClassHigh-Mu Double Triode
BaseSubminiature
Filament6.3 V @ 350 mA

Construction

Primary TypeDual triode
EnvelopeT-3
Sections2

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation0.5 W
Grid 1 Voltage-55 V
Cathode Current10 mA
H-C Voltage200 V

Audio Performance

Key Features
  • General purpose high-mu double triode
  • Designed specifically for guided-missile service
  • Characterized by extraordinary freedom from interelement short circuits
  • High resistance to interelement leakage
  • Stable performance under severe conditions of mechanical shock, vibration and high temperature
  • Meets applicable specification for reliable operation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Resistance Coupled Amplifier100 V165042424.24700.8 mA

Application Notes

Intended primarily for application as a low level, resistance coupled amplifier. Yields voltage gain of approximately 50 per section. Characterized by stability and reliability in military/missile environments. Life expectancy is high under severe environmental conditions.

Datasheets

Datasheet: 6948.pdf

Download PDF
Loading datasheet...

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

Filters

0 tubes found

Manufacturers

Brands

    0 results