Tube-number record
6948
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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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Resistance Coupled Amplifier | 100 V | 1650 | 42424.24 | 70 | 0.8 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 PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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