5963
4 Tubes in archive
BrandSylvania
ClassMedium-mu twin triode
BaseE9-1
Filament12.6V @ 150mA
Construction
Primary TypeTwin triode
EnvelopeT-6 1/2
Base MaterialSmall Button 9-pin
Sections2
Filament / Heater
Heater NotesSeries or Parallel operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 1 Voltage-100 V
Cathode Current20 mA
H-C Voltage90 V
Audio Performance
Key Features
- Miniature, medium-mu twin triode
- Designed for long life computer applications
- Unipotential cathode
- Pure Tungsten heater
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section | 67.5V | 3200 | 6600 | 21 | 8.5mA |
| Computer Service - Zero Bias Condition | 150V | - | 20000 | - | 5.1mA |
| Computer Service - Cutoff Condition | 150V | - | 20000 | - | - |
Application Notes
The Sylvania Type 5963 is a miniature, medium-mu twin triode designed for long life computer applications.
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