Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3
5965
- Brand
- Telefunken
Tube-number record
5965
1 archive entry
BrandSylvania
ClassMiniature twin triode
BaseNoval (B9A)
Filament6.3 V @ 0.45 mA
Construction
Primary TypeTriode
EnvelopeT-6 1/2
Base MaterialGlass
SectionsTwin
Filament / Heater
Heater NotesSeries or parallel operation
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.2 W
Cathode Current15 mA
H-C Voltage180 V
Audio Performance
Key Features
- High-speed digital computer service
- High zero bias plate current
- Sharp cut-off characteristic
- Separate cathode connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics (Each Section) | 150 V | 6500 | 7250 | 47 | 8.2 mA |
| Computer Service - On Condition | 150 V | — | — | — | 10.5 mA |
| Computer Service - Off Condition | 150 V | — | — | — |
Application Notes
Section 1 connects to pins 6, 7 and 8. Section 2 connects to pins 1, 2 and 3.
Datasheets
Datasheet: 5965.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.