6690
0 Tubes in archive
BrandPhilco
ClassDouble Triode
BaseSubminiature 8-pin flexible leads
Filament6.3V @ 300mA
Construction
Primary TypeDouble Triode
EnvelopeT-3
Sections2
Filament / Heater
Heater NotesHeater current value corrected from typical 6690 JEDEC data (OCR suggests 700ma)
Absolute Maximum Ratings
Plate Voltage120 V
Plate Dissipation1 W
Grid 1 Voltage-55 V
H-C Voltage200 V
Audio Performance
Key Features
- Short subminiature
- Medium-mu
- Video region operation
- Severe environmental conditions resistant
- Mechanical shock resistant
- High acceleration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 100V | 4800 | 9375 | 45 | 8mA |
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results