Virtual Valve Museum

Virtual Valve Museum
HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

CV1249 / NT86 silica triode

Size
 This valve measures 280x110mm overall

Filament voltage10.5V
Filament current100A
Max anode voltage20kV
max anode dissipation150W
Total emission90A
Amplification factor11
Typical operating conditions
Anode voltage5kV
Grid voltage-100V
Anode current2A
Mutual conductance10.0mA/V
Anode impedance1.1kΩ

Connections: Filament at one end, grid and anode the other.

Quarter view Quarter view 		CV1249 / NT86