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CV2578 double triode

Size This valve measures 55x19mm overall and has a B9A base

This is a general purpose medium-mu double triode.

Heater voltage 12.6V / 6.3V
Heater currrent 450mA / 900mA
Max anode voltage 300V
Max PIV 1000V
Max anode dissipation 4.5W
Max total dissipation (both sides) 7.5W
Max bulb temperature 220C
Max grid current 6mA

 

Pin Function
1 Anode "
2 Grid "
3 Cathode "
4 Heater
5 Heater
6 Cathode '
7 Grid '
8 Heater centre tap
9 Anode '
CV2578