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CV1891 double diode pentode

Size
This valve measures 112x40mm overall and has a USS7 base

Heater voltage6.3V
Heater current300mA
Max anode voltage250V
Max screen voltage125V
Mutual conductance *1.1mA/V
Capacitances
Cag max0.007pF
Cin3.6pF
Cout9.5pF

*: At Va=250V, Vg2=100V, Vg1=-3V
PinFunction
1Heater
2Anode
3Screen grid
4Diode 2
5Diode 1
6Cathode
7Heater
TCControl grid

CV1891