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A950 HF tetrode

Size
This valve measures 122x40mm overall and has a 7-pin B7 base

This is listed as a KTZ41 made for EMI with a 13V heater (data is from CV1191 which is based on the KTZ41 but with the modified heater characteristics shown)

Heater voltage13V
Heater current450mA
Grid voltage *-2.5V
Screen voltage250V
Screen current *2.3mA
Anode voltage250V
Anode current **8mA
Mutual conductance *7.5mA/V
Impedance *1M ohm
Anode dissipation
Capacitances
Cag0.008pF
Cae10.5pF
Cge14.0pF

*: at Va=250, Vg2=250, Ia=8mA
**: at Va=250, Vg2=250, Vg=-2.5
PinFunction
1n/c
2Anode
3n/c
4Heater
5Heater
6Cathode
7Screen grid
TCControl grid

A950

This file was last modified23:08:09, Friday November 02, 2012