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NR57 / CV1179 triode

Size This valve measures 111x42mm overall and has a B5 base.

This is an indirectly heated triode.

Filament voltage 4V
Filament current 1A
Max anode voltage 250V
Mutual conductance * 3.2mA/V
Amplification factor * 10.5
Anode impedance * 3,300 ohms
Cag 3.4pF
Cac 3.7pF
Cgc 7pF

*: At Va=200, Vg=-12

Pin Function
1 Anode
2 Grid
3 Heater
4 Heater
5 Cathode
NR57 / CV1179

Donated by Wim de Rotte

This file was last modified 14:44:43, Tuesday September 02, 2014