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NR87 double diode output pentode

Size
This valve measures 140x53mm overall and has a B7 base

Heater voltage4.0V
Heater current2.0A
Max anode voltage250V
Max screen voltage250V
Mutual conductance *9.0mA/V
Capacitances
Cae9.75pF
Cge18.5pF
Cag0.9pF
Cd1e4.25pF
Cd2e4.0pF
Cd1d20.15pF

*: At Va=100, Vg2=100, Vg1=0
PinFunction
1Diode 1
2Anode
3Diode 2
4Heater
5Heater
6Cathode
7Screen grid
TCControl grid

NR87

This file was last modified20:03:53, Saturday February 07, 2015