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CV1172

Sensibly equivalent to:
9A1 NR51 VP4A
    
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The CV1172 is a vari-μ HF pentode based on the Mullard VP4A. Pre CV it was known as the NR51.
Reference: Datasheet.

 

Pin Connections
B7
1
2
3
4
5
6
7
tc
m
g1
g3
h
h
k
g2
a

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
4.0
1.2
200
100
-1.5
4.25
1.8
1.4M
2.5
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 07, 2015.
shape:classic construction:pinch type:pentode age:1930.1940 base:b7 heater:4.0v pins:7 pin:1.m pin:2.g1 pin:3.g3 pin:4.h pin:5.h pin:6.k pin:7.g2 pin:tc.a
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