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CV1136

Sensibly equivalent to:
CV380 EF54 VR136
    
Extras ▼

 

The CV1136 is an HF pentode. The prototype was the RL7 and it became the commercial EF54. The RAF called it the VR136 before the CV register was introduced.
This example has a red painted can and this suggests a Mullard product. Unlike the US where the maker is displayed on government specification valves the UK convention was that the CV valves did not openly carry the maker's name.
The reverse carries no lettering.
Reference: Data-sheet.

 

Pin Connections
B9G
1
2
3
4
5
6
7
8
9
h
a
g2
k
k
g1
k
k
h

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
250
-1.7
10
1.45
0.5m
7.7
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 27, 2018.
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