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CV5325

Sensibly equivalent to:
CV5060 Z759S Z759
    
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The CV5325 looks to be a special version of the CV5060 which in turn is commercially the Z759 high mutual conductance pentode. The original pentode was designed for video or other wideband RF amplification.
The KB/Z identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the Z identifies the maker as MO Valve Company, Hammersmith.
The internal coating prevents inspection of the inner structure.
The thin glass tube envelope is 21 mm in diameter, and excluding the B9A base pins is 48 mm tall.
Reference: Data-sheet.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
k
g1
k
nc
h
h
a
g2
g3,s

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
6.3
0.6
250
250
-2
20.0
5.5
0.5M
15.0
5W
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 23, 2025.
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