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CV4058

Sensibly equivalent to:
6100 6C4WA CV133 M8080
    
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The CV4058 is a small RF power triode for HF and low VHF working. The commercial equivalent is the Type 6100 that is itself equivalent to the 6C4WA.
The KB/D identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the D identifies the maker as Mullard Radio Valve Co., Mitcham.
The thin glass tube envelope is 18 mm in diameter, and excluding the base pins is 47 mm tall.
References: Data-sheet & 1040 Type CV4058 was first introduced in 1956. See also 1956 adverts.

 

Pin Connections
B7G
1
2
3
4
5
6
7
a
ic
h
h
a
g1
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
mAa
gm
Pdriv
Pout
Pdiss
freq
f.max
6.3
0.15
250
10.5
2.2
0.35W
5.5W
5W
70
150
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 02, 2024.
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