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CV4064

Sensibly equivalent to:
CV2209 S6F33
    
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The CV4064 is an RF pentode and has a commercial designation of S6F33. The 'S' signifies a rugged version of the 6F33.
The structure is open with the anode being formed by two small plates that are strapped together.
The KB/FE identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the FE identifies the maker as STC, Oldway (Additional to Paignton factory 'F').
The maximum anode dissipation is 3 Watts and the screen grid dissipation is up to 1.5 Watts.
The thin glass tube envelope is 18 mm in diameter, and excluding the base pins is 44 mm tall.
Reference: Data-sheet. Type CV4064 was first introduced in 1956. See also 1956 adverts.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g3,a(d)
g2

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
6.3
0.35
300
300
-
-
-
4.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 02, 2024.
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