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CV2101

Sensibly equivalent to:
CV2371 DF72
    
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The CV2101 is a sub-miniature battery RF pentode with flying leads. The commercial equivalent is the DF72.
The control grid passes flat across the filament the other two grids are helical.
The thin glass tube envelope is 9 mm in diameter and, excluding the B8D base wires, is 39 mm tall.
Reference: Data-sheet. Type CV2101 was first introduced in 1956. See also 1956 adverts.

 

Pin Connections
B8D & B8D/F
1
2
3
4
5
6
7
8
ic
g1
nc
f-
f+,g3
nc
a
g2

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
1.25
0.025
100
100
0
2.0
0.55
1.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 27, 2024.
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