▼ Menu

EF71

Sensibly equivalent to:
CV475
    
Extras ▼
The EF71 is a sub-miniature variable-μ RF pentode. Type EF71 was first introduced in 1950. See also 1950 adverts.

 

Pin Connections
B8D & B8D/F
1
2
3
4
5
6
7
8
g1
k,g3
h
k,g3
a
h
g2
k,g3

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.15
100
100
-1.2
7.2
2.2
0.26M
4.5
PDF scanned from an original document held by the museum
Updated August 25, 2019.
Return to Main Index