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EF94

Sensibly equivalent to:
6AU6 CV2524
    
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Mullard describe the EF94 as an RF pentode, suggesting use up to 50 MHz. Mullard also made the 6AU6 which the data suggests is identical.
We also have an EF94 with white lettering.
The thin glass tube envelope is 17 mm in diameter and excluding the B7G base pins, is 47 mm tall.
References: Data-sheet & 1040.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
150
-4.0
10.6
4.3
1.0M
5.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 02, 2015.
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