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EF83


G8LSD Valve Collection
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This exhibit was last updated on 31 January 2013
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The EF83 is a variable-mu AF voltage amplifying pentode.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
References: Datasheet, 3002 & 1040. Type EF83 was first introduced in 1956.
 
Pin Connections
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k
h
h
a
ic
ic
g3,s
 
Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.2
250
50
-1.6
4.0
1.15
0.5M
1.6

Thanks to Frank Philipse for supplying the above PDF datasheet