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X76

Sensibly equivalent to:
12K8G
    
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The X76 is a frequency changer designed for series heater chains.
The osram identification and the wire connecting the base to the external metal screening paint.
The wide glass tube envelope is 29 mm in diameter, and excluding the IO base pins is 87 mm tall.
References: 1040 & 1043. Type X76 was first introduced in 1946.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2,g4
g1(t),g3
a(t)
h
k
g1

 

Absolute Maximum Operating Conditions
Hexode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
13
0.16
175
70
-3
4.0
3.0
0.7M
0.62

 

Absolute Maximum Operating Conditions
Triode
Va
Vg
mAa
100
-
3.5
Updated April 14, 2013.
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