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6SA7GT

 
See also:
Pentagrid Converters
    
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The 6SA7GT is an interesting exhibit as it has an American type designation but is made by Mullard. As a heptode it was designed as a self oscillating mixer for radio reception.
The wide glass tube envelope is 28 mm in diameter and, excluding the IO base pins, is 68 mm tall.
References: Datasheet & 1043. Type 6SA7GT was first introduced in 1940.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a
g2,g4
g1
k,g5
h
g3

 

Absolute Maximum Operating Conditions
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
100
-2
3.5
8.5
1M
0.45
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 31, 2013.
shape:wide.glass.tube construction:pinch type:heptode age:1940.1950 base:io heater:6.3v pins:8 pin:1.m pin:2.h pin:3.a pin:4.g2.g4 pin:5.g1 pin:6.k.g5 pin:7.h pin:8.g3
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