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6SA7

Sensibly equivalent to:
5961 CV1966 VT-150
See also:
Pentagrid Converters
    
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The 6SA7 is a heptode designed as a self oscillating mixer for radio reception. This exhibit is the original metal version. The heptode is known in America as a Pentagrid converter.
North American origins.
The thin metal tube envelope is 25 mm in diameter and, excluding the IO base pins, is 50 mm tall.
References: Datasheet, 1040 & 1043. Type 6SA7 was first introduced in 1937.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m,g5
h
a
g2,g4
g1
k
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 February 26, 2013.
shape:thin.metal.tube construction:pinch type:heptode age:1930.1940 base:io heater:6.3v pins:8 pin:1.m.g5 pin:2.h pin:3.a pin:4.g2.g4 pin:5.g1 pin:6.k pin:7.h pin:8.g3
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