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VT-288

Sensibly equivalent to:
12SH7
See also:
Metal Striptease
    
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The 6SH7 type was designed for wideband RF and IF amplification and has a relatively high gm value to ensure a good gain-bandwidth product.
The 12SH7 differs only in heater requirement and was made for vehicle based equipment. The US Government used these valves and their specification was as Type VT-288. VT being Vacuum Tube.
The RCA logo and Made in USA.
The thin metal tube envelope is 25 mm in diameter and, excluding the IO base pins, is 51 mm tall.
Reference: 1043.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
12.6
0.15
250
150
-1.5
10.8
4.1
0.9M
4.9
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 13, 2017.
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