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A2637

 
    
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The A2637 is a shunt regulator triode designed to keep EHT voltages constant in colour TV receivers and similar equipment.
The GEC label indicates a product sold for professional equipment use.
The IO base cap and pins.
Thanks to Mark Mallison for sending the images.
The wide glass tube envelope is  mm in diameter, and excluding the IO base pins is  mm tall.
Reference: Data.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
k
h
nc
nc
g1
nc
h
nc
a

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
25k
-7.0
1.0
4.5M
0.65
Updated September 27, 2024.
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