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VP22

 
    
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The VP22 is a directly heated battery variable-mu pentode and features the Mazda Octal base. The MO base (also known as the British Octal) was established as a rival to the American International Octal base.
The reverse has been left plain.
The classic envelope is 32 mm in diameter, and excluding the MO base pins, is 81 mm tall.
References: Data-sheet, 1040 & 1043. Type VP22 was first introduced in 1938.

 

Pin Connections
MO
1
2
3
4
5
6
7
8
tc
f
-
a
g2
g3
m
-
f
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
2.0
0.1
120
60
-1.5
1.2
0.32
1.3M
0.8
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated May 17, 2021.
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