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VP41

Sensibly equivalent to:
AC/VP2 CV21 CV1414 MVSPenB W42
See also:
Ediswan Advert, December 1948
    
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The VP41 is a variable-mu RF amplifier pentode from Mazda on the MO base that Mazda called the British Octal. Although released in 1938 Mazda were still advertising it in 1948 when the world was moving to smaller all glass valves.
The reverse is plain zinc paint screening.
The classic envelope is 32 mm in diameter and, excluding the MO base pins, is 91 mm tall.
References: Datasheet, 1040 & 1043. Type VP41 was first introduced in 1938.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
4.0
0.65
250
200
-2.7
7.7
2.0
1.3M
2.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated September 28, 2018.
shape:classic construction:pinch type:pentode age:1930.1940 base:mo heater:4.0v pins:8 pin:1.h pin:2.k pin:3.a pin:4.g2 pin:5.g3 pin:6.m pin:7.- pin:8.h pin:tc.g1
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