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V453

Sensibly equivalent to:
5A/208D
    
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The V453 is a straight amplifier pentode. It has the British 1930s standard 4.0 Volt heater but at less than the standard 1.0 Amp but was introduced in the mid to late 1940's.
The classic envelope is 32 mm in diameter and, excluding the MO base pins, is 90 mm tall.
References: Data-sheet, 1040 & 1043. Type V453 was first introduced in 1948.

 

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
gm
4.0
0.65
250
100
-1.75
4.5
0.8
2.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 06, 2020.
shape:classic construction:pinch type:pentode age:1940.1950 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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