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ARP13

Sensibly equivalent to:
210VPT CV1083 CV1332 NR41 VP21 VP210 VR83
    
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The old Army service code is ARP13 and this valve also carries the maker's name. After 1941 it was renamed the CV1332. It is a vari-μ HF pentode based on the 210VPT and the VP21.
The reverse carries the up arrow and letters W D for War Department.
The classic envelope is 39 mm in diameter and, excluding the B7 base pins, is 108 mm tall.
Reference: Data-sheet.

 

Pin Connections
B7
1
2
3
4
5
6
7
tc
m
g1
g3
f
f
-
g2
a

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
2.0
0.1
150
80
0
2.9
0.75
0.6M
1.1
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated August 03, 2020.
shape:classic construction:pinch type:pentode age:1930.1940 base:b7 heater:2.0v pins:7 pin:1.m pin:2.g1 pin:3.g3 pin:4.f pin:5.f pin:6.- pin:7.g2 pin:tc.a
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