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CV1331

Sensibly equivalent to:
ARP12 CV1083 CV3792 VP22 VP23
See also:
Observations an the ARP12
    
Extras ▼

 

The CV1331 is a battery operated variable μ screened pentode. It was used as an RF or IF amplifier in portable radio receivers/transmitters. The direct commercial equivalent is the Mazda VP23.
The wide glass tube envelope is 29 mm in diameter and, excluding the MO base pins, is 81 mm tall.
References: Datasheet & 1043. Type CV1331 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
0.05
120
60
-1.5
1.45
0.5
1.45M
1.08
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 06, 2014.
shape:wide.glass.tube construction:pinch type:pentode age:1930.1940 base:mo heater:2.0v pins:8 pin:1.f pin:2.- pin:3.a pin:4.g2 pin:5.g3 pin:6.m pin:7.- pin:8.f pin:tc.g1
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