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NR52

Sensibly equivalent to:
354V CV1173
See also:
CV1173 short entry
    
Extras ▼

 

The NR52 has a magnificent gold metalised finish. It is a British Navy receiving valve whose commercial equivalent is a Mullard 354V triode, a design that dates from 1932. The μ for this valve was 40.
The CV designation for the NR52 is CV1173.
The classic envelope is 40 mm in diameter and, excluding the B5 base pins, is 90 mm tall.
References: Datasheet & 1043. Type NR52 was first introduced in 1929.

 

Pin Connections
B5
1
2
3
4
5
a
g1
h
h
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
ra
gm
4.0
0.65
250
11,500
3.5
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 07, 2015.
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