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354V

Sensibly equivalent to:
41MTL AC/HL AR17 CV399 CV1037 D4 HL4 NR31 NR52 VR37
See also:
CV1173 short entry
    
Extras ▼

 

This 354V from Mullard has a balloon envelope and a horizontally mounted box anode assembly obscured by the silvering inside the glass.
The original 354V triode dates from 1929 and in 1935 the heater current requirement was reduced to 0.65 Amp. The 354V was the successor to the 484V.
The balloon envelope is 50 mm in diameter and, excluding the B5 base pins, is 92 mm tall.
References: Datasheet, 4023, 4024, 4048 & 1043. Type 354V 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
Vg
mAa
ra
gm
4.0
0.65
250
-4.5
6.5
11,500
3.5
PDF scanned from an original document held by the museum
Updated April 07, 2015.
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