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BVA132

Sensibly equivalent to:
HL23DD
See also:
BVA Valves
    
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The BVA132 is a battery double diode triode that has a very low filament consumption. It would have been used for detection, AGC detection and first audio amplification in radio receivers specifically the civilian receivers made during WWII in the UK.
The reverse of the envelope is plain zinc paint.
The classic envelope is 32 mm in diameter and, excluding the MO base pins, is 81 mm tall.
References: Datasheet, 1040 & 1043. Type BVA132 was first introduced in 1938.

 

Pin Connections
MO
1
2
3
4
5
6
7
8
tc
f(-)
-
a
-
a(d2)
m
a(d1)
f+
g1

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.05
150
-2.8
1.5
24,000
1.05
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 22, 2014.
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