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AR4101

 
See also:
Tungsram Symphonic Range Advert - The Azide Process
    
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The Tungsram AR4101 dates to 1931 and is a medium-μ triode. Tungsram in their 'Symphonic' range advert suggest the AR4101 is used as a detector. This would be in a straight or TRF receiver.
The reverse of the metalised envelope carries the words Made in Hungary.
The dome carries the identification and the fact that this is a Barium Tube ie made by the Azide process.
The balloon envelope is 45 mm in diameter, and excluding the B5 base pins is 92 mm tall.
Reference: 1043. Type AR4101 was first introduced in 1931.

 

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
1.0
200
-2.0
2.5
13,000
3.0
Updated October 12, 2016.
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