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VR54

Sensibly equivalent to:
1638 ARDD5 CV1054 EB34 OM3
    
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The VR54 is a signal double diode. Our exhibit is also marked with the old stores code of 10E/11400. The VR54 is equivalent to the commercial EB34.
The glass envelope has been screened with a red metallic paint..
The RCA trade name of Radiotron ans Made in USA appear on the base.
The base also carries the designation 1638.
The wide glass tube envelope is 28 mm in diameter, and excluding the IO base pins, is 62 mm tall.
References: Datasheet, 4001, 4039, 1040, & 1043. Type VR54 was first introduced in 1941.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a(2)
k(2)
a(1)
-
h
k(1)

 

Absolute Maximum Operating Conditions
Diode
Vh
Ah
Va
mAa
6.3
0.2
200
0.8
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 28, 2015.
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