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VR92

Sensibly equivalent to:
CV1092 EA50
See also:
The Famous EF50 of WWII
    
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The VR92 is a miniature signal diode equivalent to the commercial EA50. The VR designation indicates a pre WWII RAF service code.
This diode was originally developed for television signal demodulation.
The tiny anode is almost flat with a central cylindrical space for the cathode.
The thin glass tube envelope is 11 mm in diameter and, excluding the B3G base pins, is 40 mm tall.
References: Datasheet & 1040. Type VR92 was first introduced in 1939.

 

Pin Connections
B3G
1
2
3
tc
h
k
h
a

 

Absolute Maximum Operating Conditions
Diode
Vh
Ah
Va
mAa
6.3
0.15
50
5.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December05, 2012.
shape:thin.glass.tube construction:all.glass type:diode age:1930.1940 base:b3g heater:6.3v pins:3 pin:1.h pin:2.k pin:3.h pin:tc.a
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