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6V4

Sensibly equivalent to:
CV1535 EZ80
    
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The 6V4 is a small full wave rectifier. Zaerix re-branded valves from Eastern Europe and their origins were rarely known. This valve is different.
The rear of the envelope proudly proclaims that it was made in Poland.
The thin glass tube envelope is 22 mm in diameter and, excluding the B9A base pins, is 62 mm tall.
References: Datasheet & 1040. Type 6V4 was first introduced in 1954.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(2)
ic
k
h
h
ic
a(1)
ic
ic

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
6.3
0.6
325
70
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 26, 2013.
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