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58

Sensibly equivalent to:
6D6 CV613
    
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The Type 58 is a variable μ RF and IF pentode for use in superhet radio receivers and dates from the late 1930s. Electrically it is identical to the 6D6 and the 6U7G.
The black base is 29 mm in diameter.
The classic envelope is 38 mm in diameter, and excluding the UX6 base pins is 102 mm tall.
References: Datasheet, 1040 & 1043. Type 58 was first introduced in 1936.

 

Pin Connections
UX6
1
2
3
4
5
6
tc
h
a
g2
g3
k
h
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
2.5
1.0
250
100
-3.0
8.2
2.0
0.8M
1.6
2.0W
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 03, 2013.
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