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SG2V

Sensibly equivalent to:
220VS PM12M S215VM SE220 VS24
    
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The SG2V is a directly heated vari-μ RF tetrode. The screw top cap was common in the early 1930's.
Lissen only briefly made their own valves, for most of the life of the name the valves were made for them. In the Tungsram data book from the 1930's the Lissen valves are listed in the equivalents table.
The metalised balloon envelope is 43 mm in diameter and, excluding the B4 base pins, is 110 mm tall.
References: 4063, 4064& 1043. Type SG2V was first introduced in 1932.

 

Pin Connections
B4
1
2
3
4
tc
g2
g1
f
f
a

 

Absolute Maximum Operating Conditions
Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
2.0
0.15
150
80
0
4.0
0.25
0.4M
1.2
Updated January 03, 2013.
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