▼ Menu

SG215

Sensibly equivalent to:
CV3702
See also:
Lissen PT225 Advert
    
Extras ▼

 

The Lissen SG215 tetrode was introduced in 1929 with a screw top cap. It is a screen grid or tetrode valve for RF amplification in battery operated broadcast receivers.
It was made in both clear - for using an external screening can - and metallised versions - integral screening as here.
The reverse is plain zinc loaded paint.
The balloon envelope is 45 mm in diameter and, excluding the B4 base pins, is 114 mm tall.
Reference: Data. Type SG215 was first introduced in 1928. See also 1928 adverts.

 

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
60
-
1.5
0.25
0.9M
1.1
Updated August 30, 2024.
Return to Main Index