Advertising poster for the Valvo
H4080D |
|
|
Tetrode
Introduced in
1929
1 |
2 |
3 |
4 |
5 |
top |
base |
g2 |
f |
f |
g1 |
k,s |
a |
B5 |
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
ra |
gm |
4 |
1.1 |
200 |
60 |
-2 |
4 |
0.5 |
400,000 |
0.62 |
Equivalent |
4610, 5-442,
AS494, DN2004, DW6,
E442, H4100D, I4091,
IS3, MS4,
NC4, RENS1204,
RS4142, S4150, S4V,
SCN4, W409 |
|