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Philips A441N with
side connection |
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Tetrode
Introduced in 1925
1 |
2 |
3 |
4 |
5 |
base |
g1 |
f |
f |
g2 |
a |
B5G |
Vf |
Af |
Va |
Vg |
mAa |
Ra |
g |
gm |
4 |
0.08 |
2-20 |
-1.5 |
3.5 |
4,500 |
4.5 |
0.7 |
Equivalent |
410DG, BG4, DG407, DX406,
DM300, DZ1, MX40,
PM4DG, R43, RE074D, RO4141, TA41, TMBG, U409D |
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