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Philips A442 (short base, 115
mm) |
Philips A442 (normal version, 130 mm) |
Philips A442K (1932, 125 mm)
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Tetrode
Introduced in 1927
|
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
Ra |
gm |
| 4 |
0.06 |
200 |
100 |
-1 |
4 |
0.8 |
400,000 |
0.7 |
| Equivalents |
1-442, 410SG, A2004, C150, DZ2, G406,
G442, H406D, L409, PM14, RES094, RO4142, S4066, S410,
SX406, TA42, VH300 |
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|
Advertisement for the A442 radio valve in Radio Expres,
February 3rd, 1928 |
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