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Philips UCH21 |
Telam UCH21 |
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Tesla UCH21 |
Państwową
Wytwórnię Lamp Radiowych (PWLR, Poland)
UCH21 |
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Triode-heptode
Introduced in 1941
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
m |
base |
| f |
aH |
aT |
gT |
g2, g4 |
g1 |
g3 |
f |
k,g5,s |
B8B
Loctal |
| |
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
Ri |
gm |
| Heptode |
20 |
0.1 |
200 |
100 |
-2 |
3.5 |
6.5 |
1,000,000 |
0.75 |
| Triode |
|
|
120 |
|
|
4.1 |
|
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