|
|
 |
 |
| B5
base |
B7 base |
Output pentode
Introduced in 1931 (B7: 1933, Catkin: 1933)
| 1 |
2 |
3 |
4 |
5 |
sc |
base |
| a |
f |
f |
g1 |
k,g3 |
g2 |
B5 |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
base |
| - |
g1 |
g2 |
f |
f |
k,g3 |
a |
B7 |
|
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
ra |
gm |
Pdiss |
Pout |
|
4 |
1 |
250 |
200 |
-9 |
32 |
5* |
40,000 |
3 |
|
8 |
*) Catkin: 6
| Equivalent |
5-453,
APP4120, DW9,
E453, L4150D,
MP/PEN, MPT4,
PEN4VX, RENS1374, RS4353,
S100, TE534 |
|
