BCR400W Datasheet, PDF (3/7 Pages) Siemens Semiconductor Group – Active Bias Controller (Supplies stable bias current even at low battery voltage and extreme ambient temperature variation)

BCR400W
Collector current I_C = f (h_FE)
I_C and h_FE refer to stabilized NPN Transistor

Parameter R_ext. ( )
10 ³
Collector Current I_C = f (V_S)
of stabilized NPN Transistor

Parameter R_ext. ( )
10 ³
mA
mA
2.1
5.9
10 ²
5.9
10 ²
12.4
67
10 ¹
10 ¹
67
760
10 ⁰
760
10 ⁰
4.3k
10 ^-1
0
50 100 150 200 250 ^-
350
h_FE
Voltage drop V_drop = f (I_C)
10 ^-1
0
2
4
6
8
Collector current I_C = f (R_ext.)
of stabilized NPN Transistor
V
11
V_S
10 ³
2
V
mA
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.510 -2
10 ^-1
10 ⁰
10 ¹
10 ^{2 mA}10 ³
I_C
10 ²
10 ¹
10 ⁰
10
-1
10
0
10 ¹
10 ²
10 ^{3 Ohm}10 ⁴
R_ext.
3
Aug-07-2001