LMBT3904WT1 Datasheet, PDF (9/11 Pages) Leshan Radio Company – General Purpose Transistors

LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1 PNP LMBT3906WT1
LMBT3906WT1
TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(V _CE = –5.0 Vdc, T _A = 25°C, Bandwidth = 1.0 Hz)
5.0
SOURCE RESISTANCE= 200Ω
I _C = 1.0 mA
4.0
SOURCE RESISTANCE= 200 Ω
I _C = 0.5 mA
3.0
SOURCE RESISTANCE =2.0kΩ
I _C = 50 µA
14
f = 1.0 kHz
12
10
8
I _C = 1.0 mA
I = 0.5 mA
C
2.0
6
SOURCE RESISTANCE= 2.0kΩ
1.0
I _C = 100 µA
0
0.1
0.2 0.4
1.0 2.0 4.0
LMBT3906WT1
10 20 40
100
4
2
0
0.1
f, FREQUENCY (kHz)
Figure 25
h PARAMETERS
I _C = 50 µA
I _C = 100 µA
LMBT3906WT1
0.2 0.4
1.0 2.0 4.0
10 20 40
100
R _S , SOURCE RESISTANCE (kΩ)
Figure 26
(V _CE = –10 Vdc, f = 1.0 kHz, T _A = 25°C)
300
100
LMBT3906WT1
70
LMBT3906WT1
200
50
30
20
100
70
50
30
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
I _C , COLLECTOR CURRENT (mA)
Figure 27. Current Gain
10
7.0
5.0
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0 7.0 10
I _C , COLLECTOR CURRENT (mA)
Figure 28. Output Admittance
20
LMBT3906WT1
10
5.0
2.0
1.0
0.5
0.2
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
I _C , COLLECTOR CURRENT (mA)
Figure 29. Input Impedance
10
LMBT3906WT1
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
I _C , COLLECTOR CURRENT (mA)
Figure 30. Voltage Feedback Ratio
LMBT3904/6WT1-9/11