LMBT3904WT1 Datasheet, PDF (5/11 Pages) Leshan Radio Company – General Purpose Transistors

LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1 PNP LMBT3906WT1
LMBT3904WT1
500
300
I _C /I _B = 10
200
100
70
t _r @V _CC=3.0V
50
30
40 V
20
10 _LMBT3904WT1
7
5
t _d@V _OB=0V
1.0
2.0 3.0 5.0 7.0 10
20 30
15 V
2.0 V
50 70 100 200
I _C , COLLECTOR CURRENT (mA)
Figure 5. Turn–On Time
500
300
200 I _C /I _B = 20
I _C /I _B = 10
100
70
50
30
20
t’_s= t_s –1/8t _f
I_B1 = I_B2
I _C /I _B = 20
I _C /I _B = 10
10
LMBT3904WT1
7
5
1.0
2.0 3.0 5.0 7.0 10
20 30 50 70 100 200
I _C , COLLECTOR CURRENT (mA)
Figure 7. Storage Time
500
300
V _CC = 40 V
200
I _C /I _B = 10
100
70
50
30
20
10
7
5
1.0
LMBT3904WT1
2.0 3.0 5.0 7.0 10
20 30 50 70 100 200
I _C , COLLECTOR CURRENT (mA)
Figure 6. Rise Time
500
300
V _CC=40V
200
I _B1 = I _B2
I _C /I _B = 20
100
70
50
30
I _C /I _B = 10
20
10
7
5
1.0
LMBT3904WT1
2.0 3.0 5.0 7.0 10
20 30 50 70 100 200
I _C , COLLECTOR CURRENT (mA)
Figure 8. Fall Time
TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(V = 5.0 Vdc, T = 25°C, Bandwidth = 1.0 Hz)
CE
A
12
SOURCE RESISTANCE= 200Ω
10
I _C = 1.0 mA
8
SOURCE RESISTANCE= 200 Ω
I _C = 0.5 mA
6
SOURCE RESISTANCE =1.0kΩ
4
I _C = 50 µA
2 _{SOURCE RESISTANCE= 500Ω}
0
I _C = 100 µA
0.1 0.2 0.4
1.0 2.0 4.0
LMBT3904WT1
10 20 40
100
14
12 ^{f = 1.0 kHz I C = 1.0 mA}
10
I _C = 0.5 mA
8
6
4
2
0
0.1
0.2 0.4
1.0 2.0 4.0
I _C = 50 µA
I _C = 100 µA
LMBT3904WT1
10 20 40
100
f, FREQUENCY (kHz)
Figure 9. Noise Figure
R _S , SOURCE RESISTANCE (kΩ)
Figure 10. Noise Figure
LMBT3904/6WT1-5/11