FMBT3906W Datasheet, PDF (5/10 Pages) Formosa MS – SMD PNP Transistor

Rating and characteristic curves (FMBT3906W)
TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE
VARIATIONS (VCE=-5.0Vdc, TA=25°C, Bandwidth=1.0Hz)
Fig. 7 Noise vs Frequency
5.0
SOURCE RESISTANCE=200 1/2
I_C = 1.0mA
4.0
SOURCE RESISTANCE=200 1/2
IC = 0.5mA
3.0
SOURCE RESISTANCE=2.0k
IC = 50uA
2.0
1.0
SOURCE RESISTANCE=2.0k
IC = 100uA
0
0.1
1.0
10
100
Frequency (kHz)
Fig. 8 Noise vs Source Resistance
12
f =1.0kHz
10
I_C = 1.0mA
I_C = 0.5mA
8
I_C = 100uA
6
4
I_C = 50uA
2
0
0.1
1.0
10
100
Source Resistance, Rg (kΩ)
(VCE=-10.0Vdc, TA=25°C, f=1.0kHz))
Fig. 9 Current Gain
300
200
100
50
30
0.1
0.5
1.0
5.0
10
Collector Current, Ic (mA)
Fig. 10 Input Impedance
100
50
20
10
5
0.1
0.5
1.0
5.0
10
Collector Current, Ic (mA)
Fig. 11 Input Impedance
20
10
7.0
2.0
1.0
0.5
0.2
0.1
0.5
1.0
5.0
10
Collector Current, Ic (mA)
Fig. 12 Voltage Feedback Ratio
10
5.0
2.0
1.0
0.5
0.1
0.5
1.0
5.0
10
Collector Current, Ic (mA)
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Page 5
Document ID Issued Date
DS-231132
2009/08/10
Revised Date Revision
2010/03/10
B
Page.
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