MBT3946DW Datasheet, PDF (9/11 Pages) List of Unclassifed Manufacturers – Dual General Purpose Transistor

MBT3946DW
(PNP)
TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE VARIATIONS
(VCE= -5.0 Vdc, TA= 25 C, Bandwidth= 1.0Hz)
5.0
SOURCE RESISTANCE=200½
IC=1.0 mA
4.0
SOURCE RESISTANCE=200½
IC=0.5 mA
3.0
SOURCE RESISTANCE=2.0 k
IC=50 µA
2.0
1.0 SOURCE RESISTANCE=2.0 k
IC=100 µA
0
0.1 0.2 0.4
1.0 2.0 4.0
10 20 40
100
f FREQUENCY (kHZ)
Figure 25.
12
f=1.0 kHz
10
IC=1.0mA
IC=0.5mA
8
6
IC=100µA
4
IC=50µA
2
0
0.1 0.2 0.4
1.0 2.0 4.0
10 20 40
100
Rg SOURCE RESISTANCE (k OHMS)
Figure 26.
300
200
100
70
50
30
0.1
h PARAMETERS
(VCE= -10 Vdc, f= 1.0 kHz, TA= 25 C)
100
70
50
30
20
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 1.0
IC COLLECTOR CURRENT (mA)
Figure 27. Current Gain
10
7
5
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0
IC COLLECTOR CURRENT(mA)
Figure 28. Input Impedance
5.0 7.0 1.0
20
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
IC COLLECTOR CURRENT (MA)
Figure 29. Input Impedance
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0
IC COLLECTOR CURRENT (mA)
Figure 30. Votage Feeback Ratio
5.0 7.0 10
WEITRON
http://www.weitron.com.tw