MMBT3904WT1 데이터 시트보기 (PDF) - ON Semiconductor
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MMBT3904WT1 Datasheet PDF : 12 Pages
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MMBT3904WT1, NPN MMBT3906WT1, PNP
MMBT3904WT1
TYPICAL AUDIO SMALL−SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(VCE = 5.0 Vdc, TA = 25°C, Bandwidth = 1.0 Hz)
12
14
SOURCE RESISTANCE = 200 W
10
IC = 1.0 mA
12 f = 1.0 kHz IC = 1.0 mA
8
SOURCE RESISTANCE = 200 W
IC = 0.5 mA
10
IC = 0.5 mA
8
6
SOURCE RESISTANCE = 1.0 k
IC = 50 mA
6
4
4
IC = 50 mA
IC = 100 mA
2 SOURCE RESISTANCE = 500 W
IC = 100 mA
0
0.1 0.2 0.4
1.0 2.0 4.0
MMBT3904WT1
10 20 40 100
f, FREQUENCY (kHz)
2
0
0.1 0.2
MMBT3904WT1
0.4 1.0 2.0 4.0 10 20 40 100
RS, SOURCE RESISTANCE (k OHMS)
Figure 7. Noise Figure
Figure 8. Noise Figure
h PARAMETERS
(VCE = 10 Vdc, f = 1.0 kHz, TA = 25°C)
300
100
MMBT3904WT1
50
200
20
MMBT3904WT1
100
10
70
5
50
2
30
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
IC, COLLECTOR CURRENT (mA)
Figure 9. Current Gain
20
10
MMBT3904WT1
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
IC, COLLECTOR CURRENT (mA)
Figure 11. Input Impedance
1
0.1
0.2 0.3 0.5
1.0
2.0 3.0 5.0
10
IC, COLLECTOR CURRENT (mA)
Figure 10. Output Admittance
10
7.0
MMBT3904WT1
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
IC, COLLECTOR CURRENT (mA)
Figure 12. Voltage Feedback Ratio
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