MMBT4403LT1 查看數據表（PDF） - Motorola => Freescale
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MMBT4403LT1 Datasheet PDF : 8 Pages
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MMBT4403LT1
10
8
SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE
VCE = –10 Vdc, TA = 25°C
Bandwidth = 1.0 Hz
10
f = 1 kHz
8
6
IC = 1.0 mA, RS = 430 Ω
IC = 500 µA, RS = 560 Ω
IC = 50 µA, RS = 2.7 kΩ
4
IC = 100 µA, RS = 1.6 kΩ
6
IC = 50 µA
100 µA
4
500 µA
1.0 mA
2
RS = OPTIMUM SOURCE RESISTANCE
2
0
0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0
f, FREQUENCY (kHz)
10 20
50 100
0
50 100 200
500 1 k 2 k
5 k 10 k 20 k 50 k
RS, SOURCE RESISTANCE (OHMS)
Figure 8. Frequency Effects
Figure 9. Source Resistance Effects
h PARAMETERS
VCE = –10 Vdc, f = 1.0 kHz, TA = 25°C
This group of graphs illustrates the relationship between
selected from the MMBT4403LT1 lines, and the same units
hfe and other “h” parameters for this series of transistors. To
obtain these curves, a high–gain and a low–gain unit were
were used to develop the correspondingly–numbered curves
on each graph.
1000
100 k
700
50 k
MMBT4403LT1 UNIT 1
MMBT4403LT1 UNIT 2
500
20 k
300
10 k
200
5k
MMBT4403LT1 UNIT 1
2k
100
MMBT4403LT1 UNIT 2
1k
70
500
50
200
30
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
IC, COLLECTOR CURRENT (mAdc)
100
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
IC, COLLECTOR CURRENT (mAdc)
Figure 10. Current Gain
Figure 11. Input Impedance
20
500
10
MMBT4403LT1 UNIT 1
MMBT4403LT1 UNIT 2
5.0
100
50
2.0
20
1.0
10
0.5
5.0
MMBT4403LT1 UNIT 1
MMBT4403LT1 UNIT 2
0.2
0.1
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0 5.0 7.0 10
IC, COLLECTOR CURRENT (mAdc)
Figure 12. Voltage Feedback Ratio
2.0
1.0
0.1
0.2 0.3 0.5 0.7 1.0
2.0 3.0
IC, COLLECTOR CURRENT (mAdc)
5.0 7.0 10
Figure 13. Output Admittance
4
Motorola Small–Signal Transistors, FETs and Diodes Device Data
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