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MMBT6428LT1 Datasheet(PDF) 3 Page - Leshan Radio Company

Part # MMBT6428LT1
Description  Amplifier Transistors(NPN Silicon)
PDF  4 Pages
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Manufacturer  LRC [Leshan Radio Company]
Direct Link  http://www.lrc.cn/
Logo LRC - Leshan Radio Company

MMBT6428LT1 Datasheet(HTML) 3 Page - Leshan Radio Company

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LESHAN RADIO COMPANY, LTD.
M22–3/4
R S , SOURCE RESISTANCE (
Ω)
Figure 6. Total Noise Voltage
f, FREQUENCY (Hz)
Figure 2. Effects of Frequency
NOISE CHARACTERISTICS
(V CE = 5.0 Vdc, T A = 25°C)
NOISE VOLTAGE
10
20
50 100 200
500
1k
2k
5k
10k 20k
50k 100k
100 Hz NOISE DATA
I C , COLLECTOR CURRENT (mA)
Figure 3. Effects of Collector Current
f, FREQUENCY (Hz)
Figure 4. Noise Current
R S , SOURCE RESISTANCE (
Ω)
Figure 5. Wideband Noise Figure
R S , SOURCE RESISTANCE (
Ω)
Figure 7. Noise Figure
BANDWIDTH = 1.0 Hz
BANDWIDTH = 1.0 Hz
BANDWIDTH = 1.0 Hz
300
µA
R S
0
I C = 10 mA
3.0 mA
1.0 mA
f = 10 Hz
R S
0
100 Hz
1.0 kHz
10 kHz
100 kHz
30
µA
I C = 10 mA
3.0 mA
1.0 mA
300
µA
100
µA
10
µA
R S
0
BANDWIDTH = 10 Hz to 15.7 kHz
I C = 1.0 mA
500
µA
100
µA
10
µA
BANDWIDTH = 1.0 Hz
I C = 10 mA
3.0 mA
1.0 mA
300
µA
100
µA
30
µA
10
µA
I C = 10 mA
3.0 mA
1.0 mA
300
µA
100
µA
30
µA
10
µA
BANDWIDTH = 1.0 Hz
30
20
10
7.0
5.0
3.0
0.01 0.02
0.05
0.1
0.2
0.5
1.0
2.0
5.0
10
30
20
10
7.0
5.0
3.0
10
20
50 100 200
500
1k
2k
5k
10k 20k
50k 100k
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1
10
20
50 100 200
500
1k
2k
5k
10k 20k
50k 100k
2.0
16
12
8.0
4.0
0
10
20
50 100 200
500
1k
2k
5k
10k 20k
50k 100k
300
200
100
70
50
30
20
10
7.0
5.0
3.0
10
20
50 100 200
500
1k
2k
5k
10k 20k
50k 100k
20
16
12
8.0
4.0
0
~
~
~
~
~
~
MMBT6428LT1 MMBT6429LT1



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