Datasheet

©2003 Fairchild Semiconductor Corporation Rev. B1, September 2003
2N5086/2N5087/MMBT5087
Typical Characteristics
(Continuce)
Figure 7. Gain Bandwidth Product
vs Collector Current
Figure 8. Noise Figure vs Frequency
Figure 9. Wideband Noise Frequency
vs Source Resistance
Figure 10. Power Dissipation vs
Ambient Temperature
Figure 11. Equivalent Input Noise Current
vs Collector Current
Figure 12. Equivalent Input Noise Voltage
vs Collector Current
0.1 1 10 100
0
50
100
150
200
250
300
350
I - COLLECTOR CURRENT (mA)
f - GAIN BANDWIDTH PRODUCT (MHz)
V = 5V
CE
C
T
µΩ
µΩ
µΩ
µ
µ
Ω
√
√
µ
100 1000 10000 1000000
0
1
2
3
4
5
f - FREQUENCY (Hz)
NF - NOISE FIGURE (dB)
V = 5V
CE
I = - 250
µ
A, R = 5.0 k
Ω
C S
I = - 500
µ
A, R = 1.0 k
Ω
C
S
I = - 20
µ
A, R = 10 k
Ω
C
S
µ
µ
Ω
√
√
µ
µΩ
µΩ
µΩ
1,000 2,000 5,000 10,000 20,000 50,000 100,000
0
2
4
6
8
R - SOURCE RESISTANCE ( )
NF - NOISE FIGURE (dB)
V = 5V
BANDWIDTH = 15.7 kHz
CE
I = 10
µ
A
C
I = 100
µ
A
C
S
Ω
√
√
µ
µΩ
µΩ
µΩ
µ
µ
Ω
√
√
µ
0 25 50 75 100 125 150
0
125
250
375
500
625
TEMPERATURE ( C)
P - POWER DISSIPATION (mW)
D
o
TO-92
SOT-23
µΩ
µΩ
µΩ
µ
µ
Ω
0.001 0.01 0.1 1
0.1
0.2
0.5
1
2
5
10
I - COLLECTOR CURRENT (mA)
i - EQUIVALENT INPUT NOISE CURRENT (pA/ Hz)
V = - 5.0V
CE
i , f = 100 Hz
n
C
n
2
√
√
i , f = 1.0 kHz
n
i , f = 10 kHz
n
√
µ
µΩ
µΩ
µΩ
µ
µ
Ω
√
0.001 0.01 0.1 1
0.001
0.002
0.005
0.01
0.02
0.05
0.1
I - COLLECTOR CURRENT (mA)
e - EQUIVALENT INPUT NOISE VOLTAGE ( V/ Hz)
V = - 5.0V
CE
C
e , f = 100 Hz
n
e , f = 1.0 kHz
n
e , f = 10 kHz
n
n
2
√
√
µ