2N3904 / MMBT3904 / PZT3904
NPN General Purpose Amplifier
(continued)
Typical Characteristics
(continued)
Noise Figure vs Frequency
12
NF - NOISE FIGURE (dB)
10
8
6
4
2
0
0.1
I C = 100
µA,
R S = 500
Ω
Noise Figure vs Source Resistance
12
NF - NOISE FIGURE (dB)
I C = 1.0 mA
I C = 1.0 mA
R S = 200Ω
I C = 50
µA
R S = 1.0 kΩ
I C = 0.5 mA
R S = 200Ω
V
CE
= 5.0V
10
I C = 5.0 mA
8
6
4
2
0
0.1
I C = 50
µA
I C = 100
µA
1
10
f - FREQUENCY (kHz)
100
1
10
R
S
- SOURCE RESISTANCE ( kΩ )
100
Current Gain and Phase Angle
vs Frequency
50
45
40
35
30
25
20
15
10
5
0
h
fe
P
D
- POWER DISSIPATION (W)
Power Dissipation vs
Ambient Temperature
0
20
40
60
80
100
120
140
160
180
1000
1
- CURRENT GAIN (dB)
SOT-223
0.75
θ
- DEGREES
TO-92
θ
0.5
SOT-23
0.25
h
V
CE
= 40V
I
C
= 10 mA
1
10
100
f - FREQUENCY (MHz)
fe
0
0
25
50
75
100
TEMPERATURE (
o
C)
125
150
Turn-On Time vs Collector Current
500
I
B1
= I
B2
=
40V
TIME (nS)
100
15V
t
r @
V
CC
= 3.0V
2.0V
10
t
d @
V
CB
= 0V
5
1
10
I
C
- COLLECTOR CURRENT (mA)
100
I
c
10
Rise Time vs Collector Current
500
V
CC
= 40V
t
r
- RISE TIME (ns)
I
B1
= I
B2
=
I
c
10
100
T
J
= 125°C
T
J
= 25°C
10
5
1
10
I
C
- COLLECTOR CURRENT (mA)
100
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
