MMBT2222LT1, MMBT2222ALT1
VCE , COLLECTOR−EMITTER VOLTAGE (VOLTS)
1.0
T
J
= 25°C
0.8
0.6
I
C
= 1.0 mA
10 mA
150 mA
500 mA
0.4
0.2
0
0.005
0.01
0.02 0.03
0.05
0.1
0.2
0.3
0.5
1.0
I
B
, BASE CURRENT (mA)
2.0
3.0
5.0
10
20
30
50
Figure 4. Collector Saturation Region
200
100
70
50
t, TIME (ns)
30
20
10
7.0
5.0
3.0
2.0
5.0 7.0
10
200 300
20 30
50 70 100
I
C
, COLLECTOR CURRENT (mA)
500
I
C
/I
B
= 10
T
J
= 25°C
t
r
@ V
CC
= 30 V
t
d
@ V
EB(off)
= 2.0 V
t
d
@ V
EB(off)
= 0
500
300
200
100
70
50
30
20
10
7.0
5.0
t′
s
= t
s
− 1/8 t
f
V
CC
= 30 V
I
C
/I
B
= 10
I
B1
= I
B2
T
J
= 25°C
t, TIME (ns)
t
f
5.0 7.0 10
20 30
50 70 100
200
I
C
, COLLECTOR CURRENT (mA)
300
500
Figure 5. Turn −On Time
Figure 6. Turn −Off Time
10
8.0
I
C
= 1.0 mA, R
S
= 150
W
500
mA,
R
S
= 200
W
100
mA,
R
S
= 2.0 kW
50
mA,
R
S
= 4.0 kW
R
S
= OPTIMUM
R
S
=
SOURCE
R
S
=
RESISTANCE
10
f = 1.0 kHz
8.0
NF, NOISE FIGURE (dB)
I
C
= 50
mA
100
mA
500
mA
1.0 mA
NF, NOISE FIGURE (dB)
6.0
6.0
4.0
4.0
2.0
0
0.01 0.02 0.05 0.1 0.2
2.0
0
50
0.5 1.0 2.0
5.0 10
20
50 100
100 200
500 1.0 k 2.0 k
5.0 k 10 k 20 k
50 k 100 k
f, FREQUENCY (kHz)
R
S
, SOURCE RESISTANCE (OHMS)
Figure 7. Frequency Effects
Figure 8. Source Resistance Effects
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