MMBT2222A
Small Signal Transistors (NPN)
Electrical Characteristics
Parameter
Collector Base Time Constant
Delay Time (see fig. 1)
Rise Time (see fig. 1)
Storage Time (see fig. 2)
Fall Time (see fig. 2)
(T
J
= 25°C unless otherwise noted)
Symbol
r
b
’C
C
t
d
t
r
t
s
t
f
Test Condition
I
E
= 20 mA, V
CB
= 20 V,
f = 31.8 MHz
I
B1
= 15 mA, I
C
= 150 mA,
V
CC =
30V, V
BE
= -0.5 V
I
B1
= 15 mA, I
C
= 150 mA,
V
CC =
30V, V
BE
= -0.5 V
I
B1
= I
B2
= 15 mA,
I
C
= 150 mA, V
CC =
30V
I
B1
= I
B2
= 15 mA,
I
C
= 150 mA, V
CC =
30V
Min
—
—
—
—
—
Typ
—
—
—
—
—
Max
150
10
25
225
60
Unit
ps
ns
ns
ns
ns
Switching Time Equivalent Test Circuit
Figure 1. Turn-ON Time
1.0 to 100
µs,
DUTY CYCLE
≈
2%
+16 V
0
-2 V
< 2 ns
1kΩ
C
S
* < 10 pF
Scope rise time < 4ns
*Total shunt capacitance of test jig,
connectors and oscilloscope
+30V
200Ω
Figure 2. Turn-OFF Time
1.0 to 100
µs,
DUTY CYCLE
≈
2%
+16 V
0
-14 V
< 20 ns
-4 V
1kΩ
C
S
* < 10 pF
+30V
200Ω
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