2N2219A / 2N2222A
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
NF
h
ie
h
re
h
oe
t
d
∗∗
t
r
∗∗
t
s
∗∗
t
f
∗∗
r
bb’
C
b’c
Parameter
Noise Figure
Input Impedance
Reverse Voltage Ratio
Output Admittance
Delay Time
Rise Time
Storage Time
Fall Time
Feedback Time
Constant
Test Conditions
I
C
= 0.1 mA V
CE
= 10 V
f = 1KHz
R
g
= 1KΩ
I
C
= 1 mA
I
C
= 10 mA
I
C
= 1 mA
I
C
= 10 mA
I
C
= 1 mA
I
C
= 10 mA
V
CC
= 30 V
I
B1
= 15 mA
V
CC
= 30 V
I
B1
= 15 mA
V
CE
= 10 V
V
CE
= 10 V
V
CE
= 10 V
V
CE
= 10 V
V
CE
= 10 V
V
CE
= 10 V
I
C
= 150 mA
V
BB
= -0.5 V
I
C
= 150 mA
V
BB
= -0.5 V
5
25
2
0.25
Min.
Typ.
4
8
1.25
8
4
35
200
10
25
225
60
150
Max.
Unit
dB
kΩ
kΩ
10
-4
10
-4
µS
µS
ns
ns
ns
ns
ps
V
CC
= 30 V
I
C
= 150 mA
I
B1
= -I
B2
= 15 mA
V
CC
= 30 V
I
C
= 150 mA
I
B1
= -I
B2
= 15 mA
I
C
= 20 mA V
CE
= 20 V
f = 31.8MHz
∗
Pulsed: Pulse duration = 300
µs,
duty cycle
≤
1 %
∗∗
See test circuit
3/7
STMICROELECTRONICS [ STMICROELECTRONICS ]
