SMBT2222 Datasheet, PDF (3/6 Pages) Siemens Semiconductor Group – NPN Silicon Switching Transistors

SMBT 2222
SMBT 2222 A
Electrical Characteristics
at TA = 25 ˚C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min. typ. max.
AC characteristics
Transition frequency
fT
IC = 20 mA, VCE = 20 V, f = 100 MHz
SMBT 2222
SMBT 2222 A
Output capacitance
Cobo
VCB = 10 V, f = 1 MHz
Input capacitance
VEB = 0.5 V, f = 1 MHz
Cibo
SMBT 2222
SMBT 2222 A
Short-circuit input impedance
h11e
IC = 1 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
IC = 10 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
Open-circuit reverse voltage transfer ratio
h12e
IC = 1 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
IC = 10 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
Short-circuit forward current transfer ratio
h21e
IC = 1 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
IC = 10 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
Open-circuit output admittance
h22e
IC = 1 mA, VCE = 10 V, f = 1 kHz
SMBT 2222
IC = 10 mA, VCE = 10 V, f = 1 kHz
SMBT 2222 A
Collector-base time constant
rb'Cc
IE = 20 mA, VCB = 10 V, f = 31.8 MHz
SMBT 2222 A
Noise figure
F
IC = 100 µA, VCE = 10 V, RS = 1 kΩ
f = 1 kHz
SMBT 2222 A
250 –
300 –
–
–
–
–
–
–
2
–
0.25 –
–
–
–
–
50
–
75
–
5
–
25
–
–
–
–
–
MHz
–
–
8
pF
30
25
kΩ
8
1.25
10^–4
8.0
4.0
–
300
375
µS
35
200
150 ps
4.0 dB
Semiconductor Group
3