Data Sheet

PN2222, PN2222A
http://onsemi.com
5
Figure 7. Frequency Effects
f, FREQUENCY (kHz)
4.0
6.0
8.0
10
2.0
0.1
Figure 8. Source Resistance Effects
R
S
, SOURCE RESISTANCE (OHMS)
NF, NOISE FIGURE (dB)
1.0 2.0 5.0 10 20
50
0.2 0.5
0
100
NF, NOISE FIGURE (dB)
0.01 0.02 0.05
R
S
= OPTIMUM
R
S
= SOURCE
R
S
= RESISTANCE
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
f = 1.0 kHz
I
C
= 50 mA
100 mA
500 mA
1.0 mA
4.0
6.0
8.0
10
2.0
0
50 100 200 500
1.0 k 2.0 k 5.0 k 10 k 20 k 50 k 100 k
Figure 9. Capacitances
REVERSE VOLTAGE (VOLTS)
3.0
5.0
7.0
10
2.0
0.1
CAPACITANCE (pF)
1.0 2.0 3.0 5.0 7.0 10 20
30 50
0.2 0.3 0.5 0.7
C
cb
20
30
C
eb
Figure 10. Current−Gain Bandwidth Product
I
C
, COLLECTOR CURRENT (mA)
70
100
200
300
50
500
f
T
, CURRENT-GAIN BANDWIDTH PRODUCT (MHz)
1.0 2.0 3.0 5.0 7.0 10 20
30 50 70 100
V
CE
= 20 V
T
J
= 25°C
Figure 11. “On” Voltages
I
C
, COLLECTOR CURRENT (mA)
0.4
0.6
0.8
1.0
0.2
V, VOLTAGE (VOLTS)
0
T
J
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
V
CE(sat)
@ I
C
/I
B
= 10
V
BE(on)
@ V
CE
= 10 V
Figure 12. Temperature Coefficients
I
C
, COLLECTOR CURRENT (mA)
-0.5
0
+0.5
COEFFICIENT (mV/ C)
-1.0
-1.5
-2.5
°
R
q
VC
for V
CE(sat)
R
q
VB
for V
BE
0.1 1.0 2.0 5.0 10 20
50
0.2 0.5
100 200 500 1.0 k
1.0 V
-2.0
0.1 1.0 2.0 5.0 10 20 500.2 0.5 100 200 500