unr4221 Panasonic Corporation of North America, unr4221 Datasheet - Page 2

• Manufacturer Part Number: unr4221
• Description: Silicon Npn Epitaxial Planar Type
• Manufacturer: Panasonic Corporation of North America

UNR4221/4222/4223/4224
■ Electrical Characteristics (continued) T
Note) Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.
2
Transition frequency
Input resistance
Resistance ratio
Common characteristics chart
Characteristics charts of UNR4221
400
300
200
100
300
250
200
150
100
50
0
0
0
0
Collector-emitter voltage V
Ambient temperature T
2
Parameter
40
4
I
P
C
T
 V
I
B
UNR4221/4224
UNR4222
UNR4223
UNR4224
 T
80
= 1.0 mA
6
CE
a
8
120
a
T
( °C )
a
CE
10
0.9 mA
0.8 mA
0.7 mA
0.6 mA
0.5 mA
0.4 mA
0.3 mA
0.2 mA
0.1 mA
= 25°C
(V)
160
12
Symbol
R
R
1
f
/R
T
1
2
10
10
10
10
−1
−2
1
2
1
V
Collector current I
CB
a
−25°C
SJH00021BED
= 25°C ± 3°C
= 10 V, I
V
10
CE(sat)
25°C
Conditions
E
= −50 mA, f = 200 MHz
 I
10
C
2
C
T
I
(mA)
C
a
= 75°C
/ I
B
= 10
10
3
400
300
200
100
0
−30%
0.17
Min
1
0.8
Collector current I
0.22
Typ
200
2.2
4.7
1.0
10
−25°C
10
h
25°C
FE
 I
+30%
Max
0.27
1.2
C
10
C
T
2
V
a
(mA)
CE
= 75°C
= 10 V
MHz
Unit
kΩ
10
3