Korea Electronics N/A Emitter reverse voltag BF421 データシート
製品コード
BF421
2002. 6. 25
2/3
BF421
Revision No : 3
0
COLLECTOR CURRENT I (mA)
C
0
COLLECTOR-EMITTER VOLTAGE V (V)
CE
CE
C
I - V (LOW VOLTAGE REGION)
0
COLLECTOR CURRENT I (mA)
C
0
BASE-EMITTER VOLTAGE V (V)
BE
BE
C
I - V
10
DC CURRENT GAIN h
FE
-3
-10
-1
-0.3
COLLECTOR CURRENT I (mA)
C
h - I
CE(sat)
COLLECTOR-EMITTER SATURATION
COLLECTOR CURRENT I (mA)
C
V - I
-4
-8
-12
-16
-20
-24
-28
-10
-20
-30
-40
-50
-60
COMMON
EMITTER
1.6 1.0 0.6
0.4
0.3
0.2
0.15
I =0.05mA
0
B
0.1
FE
C
-30
-100
5
30
50
100
300
500
C
COLLECTOR CURRENT I (mA)
C
FE
h - I
-0.3
5
DC CURRENT GAIN h
FE
100
10
50
30
30
300
500
-1
-3
-10
-100
-30
COMMON EMITTER
Ta=25 C
V =-20V
-10
-5
CE
COMMON EMITTER
V =-10V
CE
Ta=100 C
Ta=25 C
Ta=25 C
Ta=-25 C
CE(sat)
C
VOLTAGE V (V)
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-10
-20
-30
-40
-50
COMMON EMITTER
V =10V
CE
Ta=100 C
Ta=25
C
Ta=-25 C
3.0
Ta=25 C
-10
-0.3
-0.05
-0.1
-0.5
-0.3
-0.3
-1
-5
-3
-3
-1
-3
COMMON EMITTER
Ta=25 C
-30
-100
I /I =10
C B
5
2
VOLTAGE V (V)
COLLECTOR-EMITTER SATURATION
C
COLLECTOR CURRENT I (mA)
CE(sat)
-0.05
-0.3
-0.1
-0.5
-0.3
-1
-1
-3
-10
-100
-30
I /I =5
COMMON EMITTER
-5
-3
-3
CE(sat)
V - I
C
C B
Ta=100 C
25
-25