Техническая Спецификация для Korea Electronics N/A Emitter reverse voltag BF421
Модели
BF421
2002. 6. 25
3/3
BF421
Revision No : 3
C
P (mW)
COLLECTOR POWER DISSIPATION
COLLECTOR OUTPUT CAPACITANCE C (pF)
ob
COLLECTOR-BASE VOLTAGE V (V)
CB
TRANSITION FREQUENCY f (MHz)
T
COLLECTOR CURRENT I (mA)
C
AMBIENT TEMPERATURE Ta ( C)
COLLECTOR-EMITTER VOLTAGE V (V)
COLLECTOR CURRENT I (mA)
C
CE
re
REVERSE TRANSFER CAPACITANCE C (pF)
1000
SINGLE NONREPETITIVE
PULSE Ta=25 C
CURVES MUST BE DERATED
LINEARLY WITH INCREASE
IN TEMPERATURE.
I MAX.(PULSED)
I MAX.(CONTINUOUS)
DC OPERATION
COMMON EMITTER
0
0
0
re
ob
C .C - V
-3
-10
-1
-0.3
0
C
P - Ta
f - I
-3
-10
SAFE OPERATING AREA
CB
-40
-80
-120 -160 -200 -240 -280
2
4
6
8
10
I =0
f=1MHz
Ta=25 C
f=1MHz
Ta=25 C
E
C
ob
C
re
40
80
120
160
200
200
400
600
800
-30
-100
-300
-0.5
-1
-3
-5
-10
-30
-50
-100
-200
*
C
C
*
100ms
10ms
1ms
*
*
*
T
C
-30
10
30
50
100
300
500
Ta=25 C
V =-20V
CE
V =-10V
CE