RoHS
BF421/BF423
BF421
BF423
TRANSISTOR (PNP)
TO-92
FEATURES
Power dissipation
P
CM
:
0.83 W (Tamb=25℃)
Collector current
I
CM
:
-100 mA
Collector-base voltage
V
(BR)CBO:
BF421 -300 V
BF423 -250 V
Operating and storage junction temperature range
T
J
, T
stg
: -55 to +150
ELECTRICAL CHARACTERISTICS (Tamb=25℃
Parameter
Collector-base breakdown voltage
BF421
BF423
Symbol
1. EMITTER
2. COLLECTOR
3. BASE
unless otherwise specified)
Collector-emitter breakdown voltage BF421
BF423
Emitter-base breakdown voltage
Collector cut-off current
Emitter cut-off current
DC current gain
Collector-emitter saturation voltage
Transition frequency
W
J
E
E
C
E
L
R
T
V
CBO
V
CEO
V
EBO
I
CBO
I
EBO
h
FE
V
CE(sat)
O
Test conditions
Ic=-100µA , I
E
=0
I
C
= -1mA , I
B
=0
N
C
I
C
MIN
-300
-250
-300
-250
-5
O
1 2 3
L
,
.
MAX
D
T
TYP
UNIT
V
V
V
I
E
=-100µA, I
C
=0
V
CB
=-200V, I
E
=0
V
EB
=-5V, I
C
=0
V
CE
=-20V, I
C
=-25mA
I
C
=-30 mA, I
B
=- 5mA
V
CE
=-10V, I
C
= -10mA
-0.01
-0.05
50
-0.6
60
µA
µA
V
MHz
f
T
WEJ ELECTRONIC CO.
Http:// www.wej.cn
E-mail:wej@yongerjia.com
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