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WEJ ELECTRONIC CO.,LTD BF420 TRANSISTOR (NPN) BF422
FEATURES
P CM: 0 . 8 3 W ( T a mb = 2 5 ℃ ) Collector current I CM: 0 . 1 A Collector-base voltage V (BR)CBO: BF420 300 V B F 4 2 2 2 5 0 V Operating and storage junction temperature range T J, Tstg: -55 ℃ to +150 ℃ ELECTRICAL CHARACTERISTICS (Tamb=25 unless otherwise specified) P a r a m e t e r S y m b o l T e s t c o n d i t i o n s M I N M A X U N I T Collector-base breakdown voltage BF420 BF422 VCBO Ic=100µA , I E=0 300 250 V Collector-emitter breakdown voltage BF420 BF422 VCEO I C= 1mA , IB=0 300 250 V Emitter-base breakdown voltage VEBO I E=100µA, IC=0 5 V Collector cut-off current ICBO V CB=200V, IE=0 0.01 µA Emitter cut-off current IEBO V EB=5V, IC=0 0.05 µA D C c u r r e n t g a i n hFE(1) VCE=20V, IC=25mA 50 Collector-emitter saturation voltage VCE(sat) I C=30 mA, IB= 5mA 0.6 V Transition frequency f T VCE=10V, IC= 10mA f = 100MHz
60 MHz
- EMITTER 2. COLLECTOR 3. BASE B F420/BF422 Http:// www.wej.cn E-mail:wej@yongerjia.com WEJ ELECTRONIC CO. RoHS