RoHS BF420/BF422 BF420 BF422 TRANSISTOR (NPN) 1. EMITTER FEATURES Power dissipation PCM: 0.83 W (Tamb=25℃) Collector current ICM: 0.1 A Collector-base voltage V(BR)CBO: BF420 300 V BF422 250 V 2. COLLECTOR 3. BASE IC Operating and storage junction temperature range TJ, Tstg: -55℃ to +150℃ ELECTRICAL CHARACTERISTICS (Tamb=25℃ Parameter R T BF420 BF422 Collector-emitter breakdown voltage BF420 BF422 C E L Collector cut-off current Emitter cut-off current DC current gain J E E Collector-emitter saturation voltage Transition frequency N O VCBO Test conditions Ic=100µA , IE=0 1 2 3 MIN MAX UNIT 300 V 250 300 VCEO IC= 1mA , IB=0 VEBO IE=100µA, IC=0 ICBO VCB=200V, IE=0 0.01 µA IEBO VEB=5V, IC=0 0.05 µA hFE(1) VCE=20V, IC=25mA VCE(sat) IC=30 mA, IB= 5mA 0.6 V fT VCE=10V, IC= 10mA W WEJ ELECTRONIC CO. C O unless otherwise specified) Symbol Collector-base breakdown voltage Emitter-base breakdown voltage D T ,. L TO-92 Http:// www.wej.cn f = 100MHz V 250 5 V 50 60 MHz E-mail:[email protected]