BF420

SEMICONDUCTOR TECHNICAL DATA HIGH VOLTAGE SWITCHING AND AMPLIFIER APPLICATION. COLOR TV CHROMA OUTPUT APPLICATIONS. FEATURES High Voltage : VCEO>300V Complementary to BF421. MAXIMUM RATING (Ta=25 ) CHARACTERISTIC SYMBOL Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current DC Peak Collector Power Dissipation Base Current Junction Temperature VCBO VCEO VEBO IC ICP PC IB Tj Storage Temperature Range Tstg RATING 300 300 5 50 100 625 50 150 -65 150 UNIT V V V mA mW mA L M C BF420 SILICON NPN TRIPLE DIFFUSED TYPE BC JA KE G D H FF 1 23 N DIM MILLIMETERS A 4.70 MAX B 4.80 MAX C 3.70 MAX D 0.45 E 1.00 F 1.27 G 0.85 H 0.45 J 14.00 +_0.50 K 0.55 MAX L 2.30 M 0.45 MAX N 1.00 1. EMITTER 2. COLLECTOR 3. BASE TO-92 ELECTRICAL CHARACTERISTICS (Ta=25 ) CHARACTERISTIC SYMBOL Collector Cut-off Current Emitter Cut-off Current DC Current Gain Collector-Emitter Saturation Voltage Base-Emitter Voltage Transition Frequency Reverse Transfer Capacitance ICBO IEBO hFE VCE(sat) VBE fT Cre TEST CONDITION VCB=200V, IE=0 VCB=200V, IE=0, Tj=150 VEB=5V, IC=0 VCE=20V, IC=25mA IC=30mA, IB=5mA VCE=20V, IC=25mA VCE=10V, IC=10mA VCB=30V, IE=0, f=1MHz MIN. 50 60 - TYP. - 0.75 - MAX. 10 10 50 0.6 1.6 UNIT nA A nA V V MHz pF 1998. 10. 31 Revision No : 2 1/3 BF420 COLLECTOR CURRENT IC (mA) IC - VCE (LOW VOLTAGE REGION) 60 50 40 30 20 10 0 0 1.6 1.2 COMMON EMITTER Ta=25 C 0.8 0.6 0.4 0.3 0.2 0.15 0.1 I B =0.05mA 0 4 8 12 16 20 24 28 COLLEC...