KEE 3 ssemiconpucror BF421 TECHNICAL DATA SILICON PNP TRIPLE DIFFUSED TYPE HIGH VOLTAGE SWITCHING AND AMPLIFIER APPLICATION. COLOR TV CHROMA OUTPUT APPLICATIONS. B Cc FEATURES * High Voltage : Vcuo>-300V * Complementary to BF420. < | 1 ! N DIM MILLIMETERS K eS | uf A 4.70 MAX MAXIMUM RATINGS (Ta=25T) 2 ao aR D : CHARACTERISTIC SYMBOL | RATING | UNIT e100 PF 1.27 Collector-Base Voltage Vczo -300 Vv 7 bas el J 14.00+0.50 Collector-Emitter Voltage Vero -300 Vv F F K = M 0.45 MAX Emitter-Base Voltage VERO -5 Vv a -- 5 N 1.00 = DC Ic -50 2 comnHetOR Collector Current mA 3. BASE Peak cp -100 Collector Power Dissipation Pe 625 mW TO-9e2 Base Current Iz -50 mA Junction Temperature Tj 150 Cc Storage Temperature Range Tig -65 ~ 150 Cc ELECTRICAL CHARACTERISTICS (Ta=25C) CHARACTERISTIC SYMBOL TEST CONDITION MIN. TYP. | MAX. | UNIT Vcp=-200V, In=0 - - -10 nA Collector Cut-off Current Ico Vcn=-200V, In=0, Tj=150C - - -10 LA Emitter Cut-off Current Tigo Voup=-5V, Ic=0 - - -50 nA DC Current Gain hre Vcr=-20V, Ic=-25mA 50 - - - Collector-Emitter __ _- _ _ _ Saturation Voltage Vcnisar) Ic=-30mA, Ip=-SmA 06 Vv Base-Emitter Voltage VpE Vcr=-20V, Ic=-25mA - -0.75 - Vv Transition Frequency fr Vcr=-10V, Ic=-10mA 60 - - MHz Reverse Transfer Capacitance Cre Vcs=-30V, In=0, f=1MHz - - 1.6 pF 1998. 10. 31 Revision No : 2 KEC 1/3 BF421 Ic Vcg (LOW VOLTAGE REGION) I a o COMMON 3.0 {1.6 1.0 0.6 EMITTER Ta=25C I oO oO 4 0.3 I aN So 0.2 I oo o | ~w o 0.1 l ray co) COLLECTOR CURRENT Ic (mA) 0 -4 -8 -12 -16 -20 -24 -28 COLLECTOR-EMITTER VOLTAGE Vcg_ (V) hre Ic 500 COMMON EMITTER 300 Vcr=-10V 100 90 30 DC CURRENT GAIN hrg 10 5 -0.3 -1 -3 -10 -30 -100 COLLECTOR CURRENT Ic (mA) Vcx(sat) Ic hrre - Ic 500 COMMON EMITTER 3007 Ta=25C 100 50 30 DC CURRENT GAIN hrFg 10 -0.3 -1 -3 -10 -30 -100 COLLECTOR CURRENT Ic (mA) Vcx(sat) Ic Zz a -5 a _g [-COMMON EMITTER i Ta=25C >a oe 4 Be E> 0.5 S-0.3 o Le ES 0.1 we. ca] J -0.05 S -03 -1 -3 -10 -30 -100 COLLECTOR CURRENT Ic (mA) Ic Vpe SLs Z Ls a COMMON EMITTER & COMMON EMITTER ew ~3I/Ip=5 VcE=10V De an n 4 1 5 Ss a Be E> 0.5 & S-0.3 Oo -20 Ho |< =i me pa Ta= S56 FE -10 BS -0.1 OF = a 4 -0.05 S 0 S -0.3 -1 -3 -10 -30 -100 0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 COLLECTOR CURRENT Ic (mA) BASE-EMITTER VOLTAGE Vpr (V) 1998. 10. 31 Revision No : 2 KEL 2/3 BF421 ( at) Cop -Cre Ves fr Ic 500 Ip=0 COMMON EMITTER ge a Dg = ica} o8 f=1MHz & 300F ta=e5'c az Ta=25'C By > a o <9 gi aa = 100 os oC ov ea) FE e4 pe 50 PZ c = S Cre & Be z, B py < 10 Bg 0 -40 -80 -120 -160 200 240 280 es -0.3 -1 -3 -10 -30 ay Se COLLECTOR-BASE VOLTAGE Vcp (V) COLLECTOR CURRENT Ic (mA) On SAFE OPERATING AREA Z 2 E ~200 TT T_T a, z Ig MAX.(PULSED) * 2 g 100 es PSA iz ~ Fc MAX.(CONTINUOUS) F s a -50 ES I ORS a ~~ 8. : s ON TIE fj Cae | f fe tN 5 10 ays S i eS ~ -5 rH S 3 } * SINGLE NONREPETITIVE 4 o | PULSE Ta=25'C 3 4 CURVES MUST BE DERATED o 0 40 80 = 120 160200 S 1 | LINEARLY WITH INCREASE 5 F IN TEMPERATURE. AMBIENT TEMPERATURE Ta (C) (op Eee -3 -10 -30 -100 -300 COLLECTOR-EMITTER VOLTAGE Vcg_ (V) 1998. 10. 31 Revision No : 2 KEC 3/3