fiAMOSPEC HIGH VOLTAGE POWER TRANSISTOR The BU326 and BU326A Type are a fast switching high voltage transistor,more specially intended for operating in color TV receivers chopper supplies. FEATURES: * Coliector-Emitter Sustaining Voltage - Vegoisus) = 375 V (Min.) - BU326 = 400 V (Min.) - BU326A * Low Collector-Emitter Saturation Voltage - Vogieat) = 1.5V (Max.) @ lp =2.5A, p= 0.5A MAXIMUM RATINGS NPN BU326 BU326A 6 AMPERE POWER TRANSISTORS 375-400 VOLTS 75 WATTS Characteristic Symbol BU326 BU326A Unit Collector-Emitter Voltage Vero 375 400 Vv Collector-Base Voltage Vepo 800 900 Vv Emitter-Base Voltage Veso 10 V Collector Current - Continuous le 6.0 A - Peak 8.0 Base Current - Continuous ls 3.0 A Total Power Dissipation @T,=25C Py 75 Ww Derate above 25C 0.428 wrc Operating and Storage Junction Ty Tsr6 c Temperature Range - 65 to +200 THERMAL CHARACTERISTICS Characteristic Symbol Max Unit Thermal! Resistance Junction to Case Rejc 2.33 C Py , POWER DISSIPATIONWATTS) ob BBS REBSB o 2 50 #100 T, TEMPERATURE(C) FIGURE -1 POWER DERATING 150 175 200 PIN 1.BASE 2. EMITTER COLLECTOR(CASE) MILLIMETERS DIM MIN MAX Ac-~TamNmMIOO?: 8 8 o ~BU326, BU326A NPN ee eee ELECTRICAL CHARACTERISTICS ( T, = 25C unless otherwise noted ) Characteristic Symbol Min Max Unit OFF CHARACTERISTICS Collector - Emitter Sustaining Voltage (1) Veeosus) ( l_ = 100 mA, I, = 0) BU326 375 BU326A 400 Collector Cutoff Current mA ( Vog = 800 V, V_e= 0 ) BU326 ( Vog = 900 V, Vag =0 ) BU326A loes =_ = oo Emitter Cutoff Current leBo mA ( Vep= 10V, 1, =0) 10 ON CHARACTERISTICS (1) DC Current Gain ' hFE (Ig =1.0A, Vog = 5.0 V) 25(typ) Collector - Emitter Saturation Voltage Vee{sat) V (1, =2.5A, I, =0.5A) 1.5 (I, =4.0A, I, = 1.25 A) 3.0 Base - Emitter Saturation Voltage Vee ;sat) Vv (l_ =2.5A, lp =0.5A) (I, =4.0A, 1, =1.25A) == Qa DYNAMIC CHARACTERISTICS Current Gain - Bandwidth Product MHz (Ig =0.2A, Veg = 10 V, f = 1.0 MHz) fy 4.0 SWITCHING CHARACTERISTICS Turn On Time Vec= 250 V, I,= 25A t 0.5 us Ipy= 9.5 A,lpo= -1 A t 3.5 us Storage Time Fall Time ty 0.5 us (1) Pulse Test: Pulse width = 300 us , Duty Cycle = 2.0%BU326,BU326A NPN | DC CURRENT GAIN COLLECTOR SATURATION REGION Tom125C hee , OC CURRENT GAIN Vce , COLLECTOR EMITTER VOLTAGE (VOLTS) ' 0.05 0.1 0.2 0.5 1 2 5 0 06 12 18 24 3.0 le , COLLECTOR CURRENT (AMP) i, BASE CURRENT (AMP) BASE-EMITTER VOLTAGE COLLECTOR-EMITTER VOLTAGE Tom128C Vex ,BASE- EMITTER VOLTAGE (VOLTS) Vce ,COLLECTOR- EMITTER VOLTAGE (VOLTS) 0.05 0.1 02 05 1 2 5 0.05 = 0.1 0.2 05 1 2 5 Ic, COLLECTOR CURRENT (AMP) lc, COLLECTOR CURRENT (AMP) SWITCHING TIME SAFE OPERATING AREA t, TIME (us) --Bondng Wire Limit -Second Breakdown Limit ~Thermal Limited at T.228C tC , COLLECTOR CURRENT (Amp) . 1 5 20 50.4 200 37: 1K a5 2 ' 2 vee : COLLECTOR EMITTER VEL TAGE (WoLts) lc , COLLECTOR CURRENT (AMP)