BY459 Super Fast Rectifiers VOLTAGE RANGE: 1500 V CURRENT: 12.0 A Features 2.8± 0.1 TO - 220AC Low cost Diffused junction 4.5± 0.2 10.2± 0.2 1.4± 0.2 φ 3.8± 0.15 Low leakage High current capability Easily cleaned with alcohol,Isopropanol and similar solvents 8.9± 0.2 19.0± 0.5 Low forward voltage drop PIN 2 1 3.5± 0.3 Mechanical Data 13.8± 0.5 2.6± 0.2 The plastic material carries U/L recognition 94V-0 0.9± 0.1 5.0± 0.1 Case:JEDEC TO--220AC,molded plastic 0.5± 0.1 Polarity: Color band denotes cathode Weight: 0.064 ounces,1.96 gram Dimensions in millimeters Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%. BY459 UNITS Maximum recurrent peak reverse voltage VRRM 1500 V Maximum RMS voltage VRMS 1050 V Maximum DC blocking voltage VDC 1500 V IF(AV) 12.0 A IFSM 110.0 A VF 1.30 V IR 10.0 100 Maximum average forw ard rectified current @T A =75 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 6.5A Maximum reverse current @TA =25 at rated DC blocking voltage Maximum reverse recovery time Typical thermal resistance Typical thermal resistance @TA =100 (Note1) (Note2) (Note3) Operating junction temperature range Storage temperature range A trr 0.35 µs R ΘJmb 1.5 K/W RθJA 60 K/W TJ - 55 ----- + 150 TSTG - 55 ----- + 150 NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 2. Thermal resistance from junction to case. 3. Thermal resistance f rom junction to ambient. http://www.luguang.cn mail:[email protected] BY459 Super Fast Rectifiers Ratings AND Charactieristic Curves FIG.2 -- PEAK FORWORD SURGE CURRENT PEAKFORWARDSURGECURRENT AMPERES AVERAGE FORWARD CURRENT , A FIG.1 -- FORWARD DERATING CURVE 15 12 9.0 Single Phase Half Wave 60HZ Resistive or Inductive Load 0.375"(9.5mm)Lead Length 6.0 3.0 0 0 25 50 75 125 100 150 AMBIENT TEMPERATURE , 160 140 120 100 80 60 40 20 0 1 4 2 1.0 0.4 0.2 0.1 0.06 0.04 TJ =25 Pulse Width=300uS 0.02 0.01 0.6 0.8 1.0 1.2 1.4 1.6 600 400 200 100 60 40 20 TJ=25 f=1.0MHz 10 0.4 1 2 6 0 DISSIPATION , W AVERAGE FORWARD POWER DC RECT180 5 HALF SINE WAVE 0 RECT120 4 0 RECT60 3 2 1 0 0 0 .5 1.0 1.5 2.0 2.5 3.0 AVERAGE FORWARD CURRENT , A http://www.luguang.cn 4 10 20 REVERSE VOLTAGE, VOLTS FIG.5--AVERAGE FORWARD POWER DISSIPATION 7 40 60 80 100 1000 0.1 0.2 INSTANTANEOUS FORWORD VOLTAGE, VOLTS 20 FIG.4--TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,pF INSTANTANEOUS FORWARD CURRENT ,A 10 8 10 4 NUMBER OF CYCLES AT 60HZ FIG.3 -- TYPICAL FORWORD CHARACTERISTIC 100 2 mail:[email protected] 40 100