BY328 Fast Recovery Rectifiers VOLTAGE RANGE: 1500 V CURRENT: 5.0 A DO - 27 Features Low cos t Diffus ed junction Low leakage Low forward voltage drop High current capability Eas ily cleaned with Freon,Alcohol,Is opropanol and s im ilar s olvents The plas tic m aterial carries U/L recognition 94V-0 Mechanical Data Cas e:JEDEC DO-27,m olded plas tic Dimensions in millimeters Polarity: Color band denotes cathode Weight:0.041 ounces ,1.15 gram s Mounting pos ition: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 am bient tem perature unles s otherwis e s pecified. Single phas e,half wave,60 Hz,res is tive or inductive load. For capacitive load,derate by 20%. BY328 UNITS Maximum recurrent peak reverse voltage V RR M 1500 V Maximum RMS voltage V RMS 1050 V Maximum DC blocking voltage V DC 1500 V IF(AV) 5.0 A IFSM 60 A VF 1.45 V Maximum average forw ard rectified current 9.5mm lead length, @TA =75 Peak forw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 5.0 A Maximum reverse current at rated DC blocking voltage @TA =25 IR @TA =100 5.0 150 A Maximum reverse recovery time (Note1) t rr 500 ns Typical junction capacitance (Note2) CJ 40 pF Typical thermal resistance (Note3) Rθ JA 22 TJ - 55---- +150 TSTG -55---- +150 Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC . 3. Thermal resistance f rom junction to ambient. http://www.luguang.cn mail:[email protected] /W BY328 Fast Recovery Rectifiers Ratings AND Charactieristic Curves FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM trr 10 N.1. 50 N.1. +0.5A D.U.T. ( - ) 0 PULSE GENERATOR (NOTE2) (+) 50VDC (APPROX) (-) OSCILLOSCOPE (NOTE 1) 1 N.1. -0.25A ( + ) -1.0A 1cm NOTES:1.RISETIME=7ns MAX. INPUT IMPEDANCE=1M .22pF 2.RISETIME=10ns MAX. SOURCE IMPEDANCE=5O SET TIMEBASEFOR 200 ns /cm 100 10 4 2 1.0 0.4 0.2 0.1 0.06 0.04 TJ =25 Pulse Width=300uS 0.02 0.01 0.8 1.0 1.2 1.4 1.6 FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT AMPERES INSTANTANEOUS FORWARD CURRENT AMPERES FIG.2 --TYPICAL FORWARD CHARACTERISTIC 1.8 6.0 5.0 Single Phase Half Wave 60HZ Resistive or Inductive Load 4.0 3.0 2.0 1.0 0 25 INSTANTANEOUS FORWARD VOLTAGE,VOLTS 60 40 20 10 6 4 TJ=25 f=1MHz 1 .4 1.0 2 4 10 20 40 REVERSE VOLTAGE,VOLTS http://www.luguang.cn 100 PEAK FORWARD SURGE CURRENT AMPERES JUNCTION CAPACITANCE,pF 100 .2 100 125 175 150 200 FIG.5--PEAK FORWARD SURGE CURRENT 200 .1 75 AMBIENT TEMPERATURE, FIG.4--TYPICAL JUNCTION CAPACITANCE 2 50 60 TJ=125 8.3ms Single Half Sine-Wave 45 30 15 0 1 2 4 8 10 20 40 NUMBER OF CYCLES AT 60 Hz mail:[email protected] 60 80 100