Diode Semiconductor Korea BYW28-500(Z) - - - BYW28-600(Z) VOLTAGE RANGE: 500 --- 600 V CURRENT: 4.0 A GLASS PASSIVATED RECTIFIERS FEATURES Low cost Glass passivated junction chips DO - 27 Low leakage Low forward voltage drop High current capability Easily cleaned with alcohol,Isopropanol and sim ilar solvents MECHANICAL DATA Case: JEDEC DO-27,m olded plastic Term inals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Dimensions in millimeters Weight:0.041 ounces,1.15 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 am bient tem perature unless otherwise specified. Single phase,half wave,50 Hz,resistive or inductive load. For capacitive load,derate by 20%. BYW28 -500 BYW28 -600 UNITS Maximum recurrent peak reverse voltage V RRM 500 600 V Maximum RMS voltage V RMS 350 420 V Maximum DC blocking voltage V DC 500 600 V Maximum average forw ard rectif ied current 9.5mm lead length, @TA =75 IF(AV) 4.0 A IFSM 170 A VF 1.15 V Peak forw ard surge current 10ms single half -sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ IF=3.5A Maximum reverse current at rated DC blocking voltage @TA =25 @TA =125 IR 5.0 150 Typical junction capacitance (Note1) CJ 275 Typical thermal resistance (Note2) RθJA 70 TJ - 55 ----- + 175 Operating junction temperature range Storage temperature range TSTG NOTE: 1. Measured at 1.0MHz and applied rev erse v oltage of 0V DC. 2. Thermal resistance f rom junction to ambient. A pF /W - 55 ----- + 175 www.diode.kr Diode Semiconductor Korea BYW28-500(Z) - - - BYW28-600(Z) FIG.2 -- TYPICAL JUNCTION CAPACITANCE 1000 10 JUNCTION CAPACITANCE,pF 100 TJ =25 Pulse Width=300µS 4.0 2.0 1.0 AMPERES INSTANTANEOUS FORWARD CURRENT FIG.1 -- TYPICAL FORWARD CHARACTERISTIC 0.4 0.2 0.1 0.01 .6 .7 .8 .9 1.0 1.1 1.2 1.3 300 200 100 40 TJ=25 f=1MHz 20 10 .1 INSTANTANEOUS FORWARD VOLTAGE,VOLTS .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE,VOLTS FIG.3 -- PEAK FORWARD SURGE CURRENT FIG.4 -- FORWARD DERATING CURVE 0 1 2 4 10 20 40 NUMBER OF CYCLES AT 60Hz 100 AVERAGE FORWARD CURRENT AMPERES TJ=125 8.3ms Single Half Sine-Wave 85 AMPERES PEAK FORWARD SURGE CURRENT 170 4.0 3.2 2.4 1.6 Single Phase Half Wave 60H Z Resistive or Inductive Load .8 0 25 50 75 100 125 150 175 200 AMBIENNT TEMPERATURE, www.diode.kr