BY550-800

BL FEATURES Low leakage GALAXY ELECTRICAL BY550-50 --- BY550-1000 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 5.0 A PLASTIC SILICON RECTIFIER Low cost Diffused junction Low forward voltage drop High current capability Easily cleaned witn Freon,Alcohol,lsopropanol and similar solvents The plastic material carries U/L recognition 94V-0 DO - 27 MECHANICAL DATA Case:JEDEC DO-27,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.041 ounces, 1.15 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. BY 550-50 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75 BY BY BY BY BY BY UNITS 550-100 550-200 550-400 550-600 550-800 550-1000 100 70 100 200 140 200 400 280 400 5.0 600 420 600 800 560 800 1000 700 1000 V V V A VRRM VRMS VDC IF(AV) 50 35 50 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ=125 IFSM 300.0 A Maximum instantaneous forw ard voltage @ 5.0 A Maximum reverse current @TA=25 VF IR CJ RθJA TJ TSTG 1.1 10.0 100.0 80 15 - 55 ---- + 150 - 55 ---- + 150 V A pF ／Ｗ at rated DC blocking voltage @TA=100 Typical junction capacitance Typical thermal resistance (Note1) (Note2) Operating junction temperature range Storage temperature range 2. Thermal resistance f rom junction to ambient. NOTE: 1. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. www.galaxycn.com Document Number 0260031 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 -- TYPICAL FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT 10 BY550-50 --- BY550-1000 FIG.2 -- TYPICAL FORWARD DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 1.5 1.25 1.0 1.0 AMPERES 0.1 TJ=250 C Pulse Width =300us 0.75 0.5 Single Phase Half Wave 60H Z Resistive or Inductive Load 0.25 .01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 25 50 75 100 125 150 175 INSTANTANEOUS FORWARD VOLTAGE, VOLTS AMBIENT TEMPERATURE, FIG.3 -- PEAK FORWARD SURGE CURRENT FIG.4--TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT AMPERES JUNCTION CAPACITANCE,PF 1000 600 400 450 400 350 300 250 200 150 100 50 1 2 4 8 10 20 40 60 80 100 TJ=125 8.3ms Single Half Sine-W ave TJ=25 200 100 40 20 10 .1 .2 .4 1.0 2 4 10 20 40 1 00 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0260031 BLGALAXY ELECTRICAL 2.