SB550

BL GALAXY ELECTRICAL SCHOTTKY BARRIER RECTIFIER FEATURES Metal-Semiconductor junction with guard ring Epitaxial construction L ow forward voltage drop,low switching losses H igh surge capability For use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications The plastic material carries U/L recognition 94V-0 SB520 - - -SB5A0 VOLTAGE RANGE: 20 --- 100 V CURRENT: 5.0 A DO - 27 MECHANICAL DATA C ase: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 a m bient tem perature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. SB520 SB530 SB540 SB550 SB560 SB580 SB5A0 UNITS Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, (See FIG.1) V RRM VRMS V DC IF(AV) 20 14 20 30 21 30 40 28 40 50 35 50 5.0 60 42 60 80 56 80 100 70 100 V V V A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM 150.0 A Maximum instantaneous forw ard voltage @ 5.0 A (Note 1) Maximum reverse current @TA =25 VF IR CJ RθJA TJ TSTG 0.55 0.5 50.0 50 10 0 .67 0 .85 V at rated DC blocking voltage @TA=100 Typical junction capacitance Typical thermal resistance (Note2) (Note3) 25.0 mA pF /W Operating junction temperature range Storage temperature range -5 5 --- +150 -5 5 --- +150 www.galaxycn.com NOTE: 1. Pulse test : 300 s pulse width,1% duty cy cle. 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3.Thermal resistance junction to ambient Document Number 0266028 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 -- FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT 5 SB520 - SB540 SB520 - - - SB5A0 FIG.2 --TYPICAL FORWARD CHARCTERISTICS INSTANTANEOUS FORWARD CURRENT, AMPERES 40 10 SB520-SB540 4 SB550 - SB5A0 AMPERES SB550-SB560 SB580-SB5A0 3 1.0 2 Resistive or Inductive Load 0.375"(9.5mm) Lead Length 1 TJ-25 Pulse width =300 µ s 0.1 0 0 0.2 0.4 0.6 0.8 1.0 0 25 50 75 100 125 150 LEAD TEMPERATURE, FIG.3 --MAX NON-REPETITIVE PEAK FWD SURGE CURRENT PEAK FORWARD SURGE CURRENT 150 8.3ms Single Half Sine-Wave INSTANTANEOUS FORWARD VOLTAGE. VOLTS FIG.4--TYPICAL JUNCTION CAPACITANCE 300 TJ=25 f=1.0MHZ AMPERES 90 CAPACITANCE , pF 120 100 40 60 20 30 0 0 10 100 10 1 10 100 1000 NUMBER OF CYCLES AT 60HZ REVERSE VOLTAGE , VOLTS FIG.5--TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT 100 MILLI AMPERES 10 TJ=125 1.0 0.1 TJ=75℃ TJ=25 0.01 0.001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. www.galaxycn.com Document Number 0266028 BLGALAXY ELECTRICAL 2.