SX5817-SX5819 Surface Mount Schottky Barrier Rectifiers VOLTAGE RANGE: 20 --- 40 V CURRENT: 1.0 A SOD-123FL Features 1.0±0.2 1.9± 0.1 0.10-0.30 2.8±0.1 1.4± 0.15 xxxx Cathode Band Top View Metal-Semiconductor junction with guard ring Epitaxial construction Low forward voltage drop,low switching losses High surge capability For use in low voltage,high frequency inverters free wheeling,and polarity protection applications The plastic material carries U/L recognition 94V-0 0.6±0.25 Mechanical Data Case:JEDEC SOD-123FL,molded plastic 3.7±0.2 Polarity: Color band denotes cathode Weight: 0.0008 ounces,0.22 grams Mounting position: Any Dimensions in millimeters 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%. Device marking code SX5817 SX5818 SX5819 S2 S3 S4 UNITS Maximum recurrent peak reverse voltage V RRM 20 30 40 V Maximum RMS voltage V RMS 14 21 28 V Maximum DC blocking voltage VDC 20 30 40 V Maximum average forw ard rectified current 9.5mm lead length, @TA =75 IF(AV) 1.0 A IFSM 25.0 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =70 Maximum instantaneous forw ard voltage @ 1.0A z (Note 1) @ 3.0A Maximum reverse current @TA =25 at rated DC blocking voltage @TA =100 Typical junction capacitance (Note2) Typical thermal resistance (Note3) Operating junction temperature range Storage temperature range NOTE: 1. Pulse test : 300 VF IR 0.55 0.75 0.875 1.0 10.0 CJ 110 Rθ JA 50 TJ - 55 ---- + 125 TSTG - 55 ---- + 150 s pulse width,1% duty cy cle. 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. 3.Thermal resistance junction to ambient 0.45 0.60 0.90 V mA pF ／Ｗ SX5817-SX5819 Surface Mount Schottky Barrier Rectifiers Ratings AND Charactieristic Curves 0.75 Resistive or Inductive Load 0.375"(9.5mm)Lead Length 0.5 0.25 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT AMPERES FIG.2 -- PEAK FORWARD SURGE CURRENT 1.0 AMPERES AVERAGE FORWARD RECTIFIED CURRENT FIG.1 -- FORWARD DERATING CURVE 25 TJ=TJMAX 8.3ms Single Half Sine-Wave 20 25 10 5 0 1 LEAD TEMPERATURE, SX5 81 7 AMPERES SX5 81 8 1 T J = 25 P ulse w id th= 300 1 % D uty C yc le s .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS CAPACITANCE, pF 400 SX5819 .1 100 FIG.4 -- TYPICAL JUNCTION CAPACITANCE 20 10 10 NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD X -CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT 30 TJ=25℃ f=1.0MHz Vsig=50mVp-p 100 10 0.1 1 10 REVERSE VOLTAGE,VOLTS 100