SS54LT R LOW VF SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 40 Volts Forward Current - 5.0Amperes S E M I C O N D U C T O R Pb RoHS FEATURES SMAFL COMPLIANT Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction ,majority carrier conduction Guard ring for overvoltage protection Low power loss ,high efficiency High current capability ,low forward voltage drop High surge capability High temperature soldering guaranteed:260℃/10 seconds at terminals Component in accordance to RoHS 2011/65/EU and WEEE 2012/19/EU 0.057(1.45 ) 0.053(1.35) 0.106(2.7 ) 0.102(2.6) 0.171(4.35 ) 0.167(4.25) 0.212(5.4) 0.205(5.2) 5° 0.008(0.20) MAX 0.042(1.08) 0.040(1.02) MECHANICAL DATA 0.020(0.5) Case: SMAFL molded plastic body Terminals: Solder Plated, solderable per MIL-STD-750,method 2026 0.041(1.05) Polarity: Color band denotes cathode end Dimensions in inches and (millimeters) Weight: 0.0012ounce, 0.0328 gram PRIMARY CHARACTERISTICS TYPICAL APPLICATIONS For use in low voltage ,high frequency inverters ,DC/DC converters, free wheeling ,and polarity protection applications IF(AV) 5.0A VRRM 40V IFSM 120A VF at IF=5.0A 0.37V TJMAX 150℃ MAXIMUM RATINGS (Ratings at 25℃ ambient temperature unless otherwise specified ) Parameter Symbol SS54LT Unit Maximum repetitive peak reverse voltage VRRM 40 V Maximum average forward rectified current IF(AV) 5.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) IFSM 120 A Operating junction temperature range TJ -55 to+150 ℃ Storage temperature range Tstg -55 to+150 ℃ JINAN JINGHENG ELECTRONICS CO., LTD. 3-1 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SS54LT ELECTRICAL CHARACTERISTCS（TA=25℃ Unless otherwise noted) Test Conditions Parameter Symbol T A =25℃ Instaneous forward voltage T A =100℃ I F =5.0A 1) VF T A =125℃ T A =25℃ V R =40V Reverse current T A =100℃ IR 2) 4V,1MHz 0.45 0.47 0.39 0.41 0.37 0.39 80 200 8 15 20 50 Unit V μA mA T A =125℃ Typical junction capacitance MAX. TYP. 370 CJ pF Notes: 1.Pulse test: 300 μs pulse width,1% duty cycle 2.Pulse test: pulse width≤40ms THERMAL CHARACTERISTCS（TA=25℃ Unless otherwise noted) Parameter Symbol Typical thermal resistance 3) SS54LT R JA 88.0 R JL 28.0 Unit ℃/W 3.P.C.B. mounted with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas AVAILABALE PACK INFORMATION Box Size L×W×H (mm) Quantity (reel/box) Carton Size L×W×H (mm) Quantity (box/carton) 5000 285×285×40 2 305×305×440 10 3000 185×185×80 4 305×305×440 5 Quantity Product code Pack Reel Size (mm) (pcs/reel) SS54LT-SMAFL T/R Φ280 SS54LT-SMAFL T/R Φ180 JINAN JINGHENG ELECTRONICS CO., LTD. 3-2 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SS54LT FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 5.0 150 PEAK FORWARD SURGE CURRENT(AMPERES) 4.0 3.0 2.0 1.0 0 0 20 40 60 80 100 120 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 125 100 75 50 25 140 150 0 1 LEAD TEMPERATURE ( ℃) 10 100 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 200 INSTANTANEOUS REVERSE CURRENT (mA) INSTANTANEOUS FORWARD CURRENT( AMPERES) 50 TJ=100℃ 10 5 PULSE WIDTH=300 S 1% DUTY CYCLE 1 TJ=125℃ TJ=25℃ 0.1 100 TJ=125℃ 10 TJ=100℃ 1 0.1 TJ=25℃ 0.01 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.01 0 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE% FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE(pF) 4000 TJ=25℃ f=1.0MHZ Vsig=50mVp-p 1000 100 0.1 1 10 100 REVERSE VOLTAGE. VOLTS JINAN JINGHENG ELECTRONICS CO., LTD. 3-3 HTTP://WWW.JINGHENGGROUP.COM