SS54LA 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 SMA(DO-214AC) FEATURES Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction ,majority carrier conduction Pb Guard ring for overvoltage protection Low power loss ,high efficiency COMPLIANT 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 RoHS 0.114(2.90) 0.100(2.54) 0.065(1.65) 0.049(1.25) 0.181(4.60) 0.157(3.99) 0.012(0.305) 0.006(0.152) 0.096(2.44) 0.078(1.98) MECHANICAL DATA 0.008(0.203) MAX 0.060(1.52) 0.030(0.76) Case: JEDEC SMA(DO-214AC) molded plastic body 0.22(5.60) 0.189(4.80) Terminals: Solder Plated, solderable per MIL-STD-750,method 2026 Polarity: Color band denotes cathode end Weight: 0.002ounce, 0.064 gram Suggested PAD Layout 0.066(1.68)MIN 0.069(1.76)MAX TYPICAL APPLICATIONS For use in low voltage ,high frequency inverters ,DC/DC converters, free wheeling ,and polarity protection applications 0.060(1.52)MIN 0.208(5.28)REF Dimensions in inches and (millimeters) MAXIMUM RATINGS (Ratings at 25℃ ambient temperature unless otherwise specified ) Parameter Symbol SS54LA 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 SS54LA ELECTRICAL CHARACTERISTCS（TA=25℃ Unless otherwise noted) Parameter Symbol Test Conditions T A =25℃ Instaneous forward voltage T A =100℃ I F =5.0A 1) VF T A =125℃ 0.45 0.47 0.39 0.41 0.37 0.39 80 200 8 15 20 50 T A =25℃ V R =40V Reverse current T A =100℃ IR 2) 4V,1MHz 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) SS54LA 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 Quantity Product code Pack Reel Size (mm) (pcs/reel) SS54LA-SMA T/R Φ330 7500 JINAN JINGHENG ELECTRONICS CO., LTD. Box Size L×W×H (mm) 330×35×333 3-2 Quantity (reel/box) 2 Carton Size L×W×H (mm) Quantity (box/carton) 364×364×360 8 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SS54LA FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 5.0 150 LEAD TEMPERATURE RESISTIVE OR INDUCTIVE LOAD 4.0 PEAK FORWARD SURGE CURRENT(AMPERES) AVERAGE FORWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE 3.0 2.0 AMBIENT TEMPERATURE 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 TEMPERATURE ( ℃) 0 1 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 1000 100 0.1 1 10 100 REVERSE VOLTAGE. VOLTS JINAN JINGHENG ELECTRONICS CO., LTD. 3-3 HTTP://WWW.JINGHENGGROUP.COM