SS24LT R LOW VF SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 40 Volts Forward Current - 2.0Amperes S E M I C O N D U C T O R SMAFL FEATURES Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction ,majority carrier conduction Guard ring for overvoltage protection Pb Low power loss ,high efficiency High current capability ,low forward voltage drop COMPLIANT 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) RoHS 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 Weight: 0.0012ounce, 0.0328 gram Suggested PAD Layout 0.060(1.52)MIN 0.134(3.42)MAX TYPICAL APPLICATIONS For use in low voltage ,high frequency inverters ,DC/DC converters, free wheeling ,and polarity protection applications 0.041(1.05)MIN 0.217(5.52)REF Dimensions in inches and (millimeters) MAXIMUM RATINGS (Ratings at 25℃ ambient temperature unless otherwise specified ) Symbol SS24LT Unit Maximum repetitive peak reverse voltage VRRM 40 V Maximum average forward rectified current IF(AV) 2.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) IFSM 50 A Tj -55 to+150 ℃ Tstg -55 to+150 ℃ Parameter Operating junction temperature range Storage temperature range JINAN JINGHENG ELECTRONICS CO., LTD. 3-1 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SS24LT ELECTRICAL CHARACTERISTCS（TA=25℃ Unless otherwise noted) Parameter Symbol Test Conditions T A =25℃ Instaneous forward voltage T A =100℃ I F =2.0A V F 1) T A =125℃ 0.43 0.45 0.36 0 . 38 0.34 0.36 60 200 5 10 30 50 T A =25℃ V R =40V Reverse current T A =100℃ IR MAX. TYP. 2) Unit V μA mA T A =125℃ 4V,1MHz Typical junction capacitance pF 170 CJ 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 SS24LT 3) R JA R JL Unit 115 ℃/W 4) 28 3.Free air,mounted on recommended PCB ,2 oz.pad area 4.The heat generated must be less than thermal conductivity from junction to ambient:dPD/dtJ＜1/RθJA 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 Pack Reel Size (mm) (pcs/reel) SS24LT-1-SMAFL T/R Φ280 SS24LT-2-SMAFL T/R Φ180 Product code JINAN JINGHENG ELECTRONICS CO., LTD. 3-2 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SS24LT FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-FORWARD CURRENT DERATING CURVE 1.5 1.0 0.5 0 0 25 50 75 100 125 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 40 PEAK FORWARD SURGE CURRENT(AMPERES) AVERAGE FORWARD CURRENT AMPERES 50 2.0 30 20 10 150 0 AMBIENT TEMPERATURE (℃) 1 10 100 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 TJ=125℃ 10 TJ=100℃ INSTANTANEOUS REVERSE CURRENT (mA) INSTANTANEOUS FORWARD CURRENT( AMPERES) 100 PULSE WIDTH=300 S 1% DUTY CYCLE 1 TJ=125℃ TJ=25℃ 0.1 10 TJ=100℃ 1.0 0.1 TJ=25℃ 0.01 0.01 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.001 0 INSTANTANEOUS FORWARD VOLTAGE (V) 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE% FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE(pF) 400 100 10 0.1 1 10 100 REVERSE VOLTAGE. VOLTS JINAN JINGHENG ELECTRONICS CO., LTD. 3-3 HTTP://WWW.JINGHENGGROUP.COM