SR540LA、SR545LA R LOW VF SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 40/45 Volts Forward Current - 5.0Amperes S E M I C O N D U C T O R DO-201AD 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 0.92(23.4) MIN RoHS JF 0.220(5.6) 0.190(4.8) DIA 0.375(9.50) 0.285(7.20) MECHANICAL DATA 0.92(23.4) MIN Case: JEDEC DO-201AD molded plastic body 0.052(1.32) 0.045(1.14) DIA Terminals: Plated axial leads, solderable per MIL-STD-750,method 2026 Polarity: color band denotes cathode end Mounting Position: Any Dimensions in inches and (millimetrers) Weight: 0.041ounce, 1.15 grams 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、45V IFSM 150A VF at IF=5.0A 0.35V TJMAX 150℃ MAXIMUM RATINGS (Ratings at 25℃ ambient temperature unless otherwise specified ) Parameter Symbol SR540LA、SR545LA Unit Maximum repetitive peak reverse voltage VRRM Maximum average forward rectified current 0.375"(9.5mm) lead length(see fig.1) 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 150 A Operating junction temperature range TJ -55 to+150 ℃ Storage temperature range Tstg -55 to+150 ℃ JINAN JINGHENG ELECTRONICS CO., LTD. 3-1 40 45 HTTP://WWW.JINGHENGGROUP.COM V RATINGS AND CHARACTERISTIC OF SR540LA、SR545LA ELECTRICAL CHARACTERISTCS（TA=25℃ Unless otherwise noted) Parameter Symbol Test Conditions T A =25℃ Instaneous forward voltage T A =100℃ I F =5.0A VF 1) T A =125℃ T A =25℃ V R =40V\45V Reverse current 2) IR T A =100℃ 0.43 0.45 0.37 0.39 0.35 0.37 80 200 8 15 20 50 Unit V μA mA T A =125℃ 4V,1MHz Typical junction capacitance MAX. TYP. 570 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) SR540LA、SR545LA R JA 25.0 R JL 8.0 Unit ℃/W 3.Thermal resistance from junction to lead vertical P.C.B. mounted , 0.375"(9.5mm)lead length AVAILABALE PACK INFORMATION Pack Box Size L*W*H(mm) Quantity(pcs/box) SR540LA-DO-201AD B/P 190*80*21 200 433*203*230 50 SR540LA-DO-201AD T/B 264*74*135 1000 400*267*286 10 SR545LA-DO-201AD B/P 190*80*21 200 433*203*230 50 SR545LA-DO-201AD T/B 264*74*135 1000 400*267*286 10 Product code JINAN JINGHENG ELECTRONICS CO., LTD. 3-2 Carton SizeL*W*H(mm) Quantity(box/carton) HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SR540LA、SR545LA FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT AVERAGE FORWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE 5.0 150 PEAK FORWARD SURGE CURRENT(AMPERES) RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5MM) LEAD LENGTH 4.0 3.0 2.0 1.0 0 0 20 40 60 80 100 120 130 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 125 100 75 50 25 150 0 LEAD TEMPERATURE ( ℃) 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