SR4045LCT,SRF4045LCT,SR4045LD1 R LOW VF SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 45 Volts Forward Current - 40Amperes S E M I C O N D U C T O R TO-220AB ITO-220AB SR4045LCT FEATURES SRF4045LCT JF SR4045LCT Power pack Metal silicon junction ,majority carrier conduction Pb Guard ring for overvoltage protection Low power loss ,high efficiency RoHS COMPLIANT High current capability ,low forward voltage drop High forward surge capability High frequency operation Meets MSL Level 1,per J-STD-020,LF MAX peak of 245℃(for TO-263 package) Solder bath temperature 275℃ maximum,10s,per JESD22-B106(for TO-220AB and ITO-220AB package) Component in accordance to RoHS 2011/65/EU 2 1 JF SRF4045LCT 2 1 3 Pin1 Pin2 Pin1 Pin3 CA S E Pin3 3 Pin2 TO-263 J 40 F 45 LD 1 SR4045LD1 SR K 2 MECHANICAL DATA 1 Case: JEDEC TO-220AB、ITO-220AB、TO-263 Pin1 Molding compound meets UL94V-0 flammability rating Pin2 K HEATSINK Terminals: Lead solderable per J-STD-002 and JESD22-B102 Polarity: As marked PRIMARY CHARACTERISTICS Mounting Torque: 10 in-Ibs maximum IF(AV) TYPICAL APPLICATIONS For use in low voltage ,high frequency inverters ,DC/DC converters,free wheeling ,and polarity protection applications 2×20A VRRM 45V IFSM 300A VF at IF=20.0A,Per leg 0.46V 100μA IR TJ(MAX) 150℃ TO- 220AB,ITO-220AB, TO- 263 Package Common cathode Diode variations MAXIMUM RATINGS (Ratings at 25℃ ambient temperature unless otherwise specified ) Parameter Maximum repetitive peak reverse voltage Maximum average forward rectified current (see fig.1) Symbol SR4045LCT, SRF4045LCT,SR4045LD1 Unit VRRM 45 V Per leg IF(AV) Total device 20.0 A 40.0 Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) IFSM 300 A Peak repetitive reverse current per diode at tp=2μs 1KHz I RRM 0.5 A TJ ,Tstg -55 to+150 ℃ V AC 1500 V Operating junction and Storage temperature range Isolation voltage(ITO-220AB only)from terminals to heatsink t=1 min JINAN JINGHENG ELECTRONICS CO., LTD. 4-1 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SR4045LCT,SRF4045LCT,SR4045LD1 ELECTRICAL CHARACTERISTCS(TA=25℃ Unless otherwise noted) Test Conditions Parameter T A =25℃ T A =100℃ T A =125℃ T A =25℃ T A =100℃ T A =125℃ Per leg I F =20.0A Instaneous forward voltage Per leg I F =10.0A Symbol TYP. 1) 0.48 0.47 0.46 0.40 0.36 0.35 VF T A =25℃ T A =100℃ VR=45V Reverse current IR 2) MAX. Unit 0.50 - 100 200 8 15 20 50 V μA mA T A =125℃ 4V,1MHz Typical junction capacitance CJ pF 570 Notes: 1.Pulse test: 300 μs pulse width,1% duty cycle 2.Pulse test: pulse width≤40ms THERMAL CHARACTERISTCS(TA=25℃ Unless otherwise noted) Symbol Parameter Typical thermal resistance 3) R JC SR4045LCT SRF4045LCT SR4045LD1 2.5 4.5 2.5 Unit ℃/W 3.Thermal resistance from junction to case AVAILABALE PACK INFORMATION Pack Box Size L×W×H(mm) Quantity(pcs/box) SR4045LCT-TO-220AB P/T 558×148×38 1000 565×225×170 5 SRF4045LCT-ITO-220AB P/T 558×148×38 1000 565×225×170 5 SR4045LD1-TO-263 P/T 558×148×38 1000 565×225×170 5 Product code JINAN JINGHENG ELECTRONICS CO., LTD. 4-2 Carton SizeL×W×H(mm) Quantity(box/carton) HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SR4045LCT,SRF4045LCT,SR4045LD1 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 50 300 40 PEAK FORWARD SURGE CURRENT(AMPERES) SR4045LCT SR4045LD1 30 20 INDUCTIVE OR RESISTIVE LOAD 10 SRF4045LCT 0 0 50 100 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 250 200 150 100 50 150 0 LEAD TEMPERATURE ( C) 1 10 100 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 Per Diode PULSE WIDTH=300μS 1% DUTY CYCLE TJ=125°C (mA) 10 Per Diode INSTANTANEOUS REVERSE CURRENT INSTANTANEOUS FORWARD CURRENT( AMPERES) 100 10 5 TJ=100℃ 1 TJ=125℃ TJ=25℃ 0.1 0.01 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 TJ=100°C 1 0.1 0.01 TJ=25°C 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) 4000 1000 100 0.1 1 10 100 REVERSE VOLTAGE. VOLTS JINAN JINGHENG ELECTRONICS CO., LTD. 4-3 HTTP://WWW.JINGHENGGROUP.COM PACKAGE OUTLINE DIMENSIONS TO-220AB 0.161(4.10) 0.147(3.74) DIA 0.410(10.41) 0.390(9.91) ITO-220AB 0.185(4.70) 0.175(4.44) 0.055(1.39) 0.045(1.14) 0.114(2.90) 0.102(2.60) 0.410(10.41) 0.140(3.55) 0.390(9.91) 0.128(3.25) DIA 0.187(4.75) 0.167(4.25) 0.130(3.31) 0.111(2.81) 0.283(7.20) 0.244(6.20) 0.111(2.83) 0.101(2.57) 0.272(6.90) 0.256(6.50) 1 PIN 2 3 1.161(29.50) 1.106(28.10) 0.159(4.05) 0.138(3.50) 0.114(2.90) 0.098(2.50) 0.560(14.22) 0.516(13.10) 0.053(1.34) 0.047(1.20) 1 PIN 2 3 1.161(29.5) 0.177(4.50) 0.102(2.60) 0.037(0.94) 0.027(0.68) 0.105(2.67) 0.095(2.41) 0.208(5.28) 0.551(14.00) 0.067(1.70) 0.059(1.50) 0.056(1.43) 0.043(1.10) 0.023(0.58) 0.014(0.35) 0.110(2.80) 1.083(27.5) 0.138(3.50) 0.512(13.00) 0.029(0.73) 0.019(0.47) 0.104(2.64) 0.096(2.44) 0.192(4.88) 0.029(0.73) 0.019(0.47) TO-263 0.420(10.67) 0.380(9.65) 0.190(4.83) Suggested Pad Layout 0.160(4.06) 0.245(6.22) MIN 0.055(1.40) (TO-263) 0.045(1.14) 0.42(10.67)MIN 0.320(8.13) 1 K 2 0.639(16.22) 0.560(14.22) 0.053(1.34) 0.047(1.20) 0.131(3.32) 0.090(2.29) 0.095(2.41) 0.083(2.10) 0.639(16.22) 0.560(14.22) 0.066(1.68) 0.036(0.92) 0.360(9.14) 0.037(0.94) 0.027(0.69) 0.134(3.40) 0.15(3.81)MIN 0.018(0.46) 0.014(0.35) 0.08(1.032)MIN 0.095(2.41) 0.083(2.10) 0.105(2.67) Dimensions in inches and (millimeters) JINAN JINGHENG ELECTRONICS CO., LTD. 4-4 HTTP://WWW.JINGHENGGROUP.COM