SR140L R LOW VF SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 40 Volts Forward Current - 1.0Amperes S E M I C O N D U C T O R DO-41 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 1.0(25.4) MIN RoHS JF 0.107(2.7) 0.080(2.0) DIA. 0.205(5.20) 0.161(4.10) MECHANICAL DATA 1.0(25.4) MIN Case: JEDEC DO-41 molded plastic body 0.034(0.85) 0.026(0.65) DIA. Terminals: Plated axial leads, solderable per MIL-STD-750,method 2026 Polarity: Color band denotes cathode end Dimensions in inches and (millimeters) Mounting Position: Any Weight: 0.012ounce, 0.33 gram PRIMARY CHARACTERISTICS TYPICAL APPLICATIONS For use in low voltage ,high frequency inverters ,DC/DC converters, free wheeling ,and polarity protection applications IF(AV) 1.0A VRRM 40V IFSM 40A VF at IF=1.0A 0.35V TJMAX 150℃ MAXIMUM RATINGS (Ratings at 25℃ ambient temperature unless otherwise specified ) Symbol SR140L Unit Maximum repetitive peak reverse voltage VRRM 40 V Maximum average forward rectified current 0.375"(9.5mm) lead length(see fig.1) IF(AV) 1.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) IFSM 40 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 SR140L ELECTRICAL CHARACTERISTCS（TA=25℃ Unless otherwise noted) Test Conditions Parameter Symbol T A =25℃ Instaneous forward voltage V F 1) T A =100℃ I F =1.0A T A =125℃ 0.43 0.45 0.37 0 . 39 0.35 0.37 50 200 5 10 15 30 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 110 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 3) SR140L R JA 50.0 R JL 15.0 Unit ℃/W 3.Thermal resistance from junction to lead vertical P.C.B. mounted , 0.375"(9.5mm)lead length AVAILABALE PACK INFORMATION Product code Pack Box Size L*W*H(mm) Quantity(pcs/box) SR140L-DO-41 B/P 190*80*21 1000 433*203*230 50 SR140L-DO-41 T/B 264*74*135 5000 400*267*286 50 JINAN JINGHENG ELECTRONICS CO., LTD. 3-2 Carton SizeL*W*H(mm) Quantity(box/carton) HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC OF SR140L FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT AVERAGE FORWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE 1 50 0.75 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) PEAK FORWARD SURGE CURRENT(AMPERES) 40 0.5 0.25 0 0 25 50 75 100 125 150 LEAD TEMPERATURE （℃） 30 20 10 0 1 100 FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 100 10 PULSE WIDTH=300 S 1% DUTY CYCLE TJ=100℃ 1 INSTANTANEOUS REVERSE CURRENT (mA) INSTANTANEOUS FORWARD CURRENT( AMPERES) 10 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS TJ=125℃ TJ=25℃ 0.1 TJ=125℃ 10 TJ=100℃ 1.0 0.1 TJ=25℃ 0.01 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.001 0 INSTANTANEOUS FORWARD VOLTAGE (V) 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE% JUNCTION CAPACITANCE(pF) FIG.5-TYPICAL JUNCTION CAPACITANCE 400 100 10 0.1 1 10 100 REVERSE VOLTAGE. VOLTS JINAN JINGHENG ELECTRONICS CO., LTD. 3-3 HTTP://WWW.JINGHENGGROUP.COM