RoHS DL4933-DL4937 1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS D T ,. L O VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere FEATURES * Low forward voltage drop * Low leakage current * High reliability MELF/LL-41 MECHANICAL DATA .205(5.2) .190(4.8) * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Metallurgically bonded construction * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 0.015 grams .024(.60) .018(.46) IC C SOLDERABLE ENDS .105(2.7) .095(2.4) R T N O Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. C E L TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current DL4933 50 35 50 DL4934 100 70 100 E .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave DL4935 200 140 200 DL4936 400 280 400 DL4937 600 420 600 UNITS V V V 1.0 A superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C 30 1.3 5.0 A V mA at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG 100 200 15 -65 +175 mA nS J E W pF C NOTES: 1. Reverse Recovery Time test condition:IF=1.0A, VR=30V. 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:[email protected] RoHS DL4933-DL4937 RATING AND CHARACTERISTIC CURVES (SM4933 THRU SM4937) FIG.1-TYPICAL FORWARD AVERAGE FORWARD CURRENT,(A) 50 INSTANTANEOUS FORWARD CURRENT,(A) D T ,. L O FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE CHARACTERISTICS 10 3.0 1.0 1.2 1.0 0.8 Single Phase 0.6 Half Wave 60Hz Resistive Or Inductive Load 0.4 0.2 0 0 20 40 Tj=25 C 60 80 100 C 120 140 160 180 200 AMBIENT TEMPERATURE ( C) Pulse Width 300us 1% Duty Cycle IC 0.1 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE 10K 2W 1 8 115Va 60Hz 2 7 3 30 W/50W NON-INDUCTIVE R1 3W 25W UNIT UNDER TEST 6 C P CLARE HPG1002 4 5 C E L 1 AMP SLO-BLO FUSE 30Vdc CONSTANT VOLTAGE SUPPLY C1 1.0mF 300V A R2 1W /10W NONINDUCTIVE 1.0Adc FROM CONSTANT VOLTAGE SUPPLY RIPPLE=3mVrms MAX. C1 1.0mF 300V IFM 1.0 J E i(t) 0 W E +10 0 O 30 20 8.3ms Single Half Tj=25 C Sine Wave JEDEC method 10 0 1 5 50 10 100 NUMBER OF CYCLES AT 60Hz FIG.5-TYPICAL JUNCTION CAPACITANCE R2- TEN 1W 10 W1% CARBON CORE IN PARALLEL TA= 25 N 40 Zout 11/2WMAX. DC To 2KHz MINIMIZE ALL LEAD LENGTHS A-TEKTRONIX 545A. K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1- ADJUSTED FOR 14 BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTIVE=3.8mH 50 R T RECOVERY TIME CHARACTERISTICS 35 C FOR RECTIFIER di/dt=50A/mS trr JUNCTION CAPACITANCE,(pF) .01 PEAK FORWAARD SURGE CURRENT,(A) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 30 25 20 15 10 5 IRM(REC) 2.0 0 1cm .01 .05 .1 .5 1 5 10 50 100 SET TIME BASE FOR REVERSE VOLTAGE,(V) 50 / 100ns / cm WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:[email protected]