SM4933-SM4937 Surface Mount Rectifiers VOLTAGE RANGE: 50 --- 600 V CURRENT: 1.0 A DO-213AB Features ◇ Glass passivated device Ideal for surface mounted applications Low leakage Low forward voltage drop High current capability Easily cleaned with Alcohol,Isopropnol and similar solvents The plastic material carries U/L recognition 94V-0 SOLDERABLE ENDS 0 D2=D1 ＋ －0.20 D1 2.6± 0.15 ◇ ◇ ◇ ◇ ◇ ◇ D2 4.9± 0.2 Mechanical Data ◇ ◇ ◇ ◇ 0.5± 0.1 0.5± 0.1 Case: JEDEC DO-213AB,molded plastic Polarity: Color band denotes cathode Weight: 0.0046 ounces, 0.116 grams Mounting position: Any Dimensions in millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate current by 20%. SM4933 SM4934 SM4935 SM4936 SM4937 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current @TA=55℃ Peak forward surge current 8.3ms single half-sine-wave superimposed on rated load Maximum instantaneous forward voltage @1.0A Maximum reverse current @T A=25℃ at rated DC blocking voltage @TA=125℃ Maximum reverse recovery time (Note1) Typical junction capacitance (Note2) Maximum thermal resistance (Note3) Maximum thermal resistance (Note4) Operating junction temperature range Storage temperature range VRRM VRMS VDC 50 35 50 100 70 100 200 140 200 400 280 400 V V V I(AV) 1.0 A IFSM 30 A VF 1.2 V 5.0 100 200 15 30 75 -55 --- + 150 -55 --- + 150 IR trr Cj R θJL R θJA Tj TSTG NOTE: 1. Test conditions:I F=1.0A,VR=30V. 2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 3. Thermal resistance junction to terminal 6.0mm 2 copper pads to each terminal. 4. Thermal resistance junction to ambient 6.0mm 2 copper pads to each terminal. http://www.luguang.cn 600 420 600 UNITS mail:[email protected] µA ns pF ℃/W ℃/W ℃ ℃ SM4933-SM4937 Surface Mount Rectifiers Ratings AND Charactieristic Curves FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 N 1. 10 N 1. trr +0.5A D.U.T. 0 PULSE GENERATOR (NOTE2) (+) 25VDC (approx) (-) 1 NONINDUCTIVE -0.25A OSCILLOSCOPE (NOTE 1) -1.0A 1cm NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF. JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 . SET TIME BASE FOR 80ns/cm TJ = 25 Pulse Width = 300us 1% Duty Cycle 1.0 .1 .01 .6 .8 1.0 1.2 1.4 FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 20 10 AMPERES INSTANTANEOUS FORWARD CURRENT FIG.2 -- TYPICAL FORWARD CHARACTERISTIC 1.0 .8 .6 .4 Single Phase Half Wave 60Hz Resistive or Inductive Load .2 0 0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 20 10 6 4 TJ = 25 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE,VOLTS http://www.luguang.cn 75 100 125 150 175 50 8.3ms Single Half Sine-Wave 40 30 AMPERES 60 40 50 FIG.5 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT JUNCTION CAPACITANCE,pF 100 25 LEAD TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE 200 z 20 10 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz mail:[email protected]