SM4934

BL FEATURES GALAXY ELECTRICAL SM4933 - - - SM4937 VOLTAGE RANGE: 50 --- 600 V CURRENT: 1.0 A DO-213AB SURFACE MOUNT RECTIFIER ◇ 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 MECHANICAL DATA ◇ Case: JEDEC DO-213AB,molded plastic ◇ Terminals: Solderable per MIL- STD-202, Method 208 ◇ Polarity: Color band denotes cathode ◇ Weight: 0.0046 ounces, 0.116 grams ◇ Mounting position: Any 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 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. UNITS V V V A VRRM VRMS VDC I(AV) 50 35 50 100 70 100 200 140 200 1.0 400 280 400 600 420 600 IFSM 30 A VF IR trr Cj R θJL R θJA Tj TSTG 1.2 5.0 100 200 15 30 75 -55 --- + 150 -55 --- + 150 V µA ns pF ℃/W ℃/W ℃ ℃ www.galaxycn.com Document Number 0280087 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SM4933 - - - SM4937 FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 N 1. 10 N 1. trr +0.5A D.U.T. 0 (+) 25VDC (approx) (-) 1 NONINDUCTIVE PULSE GENERATOR (NOTE2) OSCILLOSCOPE (NOTE 1) -0.25A -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 FIG.2 -- TYPICAL FORWARD CHARACTERISTIC INSTANTANEOUS FORWARD CURRENT 20 10 TJ = 25 Pulse Width = 300us 1% Duty Cycle FIG.3 -- FORWARD DERATING CURVE z AVERAGE FORWARD CURRENT AMPERES 1.0 .8 .6 .4 .2 0 0 25 50 75 100 125 150 175 Single Phase Half Wave 60Hz Resistive or Inductive Load 1.0 AMPERES .1 .01 .6 .8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, VOLTS LEAD TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT FIG.5 -- PEAK FORWARD SURGE CURRENT JUNCTION CAPACITANCE,pF 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 TJ = 25 50 40 30 8.3ms Single Half Sine-Wave AMPERES 20 10 0 1 5 10 50 100 REVERSE VOLTAGE,VOLTS NUMBER OF CYCLES AT 60Hz www.galaxycn.com Document Number 0280087 BLGALAXY ELECTRICAL 2.