UF3AB-UF3MB Surface Mount Rectifiers VOLTAGE RANGE: 50 --- 1000 V CURRENT: 3.0 A Features DO-214AA(SMB) Low cost Low leakage Low forward voltage drop High current capability Easily cleaned with Alcohol,Isopropanol and similar solvents The plastic material carries U/L recognition 94V-0 3.6± 0.3 2.0± 0.15 4.7± 0.25 5.4± 0.2 2.3± 0.15 Mechanical Data Case:JEDEC DO-214AA,molded plastic Polarity: Color band denotes cathode Weight: 0.003 ounces,0.093 grams Mounting position: Any 0.203MAX Dimensions in millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 0.2± 0.05 1.3± 0.2 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. UF3AB UF3BB UF3DB UF3GB UF3JB UF3KB UF3MB Device marking code UA UB UD UG UJ UK UM UNITS Maximum recurrent peak reverse voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V Maximum average forw ard rectified current @TL=90 IF(AV) 3.0 A IFSM 100 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ=125 Maximum instantaneous forw ard voltage at3.0 A Maximum reverse current at rated DC blocking voltage @TA=25 @TA=100 VF 1.0 1.4 1.7 10 IR V A 500 Typical reverse recovery time (Note1) trr 50 75 ns Typical junction capacitance (Note2) CJ 15 12 pF Typical thermal resistance (Note3) RθJA 15 TJ - 55 ---- + 150 TSTG - 55 ---- + 150 Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. http://www.luguang.cn mail:[email protected] /W UF3AB-UF3MB Surface Mount Rectifiers Ratings AND Charactieristic Curves FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 50 N 1. 10 N 1. +0.5A 0 D.U.T. -0.25A PULSE GENERATOR (NOTE2) (+) 25VDC (approx) (-) OSCILLOSCOPE (NOTE 1) 1 NONINDUCTIVE -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 20/30 ns/cm 100 FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD CURRENT AMPERES TJ=25 Pulse Width=300µS 1.0 600\800\1000V 50\100\200V 0.1 0.01 0 0.2 0.4 0.6 0.8 1 5 1.2 1.4 1.6 1.8 2 4 3 1 0 0 UF3AB-UF3GB 20 10 6 4 TJ=25 UF3JB-UF3MB 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE,VOLTS http://www.luguang.cn 75 100 125 150 175 8.3ms Single Half Sine-Wave 100 AMPERES 40 50 FIG.5 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT 60 25 LEAD TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE 200 100 Single Phase Half Wave 60HZ Resistive or Inductive Load 2 INSTANTANEOUS FORWARD VOLTAGE, VOLTS JUNCTION CAPACITANCE,pF z 400V 10 AMPERES INSTANTANEOUS FORWARD CURRENT FIG.2 -- TYPICAL FORWARD CHARACTERISTIC 50 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz mail:[email protected]