UF3A-UF3M Surface Mount Rectifiers VOLTAGE RANGE: 50 --- 1000 V CURRENT: 3.0 A Features DO-214AB(SMC) 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 5.8± 0.3 3.0± 0.15 7.5± 0.25 2.4± 0.2 8.3± 0.2 Mechanical Data 0.25± 0.06 Polarity: Color band denotes cathode Weight: 0.007 ounces,0.21 grams Mounting position: Any 0.203MAX 1.5± 0.25 Case:JEDEC DO-214AB,molded plastic 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 by 20%. Device marking code UF3A UF3B UF3D UF3G UF3J UF3K UF3M 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=125 VF 1.0 1.4 1.7 10 IR V A 100 Typical reverse recovery time (Note1) trr 50 75 ns Typical junction capacitance (Note2) CJ 15 12 pF Typical thermal resistance (Note3) RθJA Operating junction temperature range Storage temperature range 15 TJ - 55 ---- + 150 TSTG - 55 ---- + 150 NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MHZ and applied rev erse v oltage of 4.0V DC. http://www.luguang.cn mail:[email protected] /W UF3A-UF3M 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 1.0 600\800\1000V 50\100\200V 0.1 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 4 3 1 0 0 20 10 6 4 TJ=25 UF3J-UF3M 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 UF3A-UF3G 50 FIG.5 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT 60 40 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 5 AVERAGE FORWARD CURRENT AMPERES TJ=25 Pulse Width=300µS 0.01 FIG.3 -- FORWARD DERATING CURVE 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]