UF2A-UF2M Surface Mount Rectifiers VOLTAGE RANGE: 50 --- 1000 V CURRENT: 2.0 A DO-214AA(SMB) Features 4.7± 0.25 3.6± 0.3 2.0± 0.15 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 2.3± 0.15 5.4± 0.2 Mechanical Data Case:JEDEC DO-214AA,molded plastic 0.2± 0.05 0.203MAX 1.3± 0.2 Polarity: Color band denotes cathode Weight: 0.003 ounces,0.093 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 by 20%. UF2A UF2B UF2D UF2G UF2J UF2K UF2M 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) 2.0 A IFSM 50 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ=125 Maximum instantaneous forw ard voltage at2.0 A Maximum reverse current at rated DC blocking voltage @TA=25 @TA=100 VF 1.0 1.4 1.7 5.0 IR V A 100 Maximum thermal resistance (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 UF2A-UF2M Surface Mount Rectifiers Ratings AND Charactieristic Curves FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 50 N 1. +0.5A 10 N 1. 0 D.U.T. (+) 25VDC (approx) (-) -0.25A OSCILLOSCOPE (NOTE 1) 1 NONINDUCTIVE PULSE GENERATOR (NOTE2) -1.0A 1cm SET TIME BASE FOR 20/30 ns/cm NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF. JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 . 100 TJ=25 Pulse Width=300µS 1.0 0.1 0.01 600\800\1000V 50\100\200V 0 0.2 0.4 0.6 0.8 1 FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 400V 10 AMPERES INSTANTANEOUS FORWARD CURRENT FIG.2 -- TYPICAL FORWARD CHARACTERISTIC 1.2 1.4 1.6 1.8 2 2 1.5 Single Phase Half Wave 60HZ Resistive or Inductive Load 1 .5 0 0 UF2A-UF2G 20 10 6 4 0.1 0.2 0.4 1 UF2J-UF2M 2 4 10 20 40 REVERSE VOLTAGE,VOLTS http://www.luguang.cn 75 100 125 150 175 100 50 8.3ms Single Half Sine-Wave 40 30 AMPERES 40 PEAK FORWARD SURGE CURRENT 60 1 50 FIG.5 -- PEAK FORWARD SURGE CURRENT 200 100 2 25 AMBIENT TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,pF 2.5 INSTANTANEOUS FORWARD VOLTAGE, VOLTS TJ=25 z 20 10 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz mail:[email protected]