31DF1-31DF2 Super Fast Rectifiers VOLTAGE RANGE: 100 --- 200 V CURRENT: 1.6 A DO - 27 Features Low cost Diffused junction Low leakage Low forward voltage drop High current capability Easily cleaned with alcohol,Isopropanol and similar solvents Mechanical Data Case:JEDEC DO--27,molded plastic Dimensions in millimeters Polarity: Color band denotes cathode Weight: 0.041ounces,1.15 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%. 31DF1 31DF2 UNITS Maximum recurrent peak reverse voltage VRRM 100 200 V Maximum RMS voltage VRMS 70 140 V Maximum DC blocking voltage VDC 100 200 V Maximum average forw ard rectified current @TA=75 9.5mm lead length, IF(AV) 1.6 A IFSM 125.0 A VF 0.98 V Peak forw ard surge current 10ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ IF=1.6A Maximum reverse current at rated DC blocking voltage @TA=25 IR @TA=100 5.0 50.0 A Maximum reverse recovery time (Note1) trr 30 ns Typical junction capacitance (Note2) CJ 90 pF Typical thermal resistance (Note3) RθJA 34 TJ - 55 ----- + 150 TSTG - 55 ----- + 150 Operating junction temperature range Storage temperature range NOTE: 1. Measured with IF=0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MHZ and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. http://www.luguang.cn mail:[email protected] /W 31DF1-31DF2 Super Fast Rectifiers Ratings AND Charactieristic Curves FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 N 1. trr 10 N 1. +0.5A D.U.T. 0 PULSE GENERATOR (NOTE2) (+) 25VDC (approx) (-) -0.25A OSCILLOSCOPE (NOTE 1) 1 NONINDUCTIVE -1.0A 1cm NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE =1M . 22pF. JJJJ 2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 . SETTIMEBASEFOR10 ns/cm FIG.3 -- FORWARD DERATING CURVE 100 40 20 10 4.0 2.0 1.0 0.4 TJ=25 Pulse Width=300µs 0.2 0.1 0.2 0.4 0.6 0.8 1.0 1.4 1.2 AVERAGE FORWARD CURRENT AMPERES INSTANTANEOUS FORWARD CURRENT AMPERES FIG.2 -- TYPICAL FORWARD CHARACTERISTIC 1.4 1.2 1.0 0.8 Single Phase Half Wave 60HZ Resistive or Inductive Load 0.375"(9.5mm)Lead Length 0.6 0.4 0.2 0 0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 600 400 200 100 60 40 TJ=25 f=1.0MHz 20 10 0.1 0.2 0.4 1 2 4 10 20 40 REVERSE VOLTAGE, VOLTS http://www.luguang.cn 100 50 75 100 125 150 FIG.5-- PEAK FORWORD SURGE CURRENT PEAK FORWORD SURGE CURRENT AMPERES 1000 25 AMBIENT TEMPERATURE, FIG.4-- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITACE, pF 1.6 150 8.3ms Single Half Sine-Wave 125 100 75 50 25 0 1 5 10 50 NUMBER OF CYCLES AT 60HZ mail:[email protected] 100