31DF3 DSK | Alldatasheet
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Case:JEDEC DO--27,molded plastic MIL-STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.041ounces,1.15 grams Mounting position: Any Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%. UNITS Maximum recurrent peak reverse voltage V RRM V Max imum RMS v oltage V RMS V Max imum DC bloc king v oltage V DC V Maximum average forw ard rectified current 9.5mm lead length, @T A =75 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @T J =125 Max imum ins tantaneous f or w ar d v oltage @ I F =3A V F V Maximum reverse current @T A =25 at rated DC blocking voltage @T A =100 Max imum r ev ers e r ec ov er y time ( Note1) t rr ns Typical junction capacitance (Note2) C J pF Typical thermal resistance (Note3) R θJA Operating junction temperature range T J Storage temperature range T STG 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. I F(AV) 3. Thermal resistance f rom junction to ambient. A I FSM I R A A NOTE: 1. Measured with I F =0.5A, I R =1A, I rr =0.25A. 210 400 280 1.25 1.5 125.0 300 400 Easily cleaned with alcohol,Isopropanol and similar solvents Terminals: Axial lead ,solderable per DO - 27 300 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 31DF3 31DF4 31DF3 --- 31DF4 High current capability SUPER FAST RECTIFIERS VOLTAGE RANGE: 300 --- 400 V CURRENT: 1.5 A - 55 ----- + 150 - 55 ----- + 150 5.0 50.0 Dimensions in millimeters www.diode.kr Diode Semiconductor Korea
0.375"(9.5mm)Lead Length 2.0 1.5 1.0 0.5 0.01 0.1 T J =25 Pulse Width=300 µ s 0.02 0.04 0.2 0.4 PULSE GENERATOR (NOTE2) D.U.T. NONIN- DUCTIVE N N1 . OSCILLOSCOPE (NOTE 1) (+) 25VDC (approx) (-) t rr -1.0A -0.25A +0.5A 1cm T J =25 f=1.0MHz 100 200 400 600 1000 0.1 0.2 0.4 1 2 4 10 40 10020 100 150 125 10 5 50 100 8.3ms Single Half Sine - Wave AMPERES AVERAGE FORWARD CURRENT AMPERES NUMBER OF CYCLES AT 60H Z PEAKFORWORDSURGECURRENT JUNCTION CAPACITANCE, pF FIG.5-- PEAK FORWORD SURGE CURRENT AMPERES REVERSE VOLTAGE, VOLTS FIG.4-- TY PIC A L JU N C TIO N C A PA C ITA N C E 31DF3 --- 31DF4 INSTANTANEOUS FORWARD CURRENT FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERI STIC SE T TIME BASE FOR 10 ns/cm NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE =1M . 22pF. JJJJ 2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 FIG .2 -- TY PIC A L FO R WA R D C H A R A CTE R ISTIC FIG.3 -- FORWARD DE RATING CURVE AMBIENT TEMPERATURE, INSTANTANEOUS FORWARD VOLTAGE, VOLTS www.diode.kr Diode Semiconductor Korea