SF31 THRU SF35 VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers Elektronische Bauelemente RoHS Compliant Product A suffix of "-C" specifies halogen-free DO-27 .220(5.6) .197(5.0) DIA. FEATURES 1.0(25.4) MIN. * Low forward voltage drop * High current capability * High reliability * High surge current capability * Good for switching mode application .375(9.5) .285(7.2) MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any 1.0(25.4) MIN. .052(1.3) .048(1.2) DIA. * Weight: 1.10 grams Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature unless otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER SF31 SF32 SF33 SF34 SF35 UNITS 50 35 50 100 70 100 200 105 200 400 140 400 600 210 600 V V V Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current at Rated DC Blocking Voltage A 3.0 75 0.95 1.30 Ta=25 C Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ , TSTG A 50 1.70 35 50 50 -65 ~ +150 V A A 5.0 50 nS pF C NOTES: 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C http://www.SeCoSGmbH.com 01-Jun-2007 Rev. C Any changing of specification will not be informed individual Page 1 of 2 SF31 THRU SF35 VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers Elektronische Bauelemente RATING AND CHARACTERISTIC CURVES (SF31 THRU SF35) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 10W NONINDUCTIVE ( ) D.U.T. 25Vdc (approx.) | | | | | | | | +0.5A (+) PULSE GENERATOR (NOTE 2) ( ) AVERAGE FORWARD CURRENT,(A) 50W NONINDUCTIVE 0 -0.25A (+) 1W NONINDUCTIVE OSCILLISCOPE (NOTE 1) -1.0A NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 1cm 2. Rise Time= 10ns max., Source Impedance= 50 ohms. 3.0 2.5 2.0 Single Phase 1.5 Half Wave 60Hz Resistive Or Inductive Load 1.0 0.375"(9.5mm) Lead Length 0.5 0 SET TIME BASE FOR 0 25 50 FIG.4-TYPICAL REVERSE CHARACTERISTICS CHARACTERISTICS 50 10 10 REVERSE LEAKAGE CURRENT, ( A) 50 34 SF SF 31~ 1.0 SF 35 INSTANTANEOUS FORWARD CURRENT,(A) FIG.3-TYPICAL FORWARD 3.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 0.1 .01 .4 .6 .8 1.0 1.2 1.4 1.6 175 Tj=25 C 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.6-TYPICAL JUNCTION CAPACITANCE 175 75 JUNCTION CAPACITANCE,(pF) PEAK FORWARD SURGE CURRENT,(A) 150 Tj=100 C FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 50 8.3ms Single Half Sine Wave 25 125 1.0 FORWARD VOLTAGE,(V) T j=25 C 100 3.0 .01 1.8 75 AMBIENT TEMPERATURE,( C) 50 / 10ns / cm JEDEC method 150 125 100 75 50 25 0 0 1 5 10 NUMB E R OF C Y C LE S AT 60Hz http://www.SeCoSGmbH.com 01-Jun-2007 Rev. C 50 100 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) Any changing of specification will not be informed individual Page 2 of 2