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SF34 Dataheets PDF



Part Number SF34
Manufacturers SeCoS
Logo SeCoS
Description 3.0AMP Super Fast Rectifiers
Datasheet SF34 DatasheetSF34 Datasheet (PDF)

SF31 THRU SF35 Elektronische Bauelemente VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers RoHS Compliant Product A suffix of "-C" specifies halogen-free DO-27 FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * Good for switching mode application 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.

  SF34   SF34


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SF31 THRU SF35 Elektronische Bauelemente VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers RoHS Compliant Product A suffix of "-C" specifies halogen-free DO-27 FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * Good for switching mode application 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 * Weight: 1.10 grams .220(5.6) .197(5.0) DIA. 1.0(25.4) MIN. .375(9.5) .285(7.2) .052(1.3) .048(1.2) DIA. 1.0(25.4) MIN. 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 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 Ta=25 C Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG SF31 50 35 50 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 SF32 100 70 100 SF33 200 105 200 3.0 SF34 400 140 400 SF35 600 210 600 UNITS V V V A 75 0.95 5.0 50 35 50 -65 ~ +150 50 1.30 1.70 50 A V A A nS pF C http://www.SeCoSGmbH.com 01-Jun-2007 Rev. C Any changing of specification will not be informed individual Page 1 of 2 Elektronische Bauelemente SF31 THRU SF35 VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers RATING AND CHARACTERISTIC CURVES (SF31 THRU SF35) FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (+) 25Vdc (approx.) () D.U.T. 1W NONINDUCTIVE OSCILLISCOPE (NOTE 1) () PULSE GENERATOR (NOTE 2) (+) 0 -0.25A trr | | | | | | | | NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm AVERAGE FORWARD CURRENT,(A) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 3.0 2.5 2.0 1.5 1.0 0.5 0 0 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 25 50 75 100 125 150 AMBIENT TEMPERATURE,( C) 175 FIG.3-TYPICAL FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 50 10 3.0 1.0 0.1 Tj=25 C Pulse Width 300us 1% Duty Cycle 10 3.0 1.0 0.1 Tj=100 C Tj=25 C REVERSE LEAKAGE CURRENT, ( A) INSTANTANEOUS FORWARD CURRENT,(A) SF35SF31~SF34 PEAK FORWARD SURGE CURRENT,(A) .01 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE,(V) FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 75 50 T j=25 C 8.3ms Single Half Sine Wave 25 JEDEC method 0 1 5 10 50 100 NUMBE R OF C YC LE S AT 60Hz JUNCTION CAPACITANCE,(pF) .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) 175 150 125 100 75 50 25 0 .01 FIG.6-TYPICAL JUNCTION CAPACITANCE .05 .1 .5 1 5 REVERSE VOLTAGE,(V) 10 50 100 http://www.SeCoSGmbH.com 01-Jun-2007 Rev. C Any changing of specification will not be informed individual Page 2 of 2 .


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