SF38

SF31 - SF38 3.0 AMPS. Super Fast Rectifiers DO-201AD/DO-27 Features





High efficiency, low VF High current capability High reliability High surge current capability Low power loss. For use in low voltage, high frequency inventor, free wheeling, and polarity protection application Mechanical Data




Cases: Molded plastic Epoxy: UL 94V-0 rate flame retardant Polarity: Color band denotes cathode High temperature soldering guaranteed: 260oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 1.2 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SF SF SF SF SF SF SF SF Units Type Number 31 32 33 34 35 36 37 38 Maximum Recurrent Peak Reverse Voltage V V RRM 50 100 150 200 300 400 500 600 Maximum RMS Voltage V V RMS 35 70 105 140 210 280 350 420 Maximum DC Blocking Voltage 50 100 150 200 300 400 500 600 V V DC Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length o @T A = 55 C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 3.0A o Maximum DC Reverse Current @ T A=25 C o at Rated DC Blocking Voltage @ TA=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating Temperature Range A IFSM 125 A VF 0.95 1.3 Trr Cj TSTG 1.7 V 5.0 100 35 IR TJ Storage Temperature Range Revision:20170301-P1 3.0 R θJA Typical Thermal resistance Notes: I(AV) 80 uA uA nS pF 70 35 -65 to +125 -65 to +150 o C/W o o C C 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 16mm x 16mm on PCB. ht t p : // www.lgesemi .c o m mail:lge@lgesemi.com SF31 - SF38 3.0 AMPS. Super Fast Rectifiers RATINGS AND CHARACTERISTIC CURVES (SF31 THRU SF38) 1000 2.5 INSTANTANEOUS REVERSE CURRENT. ( A) AVERAGE FORWARD CURRENT. (A) FIG.2- TYPICAL REVERSE CHARACTERISTICS FIG.1- MAXIMUM AVERAGE FORWARD CURRENT DERATING 3.0 2.0 1.5 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 1.0 0.5 0 0 25 50 75 100 125 150 175 O AMBIENT TEMPERATURE. ( C) FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) 175 100 Tj=100 0C 10 1 0.1 150 8.3ms Single Half Sine Wave JEDEC Method 125 Tj=25 0C 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 100 75 50 FIG.5- TYPICAL FORWARD CHARACTERISTICS 25 100 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz JUNCTION CAPACITANCE.(pF) 140 120 SF 31 80 SF 35~ 60 40 0.1 0.5 1 ~S F3 4 SF SF 31 ~S F3 4 160 100 10 INSTANTANEOUS FORWARD CURRENT. (A) FIG.4- TYPICAL JUNCTION CAPACITANCE 180 36 SF 5~ 3 38 SF SF 7~ 3 SF 1 0.1 38 Tj=25oC Pulse Width=300 s 1% Duty Cycle 2 5 10 20 REVERSE VOLTAGE. (V) 50 100 200 500 0.01 0.2 1000 0.4 0.6 0.8 1.0 1.2 FORWARD VOLTAGE. (V) 1.4 1.6 FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE trr +0.5A (+) 50Vdc (approx) (-) (-) DUT 1W NON INDUCTIVE PULSE GENERATOR (NOTE 2) OSCILLOSCOPE (NOTE 1) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms Revision:20170301-P1 ht t p : // 0 -0.25A (+) -1.0A 1cm www.lgesemi .c o m SET TIME BASE FOR 5/ 10ns/ cm mail:lge@lgesemi.com