SF21_1

SF21 - SF28 2.0 AMPS. Super Fast Rectifiers DO-15 Features H igh efficiency, low VF H igh current capability H igh reliability H igh surge current capability L ow power loss. F or use in low voltage, high frequency inventor, free wheeling, and polarity protection application M echanical Data C ases: Molded plastic E poxy: UL 94V-0 rate flame retardant L ead: Pure tin plated, lead free. solderable per MIL-STD-202, Method 208 guaranteed P olarity: Color band denotes cathode H igh temperature soldering guaranteed: o 260 C/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension W eight: 0.40 gram Dimensions in inches and (millimeters) M aximum Ratings and Electrical Characteristics R ating 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% S ymbol SF SF SF SF SF SF SF SF Units T ype Number 21 22 23 24 25 26 27 28 Maximum Recurrent Peak Reverse Voltage 50 100 150 200 300 400 500 600 V V RRM M aximum RMS Voltage 35 70 105 140 210 280 350 420 V V RMS M aximum DC Blocking Voltage 5 0 100 150 200 300 400 500 600 V V DC M aximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 5 5 oC P eak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) M aximum Instantaneous Forward Voltage @ 2.0A M aximum DC Reverse Current o @ T A =25 C at Rated DC Blocking Voltage o @ T A =100 C M aximum Reverse Recovery Time (Note 1) T ypical Junction Capacitance (Note 2) T ypical Thermal Resistance O perating Temperature Range I(AV) IFSM VF IR T rr Cj R θJA TJ 2 .0 50 0 .95 5 .0 100 35 40 65 -65 to +125 -65 to +150 30 o A A 1.3 1.7 V uA uA nS pF C/W o o S torage Temperature Range T STG 1. Reverse Recovery Test Conditions: IF =0.5A, IR =1.0A, IRR =0.25A N otes: 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 10mm x 10mm on PCB. C C Version: A06 RATINGS AND CHARACTERISTIC CURVES (SF21 THRU SF28) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 3.0 FIG.3- TYPICAL REVERSE CHARACTERISTICS 10000 AVERAGE FORWARD CURRENT. (A) 2.5 1.5 INSTANTANEOUS REVERSE CURRENT. ( A) 2.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 1000 100 1.0 0.5 Tj=100 0C 10 0 0 25 50 75 100 125 O 150 175 AMBIENT TEMPERATURE. ( C) 1 Tj=25 0C FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 60 PEAK FORWARD SURGE CURRENT. (A) 0.1 50 8.3ms Single Half Sine Wave JEDEC Method 40 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 30 20 FIG.4- TYPICAL FORWARD CHARACTERISTICS 100 10 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS FORWARD CURRENT. (A) FIG.5- TYPICAL JUNCTION CAPACITANCE 150 SF 21 ~S F2 4 10 JUNCTION CAPACITANCE.(pF) 125 100 6 F2 ~S 25 SF SF 28 1 Tj=25 0C 2 SF 7~ 75 SF 21 ~S F2 50 4 0.1 SF 25 25 ~S F2 8 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0 0.1 0.5 1 2 5 10 20 50 100 200 500 1000 REVERSE VOLTAGE. (V) 0.01 0.4 0.6 0.8 1.0 1.2 1.4 FORWARD VOLTAGE. (V) 1.6 1.8 FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A DUT (-) PULSE GENERATOR (NOTE 2) NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr (+) 50Vdc (approx) (-) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm Version: A06