SF28G

SF21G - SF28G 2.0 AMPS. Glass Passivated Super Fast Rectifiers DO-15 Features H igh efficiency, low VF H igh current capability H igh reliability H igh surge current capability Low power loss. For use in low voltage, high frequency inventor, free wheeling, and polarity protection application M echanical Data C ase: Molded plastic E poxy: UL 94V-0 rate flame retardant Lead: 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 M ounting position: Any 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% Symbol SF SF SF SF Type Number M aximum Recurrent Peak Reverse Voltage M aximum RMS Voltage M aximum DC Blocking Voltage M aximum Average Forward Rectified Current .375(9.5mm) Lead Length @ TA=55 oC Peak 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 @ T A=25 oC at Rated DC Blocking Voltage @ TA=125 oC Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal Resistance Operating Temperature Range Storage Temperature Range N otes: SF SF SF SF U nits 21G 22G 23G 24G 25G 26G 27G 28G VRRM VRMS VDC I(AV) IFSM VF IR Trr Cj R θJA TJ 50 100 150 200 300 400 500 600 35 70 105 140 210 280 350 420 50 100 150 200 300 400 500 600 2.0 50 0.95 5.0 100 35 40 65 -65 to +150 -65 to +150 20 o V V V A A 1.3 1.7 V uA uA nS pF C/W o o TSTG 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 10mm x 10mm on PCB. C C Version: A06 RATINGS AND CHARACTERISTIC CURVES (SF21G THRU SF28G) FIG.1- MAXIMUM AVERAGE FORWARD CURRENT DERATING 3.0 FIG.2- TYPICAL REVERSE CHARACTERISTICS 1000 AVERAGE FORWARD CURRENT. (A) 2.5 INSTANTANEOUS REVERSE CURRENT. ( A) 2.0 100 Tj=125 0C 1.5 1.0 0.5 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 0 25 50 75 100 125 O 10 Tj=75 0C 0 150 175 AMBIENT TEMPERATURE. ( C) 1 Tj=25 0C FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 60 PEAK FORWARD SURGE CURRENT. (A) 50 0.1 0 8.3ms Single Half Sine Wave JEDEC Method 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 40 30 20 FIG.5- TYPICAL FORWARD CHARACTERISTICS 100 10 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS FORWARD CURRENT. (A) 10 FIG.4- TYPICAL JUNCTION CAPACITANCE 150 2 SF 1G ~S F2 4G 6G 2 SF 1 5G ~S F2 JUNCTION CAPACITANCE.(pF) 125 2 SF 7G ~S F2 8G 100 75 50 25 0 0.1 SF 21 G~ SF 24 G SF 25G ~S F28 G Tj=25 0C 0.1 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.5 1 2 5 10 20 50 100 200 500 1000 0.01 0.4 0.6 REVERSE VOLTAGE. (V) 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