Chip Super Fast Rectifiers Formosa MS SFM21-S THRU SFM28-S List List................................................................................................. 1 Package outline............................................................................... 2 Features.......................................................................................... 2 Mechanical data............................................................................... 2 Maximum ratings ............................................................................. 2 Rating and characteristic curves........................................................ 3 Pinning information........................................................................... 4 Marking........................................................................................... 4 Suggested solder pad layout............................................................. 4 Packing information.......................................................................... 5 Reel packing.................................................................................... 6 Suggested thermal profiles for soldering processes............................. 6 High reliability test capabilities........................................................... 7 http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 Page 1 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7 Chip Super Fast Rectifiers Formosa MS SFM21-S THRU SFM28-S 2.0A Surface Mount Super Fast Rectifiers-50-600V Package outline Features SMA-S • Batch process design, excellent power dissipation offers • • • • • • • better reverse leakage current and thermal resistance. Low profile surface mounted application in order to optimize board space. High current capability. Superfast recovery tim for switching mode application. High surge current capability. Glass passivated chip junction. Lead-free parts meet RoHS requirments. Suffix "-H" indicates Halogen free parts, ex. SFM21-S-H. 0.213(5.4) 0.197(5.0) 0.063(1.6) 0.012(0.3) Typ. 0.106(2.7) 0.091(2.3) 0.055(1.4) Mechanical data 0.071(1.8) 0.060(1.5) • Epoxy:UL94-V0 rated flame retardant • Case : Molded plastic, DO-214AC / SMA-S • Terminals : Solder plated, solderable per 0.040(1.0) Typ. MIL-STD-750, Method 2026 0.040 (1.0) Typ. Dimensions in inches and (millimeters) • Polarity : Indicated by cathode band • Mounting Position : Any • Weight : Approximated 0.05 gram Maximum ratings and Electrical Characteristics (AT PARAMETER o T A=25 C unless otherwise noted) CONDITIONS Forward rectified current See Fig.2 Forward surge current 8.3ms single half sine-wave (JEDEC methode) MAX. UNIT IO 2.0 A I FSM 50 A Symbol MIN. TYP. O V R = V RRM T J = 25 C Reverse current Typical thermal resistance Junction to ambient , note 2 Junction to case, note 2 Diode junction capacitance f=1MHz and applied 4V DC reverse voltage Storage temperature V RMS*2 (V) *3 VR (V) SFM21-S 50 35 50 SFM22-S 100 70 100 SFM23-S 150 105 150 SFM24-S 200 140 200 SFM25-S 300 210 300 SFM26-S 400 280 400 SFM27-S 500 350 500 SFM28-S 600 420 600 *4 VF (V) Operating temperature T J, ( OC) *5 t rr (ns) uA 100 R θJA R θJC 45 26 CJ 25 T STG *1 V RRM (V) SYMBOLS 5.0 IR O V R = V RRM T J = 125 C O pF +175 -65 C/W O C *1 Repetitive peak reverse voltage *2 RMS voltage 0.95 *3 Continuous reverse voltage 35 -55 to +150 1.25 *4 Maximum forward voltage@I F=2.0A *5 Maximum Reverse recovery time , note 1 1.70 Note 1. Reverse recovery time test condition, I F =0.5A, I R =1.0A, I RR =0.25A 2. Mounted on 1.6 mm x 1.5 mm PCB http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 Page 2 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7 Rating and characteristic curves (SFM21-S THRU SFM28-S) FIG.1-TYPICAL FORWARD FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE CHARACTERISTICS 2.8 AVERAGE FORWARD CURRENT,(A) -S SF M2 8 SF M2 7 1.0 -S ~ SF M2 1-S ~S FM 24 -S SF M2 5S~ SF M2 6S .1 2 .4 2 .0 1.6 1 .2 .8 P.C.B. Mounted on 1.6 mm x 1.5 mm Copper Pad Areas .4 0 0 20 40 TJ=25 C 60 80 100 120 140 160 180 LEAD TEMPERATURE (°C) Pulse Width 300us 1% Duty Cycle .01 FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT .6 .8 1.0 1.2 1.4 1.6 PEAK FORWARD SURGE CURRENT,(A) 50 .001 .4 1.8 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50W NONINDUCTIVE 10W NONINDUCTIVE ( ) (+) D.U.T. 25Vdc (approx.) PULSE GENERATOR (NOTE 2) ( ) 40 30 8.3ms Single Half TJ=25 C Sine Wave 20 JEDEC method 10 0 1 5 50 10 100 (+) 1W NONINDUCTIVE OSCILLISCOPE (NOTE 1) NUMBER OF CYCLES AT 60Hz NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. FIG.5-TYPICAL JUNCTION CAPACITANCE 70 trr JUNCTION CAPACITANCE,(pF) INSTANTANEOUS FORWARD CURRENT,(A) 10 | | | | | | | | +0.5A 0 -0.25A -1.0A 60 50 40 30 20 10 1cm SET TIME BASE FOR 50 / 10ns / cm 0 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 Page 3 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7 Chip Super Fast Rectifiers Formosa MS SFM21-S THRU SFM28-S Pinning information Pin Pin1 Pin2 Simplified outline cathode anode 1 Symbol 2 1 2 Marking Type number Marking code SFM21-S SFM22-S SFM23-S SFM24-S SFM25-S SFM26-S SFM27-S SFM28-S S21 S22 S23 S24 S25 S26 S27 S28 Suggested solder pad layout C A B Dimensions in inches and (millimeters) PACKAGE A B C SMA-S 0.063 (1.60) 0.059 (1.50) 0.110 (2.80) http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 Page 4 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7 Chip Super Fast Rectifiers Formosa MS SFM21-S THRU SFM28-S Packing information P0 P1 d E F B A W P D2 D1 T C W1 D unit:mm Item Symbol Tolerance SMA-S Carrier width Carrier length Carrier depth Sprocket hole 13" Reel outside diameter 13" Reel inner diameter 7" Reel outside diameter 7" Reel inner diameter Feed hole diameter Sprocket hole position Punch hole position Punch hole pitch Sprocket hole pitch Embossment center Overall tape thickness Tape width Reel width A B C d D D1 D D1 D2 E F P P0 P1 T W W1 0.1 0.1 0.1 0.1 2.0 min 2.0 min 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.3 1.0 2.90 5.50 2.10 1.50 330.00 50.00 178.00 62.00 13.00 1.75 5.50 4.00 4.00 2.00 0.23 12.00 18.00 Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above. http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 Page 5 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7 Chip Super Fast Rectifiers Formosa MS SFM21-S THRU SFM28-S Reel packing PACKAGE REEL (pcs) COMPONENT SPACING (m/m) BOX (pcs) INNER BOX (m/m) REEL DIA, (m/m) 7" 2,000 4.0 20,000 183*155*183 178 382*356*392 160,000 15.5 13" 7,500 4.0 15,000 337*337*37 330 350*330*360 120,000 14.2 REEL SIZE CARTON SIZE (m/m) CARTON (pcs) APPROX. GROSS WEIGHT (kg) SMA-S Suggested thermal profiles for soldering processes 1.Storage environment: Temperature=5 oC ~40 oC Humidity=55%±25% 2.Reflow soldering of surface-mount devices Critical Zone TL to TP Tp TP Ramp-up TL TL Tsmax Temperature Tsmin tS Preheat Ramp-down 25 t25o C to Peak Time 3.Reflow soldering Profile Feature Soldering Condition Average ramp-up rate(T L to T P ) o <3 C /sec Preheat -Temperature Min(Tsmin) -Temperature Max(Tsmax) -Time(min to max)(t s ) o 150 C o 200 C 60~120sec Tsmax to T L -Ramp-upRate o <3 C /sec Time maintained above: -Temperature(T L ) -Time(t L ) o 217 C 60~260sec o o 255 C- 0/ + 5 C Peak Temperature(T P ) o Time within 5 C of actual Peak Temperature(t P ) 10~30sec Ramp-down Rate <6 C /sec o o Time 25 C to Peak Temperature http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 <6minutes Page 6 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7 Chip Super Fast Rectifiers Formosa MS SFM21-S THRU SFM28-S High reliability test capabilities Item Test Conditions Reference O MIL-STD-750D METHOD-2031 O MIL-STD-202F METHOD-208 1. Solder Resistance at 260 ± 5 C for 10 ± 2sec. immerse body into solder 1/16" ± 1/32" 2. Solderability at 245 ± 5 C for 5 sec. 3. High Temperature Reverse Bias V R=80% rate at T J=150 C for 168 hrs. 4. Forward Operation Life Rated average rectifier current at T A=25 C for 500hrs. MIL-STD-750D METHOD-1038 O MIL-STD-750D METHOD-1027 O O 5. Intermittent Operation Life 6. Pressure Cooker T A = 25 C, I F = I O On state: power on for 5 min. off state: power off for 5 min. on and off for 500 cycles. MIL-STD-750D METHOD-1036 JESD22-A102 O 15P SIG at T A=121 C for 4 hrs. O MIL-STD-750D METHOD-1051 O 7. Temperature Cycling -55 C to +125 C dwelled for 30 min. and transferred for 5min. total 10 cycles. 8. Forward Surge 8.3ms single half sine-wave , one surge. 9. Humidity at T A=85 C , RH=85% for 1000hrs. 10. High Temperature Storage Life at 175 C for 1000 hrs. MIL-STD-750D METHOD-4066-2 MIL-STD-750D METHOD-1021 O http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141 MIL-STD-750D METHOD-1031 O Page 7 Document ID Issued Date Revised Date DS-121431 2009/02/10 2011/07/22 Revision C Page. 7