? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. shielded power inductors C slc1049 document 498-1 document 498-1 revised 10/20/08 1. when ordering, please specify termination and packaging codes: slc1049-151m lc termination: l = rohs compliant matte tin over nickel over copper. special order: t = rohs tin-silver-copper (95.5/4/0.5) or s = non-rohs tin-lead (63/37). packaging: c =7 machine-ready reel. eia-481 embossed plastic tape (250 per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter c instead. d =13 machine-ready reel. eia-481 embossed plastic tape (1000 per full reel). factory order only, not stocked. 2. inductance tested at 100 khz, 0.1 vrms using an agilent/hp 4263b lcr meter or equivalent. 3. dcr is measured on a micro-ohmmeter at points indicated in the dimensional diagram. 4. srf measured with coils connected in series using an agilent/hp 8753es network analyzer or equivalent. 5. dc current at which the inductance drops 20% (typ) from its value without current. 6. current that causes a 40c temperature rise from 25c ambient. 7. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. l srf 20% 2 dcr 5% 3 typ 4 i sat 5 i rms 6 part number 1 (h) (mohms) (mhz) (a) (a) slc1049-750ml_ 0.075 0.273 200 61.0 43.0 slc1049-101ml_ 0.100 0.273 145 50.0 43.0 slc1049-121ml_ 0.125 0.273 140 37.0 43.0 slc1049-151ml_ 0.150 0.273 133 30.0 43.0 recommended land pattern 0.401 10,20 max 0.203 5,16 0.118 3,00 0.148 3,76 0.130 3,30 0.311 7,90 max 0.100 2,54 min 0.271 6,88 max dash number internal code points used for measuring dcr xxx x dimensions are in inches mm core material ferrite core and winding loss see www.coilcraft.com/coreloss terminations rohs compliant matte tin over nickel over copper. other terminations available at additional cost. weight 1.25 ? 1.30 g ambient temperature ?40c to +85c with i rms current, +85c to +125c with derated current storage temperature component: ?40c to +125c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 packaging 250/7 reel; 1000/13 reel plastic tape: 24 mm wide, 0.35 mm thick, 12 mm pocket spacing, 5.08 mm pocket depth pcb washing only pure water or alcohol recommended ? designed foruse in multi-phase vrm/vrd regulators and high current/high frequency dc/dc converters. ? requires only 70 mm 2 of board space; can handle up to 61 a
? coilcraft, inc. 2010 smt power inductors - slc1049 series specifications subject to change without notice. please check our website for latest information. document 498-2 document 498-2 revised 10/20/08 l vs frequency esr vs frequency typical temperature rise vs current 0 50 40 30 20 10 1 0.1 10 100 1000 equivalent series resistance (ohms) frequency (mhz) 0.125 h 0.100 h 0.075 h 0.150 h 80 70 60 50 40 30 20 0 10 temperature rise (from 25c) current (a rms) 10 03040 20 50 60 70 l vs current 0.20 0.15 0.10 0.05 0 0.1 1 10 100 inductance (h) current (a) 0.150 h 0.125 h 0.100 h 0.075 h 0 0.1 1 10 100 frequency (mhz) 0.20 0.15 0.10 0.05 inductance (h) 0.150 h 0.125 h 0.100 h 0.075 h irms derating -40 -20 0 20 40 60 80 100 140 120 ambient temperature (c) percent of rated current 120 110 100 90 80 70 60 50 40 30 20 10 0 25c
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