? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. shielded power inductors C XFL4020 document 745-1 document 745-1 revised 01/19/10 inductance 2 dcr (mohms) srf typ 4 i sat (a) 5 i rms (a) 6 part number 1 20% (h) typ 3 max 3 (mhz) 10% drop 20% drop 30% drop 20c rise 40c rise XFL4020-102me_ 1.0 10.80 11.90 64 4.5 5.1 5.4 8.0 11.0 XFL4020-152me_ 1.5 14.40 15.80 59 4.1 4.4 4.6 6.7 9.1 XFL4020-222me_ 2.2 21.35 23.50 38 3.1 3.5 3.7 6.0 8.0 XFL4020-332me_ 3.3 34.80 38.30 33 2.7 2.8 2.9 3.9 5.2 XFL4020-472me_ 4.7 52.20 57.40 26 2.0 2.5 2.7 3.6 5.0 1. when ordering, please specify packaging code: XFL4020-472me c packaging: c =7 machine-ready reel. eia-481 embossed plastic tape (1000 parts 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. factory order only, not stocked (3500 parts per full reel). 2. inductance tested at 100 khz, 0.1 vrms, 0 adc. 3. dcr measured on a micro-ohmmeter. 4. srf measured using agilent/hp 4395a or equivalent. 5. dc current at which the inductance drops the specified amount from its value without current. 6. current that causes the specified temperature rise from 25c ambient. 7. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. designer?s kit c436 contains 5 each of all values terminations rohs compliant tin-silver over copper. other terminations available at additional cost. weight 162 ? 169 mg 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) mean time between failures (mtbf) 26,315,789 hours packaging 1000/7 reel; 3500/13 reel plastic tape: 12 mm wide, 0.23 mm thick, 8 mm pocket spacing, 2.3 mm pocket depth pcb washing only pure water or alcohol recommended ? exceptionally low dcr ? 10.8 mohm ? excellent current handling capability dimensions are in inches mm 0.157 0.012 4,0 0,3 0.157 0.012 4,0 0,3 0.083 2,10 0.126 3,2 0.033 0,85 0.063 1,6 0.039 1,0 max 0.154 3,90 0.145 3,7 recommended land pattern dash number xxx i rms testing i rms testing was performed on 0.75 inch wide 0.25 inch thick copper traces in still air. temperature rise is highly dependent on many factors including pcb land pattern, trace size, and proximity to other components. therefore temperature rise should be verified in application conditions.
? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. smt power inductors C XFL4020 series document 745-2 document 745-2 revised 01/19/10 l vs frequency esr vs frequency 0.1 1 10 0.01 0.1 10 1 current (a) inductance (h) 1.5 h 2.2 h 3.3 h 4.7 h 1.0 h 0.1 1 10 0.1 1.0 100 10 frequency (mhz) inductance (h) 1.5 h 2.2 h 3.3 h 4.7 h 1.0 h equivalent series resistance (ohms) frequency (mhz) 1.5 h 2.2 h 3.3 h 4.7 h 1.0 h 0 5 10 15 20 25 30 35 40 45 50 0.1 1 100 10 l vs current -40 -20 0 20 40 60 80 100 140 120 ambient temperature (c) 120 110 100 90 80 70 60 50 40 30 20 10 0 25c percent of rated rms i irms derating
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