document 982f-1 revised 12/05/12 document 982f-1 core material ferrite core and winding loss go to online calculator environmental rohs compliant, halogen free weight 18 C 28 mg terminations rohs compliant silver-palladium-platinum-glass frit. ambient temperature C40c to +85c with i rms current, +85c to +125c with derated current storage temperature component: C40c to +125c. tape and reel packaging: C40c to +80c winding to winding isolation 250 vrms, one minute resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited foor 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 2000/7 reel; 7500/13 reel plastic tape: 8 mm wide, 0.20 mm thick, 4 mm pocket spacing, 1.21 mm pocket depth pcb washing tested with pure water or alcohol only. for other solvents, see doc787_pcb_washing.pdf . dimensions are in inches mm 2 1 4 3 l1 l2 coupled chip inductors C PFD3215 for flyback, sepic and other applications the PFD3215 has a footprint less than 3.2 2.3 mm, making this shielded coupled inductor ideal for applications with limited board space. it is designed for use in a variety of circuits including fyback, multi-output buck and sepic. these inductors provide high effciency and excellent cur - rent handling in a rugged, low cost part. they can also be used as two single inductors connected in series or parallel, as a wideband transformers or as a common mode choke. 0.059 1,5 max max 0.092 2,33 0.025 0,635 0.088 2,24 0.024 0,610 0.030 0,762 0.028 0,711 0.078 1,98 0.014 0.003 0,356 0,0762 0.006 0,15 recommended land p attern max 0.131 3,32 12 4 3 12 4 3 l1 l2 + + ? ? d c c t ypical fl ybac k co n ver ter v out v in sw l1 l2 ++ + ?? ? d d c c sw t ypical buc k con ver ter with auxiliary output v out v out v out au x v in v in l1 l2 q c1 c ++ ?? d t ypical sepic schematic ref er to application note , document 639, ?selecting coupled inductors f or sepic applications? us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation. specifcations subject to change without notice. please check our website for latest information. us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
document 982f-2 revised 12/05/12 document 982f-2 dcr srf coupling leakage i sat (a) 6 i rms (a) inductance 2 max 3 typ 4 coeffcient inductance 5 10% 20% 30% both one part number 1 20% (h) (ohms) (mhz) typ typ (h) drop drop drop windings 7 winding 8 PFD3215-391me_ 0.39 0.070 600 0.89 0.08 2.10 2.30 2.40 0.98 1.39 PFD3215-102me_ 1.0 0.123 400 0.95 0.09 1.35 1.55 1.65 0.85 1.20 PFD3215-182me_ 1.8 0.250 230 0.97 0.11 1.00 1.20 1.30 0.60 0.85 PFD3215-222me_ 2.2 0.265 270 0.97 0.13 0.95 1.05 1.15 0.57 0.81 PFD3215-332me_ 3.3 0.360 190 0.98 0.14 0.75 0.83 0.90 0.55 0.78 PFD3215-472me_ 4.7 0.450 175 0.98 0.17 0.65 0.75 0.80 0.51 0.72 PFD3215-682me_ 6.8 0.630 155 0.98 0.25 0.55 0.65 0.70 0.40 0.57 PFD3215-103me_ 10 1.25 110 0.98 0.31 0.45 0.50 0.55 0.27 0.38 1. when ordering, please specify packaging code: PFD3215-103me c packaging: c = 7 machine-ready reel. eia-481 embossed plastic tape (2000 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. fac - tory order only, not stocked (7500 parts per full reel). 2. inductance shown for each winding, measured at 100 khz, 0.1 vrms, 0 adc on an agilent/hp 4284a lcr meter or equivalent. when leads are connected in parallel, inductance is the same value. when leads are connected in series, inductance is four times the value. 3. dcr is for each winding. when leads are connected in parallel, dcr is half the value. when leads are connected in series, dcr is twice the value. 4. srf measured using an agilent/hp 4191a or equivalent. when leads are connected in parallel, srf is the same value. 5. leakage inductance is for the primary winding with the secondary windings shorted. 6. dc current, at which the inductance drops the specifed amount from its value without current. it is the current fowing in one winding. 7. equal current when applied to each winding simultaneously that causes a 40c temperature rise from 25c ambient. see temperature rise calculation. 8. maximum current when applied to one winding that causes a 40c temperature rise from 25c ambient. see temperature rise calculation. 9. electrical specifcations at 25c. refer to doc 639 selecting coupled inductors for sepic applications. refer to doc 362 soldering surface mount components before soldering. inductance inductance dcr leakage at 0 a 2 at i pk a 3 max inductance 4 turns i pk 3 part number 1 20% (h) 20% (h) (ohms) typ (h) ratio (a) PFD3215-391me_ 0.39 0.27 0.070 0.08 1 : 1 2.40 PFD3215-102me_ 1.0 0.70 0.123 0.09 1 : 1 1.65 PFD3215-182me_ 1.8 1.26 0.250 0.11 1 : 1 1.30 PFD3215-222me_ 2.2 1.54 0.265 0.13 1 : 1 1.15 PFD3215-332me_ 3.3 2.31 0.335 0.14 1 : 1 0.90 PFD3215-472me_ 4.7 3.29 0.442 0.17 1 : 1 0.80 PFD3215-682me_ 6.8 4.76 0.600 0.25 1 : 1 0.70 PFD3215-103me_ 10 7.00 1.22 0.31 1 : 1 0.55 1. when ordering, please specify packaging code: PFD3215-103me c packaging: c = 7 machine-ready reel. eia-481 embossed plastic tape (2000 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 d instead. d = 13 machine-ready reel. eia-481 embossed plastic tape. factory order only, not stocked (7500 parts per full reel). PFD3215 coupled inductors for sepic applications PFD3215 coupled inductors for flyback applications 2. inductance is for the primary, measured at 100 khz, 0.1 vrms, 0 adc on an agilent/hp 4284a lcr meter or equivalent. 3. peak primary current drawn at minimum input voltage. 4. leakage inductance is for the primary winding with the secondary windings shorted. 5. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. coupled inductor core and winding loss calculator this web-based utility allows you to enter frequency, peak-to-peak (ripple) current, and i rms current to predict temperature rise and overall losses, including core loss. go to online calculator . specifcations subject to change without notice. please check our website for latest information. us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
document 982f-3 revised 12/05/12 document 982f-3 l vs current typical current derating l vs frequency PFD3215 coupled inductors for flyback, sepic and other applications -40 -20 02 04 06 08 0 100 140 120 ambient temperature (c) 120 110 100 90 80 70 60 50 40 30 20 10 0 25c pe r cent of rated rms i specifcations subject to change without notice. please check our website for latest information. us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
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