50 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com 51 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com npi power inductors npi__l series part number standard values - case size 17 (5.5 x 6.6 x 1.2mm) inductance value (h) dc resistance (?) dc current isat (irms) test frequency npi17l1r2mtrf 1.2h 20% 0.12 2.10 100khz npi17l1r5mtrf 1.5h 20% 0.15 1.90 npi17l2r2mtrf 2.2h 20% 0.20 1.60 npi17l3r3mtrf 3.3h 20% 0.25 1.30 npi17l4r7mtrf 4.7h 20% 0.28 1.10 npi17l6r8mtrf 6.8h 20% 0.32 0.90 npi17l100mtrf 10h 20% 0.41 0.80 npi17l150mtrf 15h 20% 0.60 0.65 npi17l220mtrf 22h 20% 0.85 0.50 npi17l330mtrf 33h 20% 1.30 0.40 npi17l470mtrf 47h 20% 1.80 0.35 npi17l680mtrf 68h 20% 2.50 0.30 npi17l101mtrf 100h 20% 3.50 0.25 npi17l151mtrf 150h 20% 5.00 0.18 npi17l221mtrf 220h 20% 8.00 0.16 npi17l331mtrf 330h 20% 15.0 0.13 features ? ultra low profile (1.2mm max. height) ? surface mountable construction ? high inductance (up to 330 h) ? taped and reeled for automatic insertion characteristics case size npi17l inductance range 1.2h ~ 330h temperature range -20c ~ +105c temperatrue rise at irms 40c max. inductance change at isat -30% typical inductance tolerance 20% (m) resistance to solder heat 260c for 5 seconds npi 17 l 4r7 m tr f rohs compliant packaging: tr = tape & reel inductance tolerance code: m=20% inductance code ( h): 1st two digits are signif cant, 3rd digit is multiplier for values from 10 h and up. construction code (see drawing for details) size code (see table for details) series part number system rohs compliant includes all homogeneous materials *see part number system for details maximum +40c temperature rise at irms. typical -30% inductance change at isat.
52 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com 53 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com npi power inductors npi__l series tape width reel dimensions (mm) & quantity a(mm) b(mm) c(mm) d(mm) qty/reel 16mm 12.50.1 501 130.2 178 1,000 b c d a case size taping dimensions (mm) ao bo co ko w po npi17l 5.8 6.8 7.5 1.4 16 8.0 series a b c d (ref) e (ref) i (ref) g (ref) h (ref) npi17l 5.5 max 6.60 max 1.20 max 0.75 2.50 1.1 4.7 2.5 npi17l a b c d e part and land pattern dimensions g i h land pattern w co ao po ko bo 1.5mm 0.1 4.0mm 0.5mm 0.05 1.75mm 0.1 reflow soldering profile soldering 260c max. 5 seconds max. cool down 60 ~ 120 sec. 25 50 100 150 200 250 300 pre-heat 150c ~ 180c time above 230c 30 seconds max. 30 60 90 120 150 180 210 240 270 300 time - seconds temperature c
116 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com 117 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com isat and irms isat saturation current) is the current reuired to decrease the inductance aue the speciied maimum amount ien as a percentae o the nomina inductance aue) irms is the current reuired to increase the temperature o the part a maimum speciiced amount ien as a temperature rise in c) in some instances isat and irms are shon separate ith a maimum decrease in inductance speci ied at one current ratin isat) and a maimum temperature rise speciiced at another current ratin irms) in other cases one current aue is ien or oth speciied as idc) and represents the current at hich a speciied maimum inductance decrease and a maimum speciied temperature rise can occur the raph eo iustrates chane in inductance and temperature as current increases based on the aoe raph isat and irms coud e epressed as oos isat and irms can e shon as separate current aues the isat current is a aue o current that coud potentia produce a speciied maimum inductance chane etc o the nomina aue) in this case a current has produced a inductance chane so coud e speciied as the inductors isat current ratin the irms coud e epressed as the current that produces a c temperature rise hich in this case is aout both isat and irms can e epressed usin one current aue idc) in the aoe raph coud e speciied as the idc or the part notin that at a potentia c temperature rise euiaent to irms) and a chane in inductance euiaent to isat) coud occur npi & npis series
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