1 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com ? specif cations are subject to change npis__lp series features ? shielded power inductor ? high current (up to 3.6 amps) ? 30% lower dcr than npis_ls series ? robust construction ? taped and reeled for automatic insertion ? for use in dc/dc converters case size npis21lp inductance range 0.47 ~ 4.7h ambient operating temperature range -25c ~ +125c (including self-heating) temperatrue rise at irms maximum +40c temperature rise inductance change at isat maximum -30% indcutance drop from initial measured value inductance tolerance 20% (m) resistance to solder heat +260c for 10 seconds characteristics npis shielded power inductors *see part number system for details rohs compliant includes all homogeneous materials dimensions (mm) series a b c d e f g i h npis21lp 2.5 0.1 2.0 0.1 1.2 max. 1.5 0.2 0.80 0.2 0.80 0.2 0.8 0.85 2.0 npis 21 lp 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. construction code (see drawing for details) size code (see table for details) series part number system a b f d e c h g i i
2 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com ? specifcations are subject to change npis__lp series npis shielded power inductors series standard values - case size 21 (2.0 x 2.5 x 1.2mm) inductance (nh) tolerance test conditions max. dcr () isat (amps) irms (amps) max. typ. max. typ. npis21lpr47mtrf 0.47 20% 100khz, 1v 0.03 3.3 3.6 3.3 3.6 NPIS21LP1R0MTRF 1.0 20% 100khz, 1v 0.038 2.4 2.6 2.4 2.6 npis21lp1r5mtrf 1.5 20% 100khz, 1v 0.078 2.1 2.3 1.95 2.15 npis21lp2r2mtrf 2.2 20% 100khz, 1v 0.096 1.8 1.95 1.8 2 npis21lp3r3mtrf 3.3 20% 100khz, 1v 0.168 1.6 1.75 1.3 1.4 npis21lp4r7mtrf 4.7 20% 100khz, 1v 0.234 1.4 1.5 1.1 1.2 maximum +40c temperature rise at irms. maximum -30% inductance drop from initial measured value at isat. npis21lp size tape width reel dimensions (mm) a(mm) b(mm) c(mm) d(mm) npis21lp 9.0 1.5 58 2.0 13.5 0.2 178 2.0 case size carrier taping dimensions (mm) and reel quantity ao bo ko co w po t quantity npis21lp 2.2 0.1 2.6 0.1 1.4 0.1 3.5 0.1 8.0 0.3 4.0 0.1 0.3 0.03 2,000 w co ao po ko bo 1.5mm 0.1 4.0mm 0.1 1.75mm 0.1 t b c d a reflow soldering profile soldering 260c max. 10 seconds max. cool down pre-heat 120 sec. 30 sec. 25 50 100 150 200 250 300 time above 240c 20 ~ 60 sec. 30 60 90 120 150 180 210 240 270 300 time - seconds temperature c +190c
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