1 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com ? speci cations are subject to change npi power inductors npi__w series features ? high current, small size (up to 8.6 amps) ? surface mountable construction ? high inductance (up to 1000 h) ? taped and reeled for automatic insertion ? for use in dc/dc converters characteristics case size NPI16W npi31w npi34w npi52w inductance range 1 ~ 1000 h 1.0 ~ 1000 h 10 ~ 1000 h 1 ~ 1000 h ambient operating temperature range -40c ~ +85c* maximum component temperature (ambient + self-heating) +125c* temperature rise at irms 40c max. inductance change at isat -10% typical inductance tolerance 20% (m) resistance to solder heat 260c for 10 seconds series a b c d e f g (ref) h (ref) i (ref) NPI16W 4.45 max 6.60 max 2.92 max 1.02 0.2 1.27 0.2 4.32 0.3 4.06 3.56 1.4 npi31w 9.30 0.2 12.80 0.2 5.00 0.3 2.40 0.2 2.50 0.2 7.60 0.3 7.3 2.8 3 npi34w 9.30 0.2 12.80 0.2 11.0 0.5 2.40 0.2 2.50 0.2 7.60 0.3 7.3 2.8 3 npi52w 15.0 0.3 18.40 0.3 7.00 0.5 2.40 0.2 2.20 0.2 13.30 0.3 12.7 2.8 3 dimensions (mm) g i h land pattern construction a c d e NPI16W npi30w, 31w, 34w and 52w b f c e b d f a *see part number system for details rohs compliant includes all homogeneous materials *speci cations re ect recent product changes. for more information refer to pcn announcement [link] npi 31 w 4r7 m tr f rohs compliant packaging: tr = tape & reel inductance tolerance code: m=20% inductance code ( h): 1st two digits are signi 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
2 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com ? speci cations are subject to change npi power inductors npi__w series part number standard values - case size 16 (4.45 x 6.6 x 2.92mm) inductance value ( h) srf (typical) mhz dc resistance ( ) dc current irms (amps) dc current isat (amps) test frequency NPI16W1r0mtrf 1.0 20% 130 0.05 2.9 2.9 100khz NPI16W1r5mtrf 1.5 20% 115 0.05 2.8 2.6 NPI16W2r2mtrf 2.2 20% 90 0.07 2.4 2.3 NPI16W3r3mtrf 3.3 20% 70 0.08 2.0 2.0 NPI16W4r7mtrf 4.7 20% 50 0.09 1.5 1.5 NPI16W6r8mtrf 6.8 20% 45 0.13 1.4 1.2 NPI16W100mtrf 10 20% 35 0.16 1.1 1.1 NPI16W150mtrf 15 20% 30 0.23 1.0 0.90 NPI16W220mtrf 22 20% 20 0.37 0.80 0.70 NPI16W330mtrf 33 20% 15 0.51 0.60 0.58 NPI16W470mtrf 47 20% 14 0.64 0.50 0.50 NPI16W680mtrf 68 20% 11 0.86 0.40 0.50 NPI16W101mtrf 100 20% 9.0 1.27 0.30 0.31 NPI16W151mtrf 150 20% 6.0 2.00 0.25 0.27 NPI16W221mtrf 220 20% 5.5 3.11 0.20 0.22 NPI16W331mtrf 330 20% 5.0 3.80 0.16 0.18 NPI16W471mtrf 470 20% 4.0 6.78 0.15 0.16 NPI16W681mtrf 680 20% 3.0 9.20 0.12 0.14 NPI16W102mtrf 1000 20% 2.0 13.8 0.07 0.10 maximum +40c temperature rise at irms. typcial -10% inductance change at isat. part number standard values - case size 31 (10.0 x 12.7 x 5.0mm) inductance value ( h) srf (typical) mhz dc resistance ( ) dc current irms (amps) dc current isat (amps) test frequency npi31w1r0mtrf 1.0 20% 150 0.009 6.8 9.0 100khz npi31w1r5mtrf 1.5 20% 100 0.010 6.4 8.0 npi31w2r2mtrf 2.2 20% 85 0.012 6.1 7.0 npi31w3r3mtrf 3.3 20% 60 0.015 5.4 5.8 npi31w4r7mtrf 4.7 20% 45 0.018 4.8 5.2 npi31w6r8mtrf 6.8 20% 35 0.027 4.4 4.3 npi31w100mtrf 10 20% 25 0.038 3.9 3.4 npi31w150mtrf 15 20% 20 0.046 3.1 3.0 npi31w220mtrf 22 20% 18 0.085 2.7 2.5 npi31w330mtrf 33 20% 14 0.10 2.1 2.0 npi31w470mtrf 47 20% 11 0.14 1.8 1.8 npi31w680mtrf 68 20% 10 0.20 1.5 1.4 npi31w101mtrf 100 20% 7.0 0.28 1.3 1.1 npi31w151mtrf 150 20% 6.5 0.40 1.0 0.9 npi31w221mtrf 220 20% 5.0 0.61 0.8 0.8 npi31w331mtrf 330 20% 4.0 1.02 0.6 0.6 npi31w471mtrf 470 20% 3.0 1.27 0.5 0.5 npi31w681mtrf 680 20% 2.5 2.02 0.4 0.4 npi31w102mtrf 1000 20% 2.0 3.00 0.3 0.3 maximum +40c temperature rise at irms. typical -10% inductance change at isat.
3 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com ? speci cations are subject to change npi power inductors npi__w series part number standard values - case size 52 (15.0 x 18.4 x 7.0mm) inductance value ( h) srf (typical) mhz dc resistance ( ) dc current irms (amps) dc current isat (amps) test frequency npi52w1r0mtrf 1.0 20% 140 0.009 8.6 20 100khz npi52w1r5mtrf 1.5 20% 110 0.012 7.5 18 npi52w2r2mtrf 2.2 20% 75 0.014 7.1 16 npi52w3r3mtrf 3.3 20% 70 0.018 6.2 14 npi52w4r7mtrf 4.7 20% 55 0.019 5.8 13 npi52w5r6mtrf 5.6 20% 45 0.020 5.3 12 npi52w8r2mtrf 8.2 20% 23 0.025 4.7 11 npi52w100mtrf 10 20% 21 0.031 4.3 10 npi52w150mtrf 15 20% 16 0.036 4.0 8.0 npi52w220mtrf 22 20% 13 0.047 3.5 7.0 npi52w330mtrf 33 20% 11 0.066 3.0 5.5 npi52w470mtrf 47 20% 9.0 0.086 2.6 4.5 npi52w680mtrf 68 20% 6.5 0.13 2.3 3.5 npi52w101mtrf 100 20% 5.7 0.19 1.8 3.0 npi52w151mtrf 150 20% 4.5 0.25 1.5 2.6 npi52w221mtrf 220 20% 3.7 0.38 1.2 2.4 npi52w331mtrf 330 20% 3.0 0.56 1.0 1.9 npi52w471mtrf 470 20% 2.7 0.85 0.82 1.4 npi52w681mtrf 680 20% 2.2 1.10 0.72 1.2 npi52w102mtrf 1000 20% 2.0 1.80 0.56 1.0 npi52w472mtrf 4700 20% - 7.50 0.25 0.35 part number standard values - case size 34 (10.0 x 12.7 x 11mm) inductance value ( h) srf (typical) mhz dc resistance ( ) dc current irms (amps) dc current isat (amps) test frequency npi34w100mtrf 10 20% 23 0.040 3.50 7.0 100khz npi34w150mtrf 15 20% 14 0.050 3.20 5.8 npi34w220mtrf 22 20% 8.5 0.066 2.90 4.8 npi34w330mtrf 33 20% 7.0 0.080 2.35 3.8 npi34w470mtrf 47 20% 6.5 0.110 2.10 3.4 npi34w680mtrf 68 20% 4.5 0.170 1.90 2.7 npi34w101mtrf 100 20% 4.0 0.220 1.55 2.2 npi34w151mtrf 150 20% 3.0 0.340 1.35 1.9 npi34w221mtrf 220 20% 2.5 0.440 1.00 1.5 npi34w331mtrf 330 20% 2.3 0.700 0.90 1.3 npi34w471mtrf 470 20% 2.0 0.950 0.75 1.0 npi34w681mtrf 680 20% 1.5 1.20 0.55 0.9 npi34w102mtrf 1000 20% 1.3 2.00 0.50 0.7 maximum +40c temperature rise at irms. typical -10% inductance change at isat. maximum +40c temperature rise at irms. typcial -10% inductance change at isat.
4 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com ? speci cations are subject to change npi power inductors npi__w series tape width reel dimensions (mm) a(mm) b(mm) c(mm) d(mm) 16mm 16.50.1 1001 130.5 330 24mm 24.50.1 32mm 32.50.1 size reel quantity per case size NPI16W npi22w npi31w npi34w npi52w quantity per reel 2500 1000 500 225 250 tape width 16mm 24mm 24mm 32mm 32mm case size taping dimensions (mm) ao bo co ko w po NPI16W 4.60 6.70 4.25 3.20 12.0 8.0 npi31w 10.00 13.50 11.50 5.60 24.0 12.0 npi34w 10.00 13.50 11.50 11.6 24.0 20.0 npi52w 15.40 18.70 14.25 7.60 32.0 20.0 w co ao po ko bo 1.5mm 0.1 4.0mm 0.5mm 0.05 1.75mm 0.1 b c d a 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
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