48 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com 49 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com series a b c d l l 1 w w 1 t npi21s 4.80.1 3.0 0.1 0.5 0.1 0.4 0.1 5.2 0.1 5.0 0.1 6.5 max. 5.0 0.1 1.05 max. npi22s 1.25 max. npi23s 1.55 max. npi24s 2.55 max. npi__s series npi power inductors t case size npi21s npi22s npi23s npi24s inductance range2.2h ~ 47h100h ~ 1,000h100h ~ 3,300h inductance tolerance 20% (m) operating temperature range -25c ~ +85c inductance change at isat -10% max. temperature rise at isat +40c max. resistance to solder heat 260c for 10 seconds (inductance change 10% max.) features ? miniature size (6.5mm x 5.2mm) ? low profile (1.05mm ~ 2.55mm maximum height) ? surface mountable construction ? taped and reeled for automatic insertion case dimensions (mm) characteristics series l g g 1 h npi_s 5.4 4.2 2.2 3.8 npi 21 s 220 m tr f rohs compliant p ackaging: 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 land pattern dimensions (mm) l g h a b c d 1 2 3 4 w 1 w l 1 l 100 1 2 3 4 circuit schematic 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 rohs compliant includes all homogeneous materials *see part number system for details
48 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com 49 ? nic components corp. www .niccomp. com www .lowesr. com www .rfpassives. com www .smtmagnetics. com part number standard values - 21 case size (6.5 x 5.2 x 1.05mm) inductance value (h) dc resistance (?) dc current (irms) dc current (isat) test frequency npi21s2r2mtrf 2.220% 0.18 0.51 1.70 100khz npi21s3r3mtrf 3.320% 0.22 0.46 1.50 npi21s4r7mtrf 4.720% 0.28 0.41 1.32 npi21s6r8mtrf 6.820% 0.38 0.35 1.12 npi21s100mtrf 1020% 0.61 0.27 0.90 NPI21S150MTRF 1520% 0.82 0.24 0.73 npi21s220mtrf 2220% 1.10 0.20 0.62 npi21s330mtrf 3320% 1.88 0.15 0.52 npi21s470mtrf 4720% 2.34 0.14 0.42 part number standard values - 22 case size (6.5 x 5.2 x 1.25mm) inductance value (h) dc resistance (?) dc current (irms) dc current (isat) test frequency npi22s2r2mtrf 2.220% 0.18 0.55 1.97 100khz npi22s3r3mtrf 3.320% 0.22 0.50 1.82 npi22s4r7mtrf 4.720% 0.27 0.45 1.54 npi22s6r8mtrf 6.820% 0.37 0.38 1.30 npi22s100mtrf 1020% 0.48 0.33 1.10 npi22s150mtrf 1520% 0.62 0.29 0.95 npi22s220mtrf 2220% 1.00 0.23 0.77 npi22s330mtrf 3320% 1.40 0.19 0.6 npi22s470mtrf 4720% 2.16 0.15 0.51 part number standard values - 23 case size (6.5 x 5.2 x 1.55mm) inductance value (h) dc resistance (?) dc current (irms) dc current (isat) test frequency npi23s101mtrf 10020% 3.2 0.160 0.50 100khz npi23s151mtrf 15020% 5.0 0.130 0.35 npi23s221mtrf 22020% 6.5 0.115 0.30 npi23s331mtrf 33020% 12 0.085 0.22 npi23s471mtrf 47020% 22 0.060 0.17 npi23s631mtrf 63020% 27 0.055 0.15 npi23s102mtrf 100020% 33 0.050 0.13 part number standard values - 24 case size (6.5 x 5.2 x 2.55mm) inductance value (h) dc resistance (?) dc current (irms) dc current (isat) test frequency npi24s101mtrf 10020% 1.6 0.240 0.45 100khz npi24s151mtrf 15020% 2.5 0.190 0.35 npi24s221mtrf 22020% 3.8 0.160 0.30 npi24s331mtrf 33020% 5.9 0.130 0.25 npi24s471mtrf 47020% 7.5 0.110 0.22 npi24s681mtrf 68020% 12 0.090 0.18 npi24s102mtrf 100020% 20 0.070 0.14 npi24s152mtrf 150020% 25 0.060 0.12 npi24s222mtrf 220020% 45 0.045 0.09 npi24s332mtrf 330020% 60 0.040 0.08 npi__s series npi power inductors maximum +40c temperature rise at irms. maximum -10% inductance change at isat.
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 case size taping dimensions (mm) ao bo ko co w po qty/reel npi21s 5.45 0.1 6.75 0.1 1.40 0.1 7.50 0.1 16.0 8.0 3,000 npi22s npi23s 1.75 0.1 npi24s 2.80 0.1 2,000 tape width reel dimensions (mm) a(mm) b(mm) c(mm) d(mm) 16mm 18.0 +0 50 -0 13 0.5 330 b c d a w co ao po ko bo 1.5mm 0.1 4.0mm 0.1 1.75mm 0.1 0.35mm 0.05 npi__s series npi power inductors
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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