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power inductors < smd type > cdrh4d18 ( 1.0 h - 180 h ) ( 4.7 h - 10 h ) cdrh4d18c ( 1.1 h - 100 h ) dimensions (mm) construction land patterns (mm) CDRH4D14/hp dimensions (mm) construction land patterns (mm) dimensions (mm) construction land patterns (mm) new cdrh4d18c/ld ( 1.1 h - 100 h ) dimensions (mm) construction land patterns (mm) 4.5 2.0max. 5.0max. 1.5 4.5 5.0max. 6.9max. 5.3 1.9 1.5 1.9 5.1max. 5.1max. 2.0max. 6.2max. 1.4 4.4 6.5 4.0 2.0 45? 5.1max. 5.1max. 2.0max. 6.2max. 1.4 4.4 6.5 4.0 2.0 45? 1.5max. 4.6 0.2 4.6 0.2 5.2 1.2 3.3 ?
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a ???w?t?/1??mzoxi^m{ e.g. ordering code of lead product: type name- ordering code of lead-free product: t ype name np power inductors < smd type > type : CDRH4D14/hp, cdrh4d18, cdrh4d18c, cdrh4d18c/ld parts no. l (h) CDRH4D14/hp cdrh4d18 cdrh4d18c cdrh4d18c/ld 1r0 1r1 2r2 2r7 3r0 3r3 3r9 4r7 5r6 6r3 6r8 8r2 100 120 150 180 220 270 330 390 470 560 680 820 101 121 151 181 1.0 1.1 2.2 2.7 3.0 3.3 3.9 4.7 5.6 6.3 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 1.40 1.15 950m 1.10 920m 750m 140m(115m) 190m(155m) 280m(230m) d.c.r.( ? ) : max.(typ.) saturation rated current (a) *c te mperature rise current (typ.)(a) *iv 1.72 1.32 1.28 1.04 880m 840m 800m 760m 680m 610m 560m 500m 480m 410m 350m 320m 300m 280m 260m 240m 220m 200m 180m 150m 140m 45m( 35m) 75m( 58m) 105m( 80m) 110m( 85m) 155m(120m) 162m(125m) 170m(130m) 200m(155m) 245m(190m) 200m(148m) 210m(156m) 240m(178m) 338m(250m) 397m(294m) 441m(327m) 694m(514m) 709m(525m) 922m(683m) 1.08(800m) 1.30( 1.00) 1.56( 1.20) 1.73( 1.33) 2.39( 1.84) 2.67( 2.05) 4.00( 3.05) d.c.r.( ? ) : max.(typ.) rated current (a) *3 2.4 1.7 1.5 1.15 1.05 830m 700m 600m 460m 410m 305m 250m 29m( 23m) 39m( 31m) 61m( 49m) 110m( 88m) 125m(100m) 156m(125m) 194m(155m) 323m(258m) 550m(440m) 783m(626m) 1.16(925m) 1.51( 1.21) d.c.r.( ? ) : max.(typ.) rated current (a) *3 2.1 1.3 1.1 900m 750m 600m 500m 420m 350m 310m 260m 200m 3.5 2.8 2.2 2.0 1.6 1.2 1.05 900m 500m 570m 460m 350m 24m( 19m) 31m( 25m) 49m( 39m) 61m( 49m) 74m( 59m) 110m( 88m) 151m(121m) 202m(162m) 327m(262m) 456m(365m) 632m(506m) 962m(770m) d.c.r.( ? ) : max.(typ.) saturation rated current (a) *c te mperature rise rated current (a) * i * i temperature rise rated current : the current when temperature of coil increases up to max. ? t=40 c. (ta=20 c) measuring freq. (l) t olerance of inductance rated current other CDRH4D14/hp cdrh4d18 cdrh4d18c cdrh4d18c/ld CDRH4D14/hp cdrh4d18 cdrh4d18c cdrh4d18c/ld 100khz 1.0 h ?8.2 h (7.96mhz),10 h ?180 h (100khz) 100khz 100khz 4.7 h ?6.8 h 30% (n), 10 h 20% (m) 1.0 h ?180 h 30% (n) 1.1 h ?100 h 25% 1.1 h ?100 h 25% *c saturation rated current : the current when the inductance becomes 35% lower than its nominal value.(ta=20 c) *iv temperature rise current (typ.) : the actual current when temperature of coil becomes ? t=40 c. (ta=20 c) *3 it is either the inductance is 35% lower than its nominal value in d.c. saturation characteristics or temperature raise bec omes ? t=40 c(ta=20 c), whichever is lower.

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