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| power inductors (smd t ype) CDRH3D28 outline / CDRH3D28 dimensions (mm) / y? l measuring freq. (l) CDRH3D28 100 khz / tolerance of inductance CDRH3D28 ? ?? construction / oUu ? about lead-free products . lead-free products are now available for sale . to order a lead-free product, please add"np" after the product type: oUu??F????? ??Hu??np?? e.g. ordering code of lead-free product: type name np . . ordering code of lead product: type name- ? ? ? shielded type / ] land patterns (mm) ?X? 3.3 h C 47 h 30%(n) * iv (ta=2 0 ) * iv t emperature rise current ( t yp.) : the actual current when temperature of coil becomes ? t=40 c. ( t a=20 c) *c saturation rated current : the current when the inductance becomes 35% lower than its nominal value. ( t a=20 c) / other CDRH3D28 parts no . l (h) d.c.r.( ? ) : max.(typ.) saturation rated current (a) *c 20 c 105 c ??Ng ? r ? N t=4 0 ?g smd type power inductors where by the electrode is attached to the ferrite core directly. they are also magnetically shielded to prevent noise radiation. I?O?????g??`????]]r?? new l a n o i s i v o r p 4.0max . 3.0max. 4 . 4 8 . 2 ? 1 . 1 . x a m 0 . 4 2 . 5 4 . 2 4 . 1 5 . 1 1r7 2r2 3r3 3r9 4r7 5r6 6r8 8r2 100 120 150 180 220 270 330 390 470 560 820 101 121 151 181 221 1.7 2.2 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 680 2.00 1.65 1.24 1.05 900m 760m 580m 480m 1.48 1.28 940m 800m 640m 550m 440m 360m 1.85 1.62 1.32 1.18 1.02 740m 630m 560m 72.1m(57.7m) 88.3m(70.6m) 119m(95.0m) 145m( 116m) 213m( 170m) 335m( 268m) 481m( 385m) 599m( 479m) * _k u ? ?d / cdrh3d2 8 about CDRH3D28 * this specification might be changed without notice due to under developing and improving. thank you for your understanding. ? *c ??S ??S r 6 5 % (ta=2 0 ) h tt p :/ / w w w. s um id a . c o m re v 1 . 0 0 9 / 2 0 0 4 north america tel:(1) 847 545-6700 fax:(1) 847 545-6720 e-mail: sales@us.sumida.com japan tel:(81) 03 3667-3302 fax:(81) 03 3667-3408 hong kong tel:(852) 2880-6688 fax:(852) 2565-9600 e-mail: sales@hk.sumida.com taiwan tel:(886) 2 2726-2177 fax:(886) 2 2728-2726 e-mail: sales@tw.sumida.com singapore tel:(65) 6296-3388 fax:(65) 6296-3390 e-mail: sales@sg.sumida.com europe tel:(32) 2673-9565 fax:(32) 2672-0454 e-mail: sales@eu.sumida.com e-mail: sales@jp.sumida.com ( 3.3 h - 47 h ) temperature rise curren t (typ.)(a) * iv
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