page 1 of 4 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28c description ? ferrite drum core construction. ? magnetically shielded. ? l w h:5.1 5.1 3.0 mm max. ? product weight: 0.21g(ref.) ? moisture sensitivity level: 1 ? rohs compliance. ? halogen free available. environmental data ? operating temperature range: -40 ~+105 (including coils self temperature rise) ? storage temperature range: -40 +105 ? solder reflow temperature: 260 peak. packaging ? carrier tape and reel packaging ? 12.9diameter reel ? 2000pcs per reel applications ? ideally used in mobile phone,pda,mp3,hdd, dsc/dvc, note book pc, etc as dc-dc converter inductors. halogen free rohs dimension - [mm] land pattern and schematics - [mm] 1.1 h 6.3 h 10 h 100 h 4 . 9 0 . 2 3 . 0 m a x . 4 . 9 0 . 2 1 . 4 0 . 2 4 . 4 0 . 3 6 . 2 m a x . 4 . 0 6 . 5 2 . 0 4 5
page 2 of 4 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28c electrical characteristics 1. inductance measuring condition: at 100khz. 2. rated current: the dc current at which the induct ance decreases to 65% of its nominal value or when t=40 , whichever is lower (ta=20 ). 0.40 948m(758m) 10025% l cdrh4d28cnp-101pc 0.49 625m(500m) 6825% k cdrh4d28cnp-680pc 0.54 510m(408m) 4725% j cdrh4d28cnp-470pc 0.70 331m(265m) 3325% i cdrh4d28cnp-330pc 0.85 207m(166m) 2225% h cdrh4d28cnp-220pc 1.05 137m(110m) 1525% g cdrh4d28cnp-150pc 1.26 106m(85.0m) 1025% f cdrh4d28cnp-100pc 1.30 94m(75.0m) 6.325% e cdrh4d28cnp-6r3pc 1.80 63m(50.0m) 4.725% d cdrh4d28cnp-4r7pc 2.30 42m(33.3m) 3.225% c cdrh4d28cnp-3r2pc 2.60 29m(23.0m) 2.025% b cdrh4d28cnp-2r0pc 3.80 22m(17.5m) 1.125% a CDRH4D28CNP-1R1PC rated current (a) 2 d.c.r.(h) max. (typ.) (at 20 ) inductance (h) [within] 1 stamp part no.
page 3 of 4 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28c 0 20 40 60 80 100 120 0.0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 40 50 60 0 15 30 45 60 75 90 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 6 12 18 24 30 36 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 4 8 12 16 20 24 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 0 3 6 9 12 15 18 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 0 2 4 6 8 10 12 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0.0 0.4 0.8 1.2 1.6 2.0 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0.0 0.4 0.8 1.2 1.6 2.0 0 10 20 30 40 50 60 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 1 2 3 4 0 10 20 30 40 50 60 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0 1 2 3 4 5 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. CDRH4D28CNP-1R1PC t ( ) l ( h) dc (a) dc (a) 2. cdrh4d28cnp-2r0pc t ( ) l ( h) t ( ) 3. cdrh4d28cnp-3r2pc l ( h) dc (a) t ( ) 4. cdrh4d28cnp-4r7pc l ( h) dc (a) t ( ) 5. cdrh4d28cnp-6r3pc l ( h) dc (a) t ( ) 6. cdrh4d28cnp-100pc l ( h) dc (a) t ( ) 7. cdrh4d28cnp-150pc l ( h) dc (a) t ( ) 8. cdrh4d28cnp-220pc l ( h) dc (a) dc (a) t ( ) 9. cdrh4d28cnp-330pc l ( h) l (20 ) t l (100 ) t ( ) 10. cdrh4d28cnp-470pc l ( h) dc (a) t ( ) 11. cdrh4d28cnp-680pc l ( h) dc (a) dc (a) t ( ) 12. cdrh4d28cnp-101pc l ( h)
page 4 of 4 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28c solder reflow condition 170 10 ,60~120s 40s 230 245 peak heat endurance temperature chart 300 60 120 180 240 0 0 100 150 200 250 300 50 10 t () t (s) 60 260 230 0 100 150 200 250 300 50 t () 300 120 180 240 0 t (s) 60 neumarkt obernzell chicago tel.+49-9181-4509-110 fax. +49-9181-4509-310 infocomp@eu.sumida.com tel.+49-8591-937-0 fax. +49-8591-937-103 contact@eu.sumida.com tel.+1-847-545-6700 fax. +1-847-545-6720 sales@us.sumida.com taipei shenzhen shanghai hong kong tel.+1-408-321-9660 fax.+1-408-321-9308 sales@us.sumida.com tel.+65-6296-3388 fax.+65-6841-4426 sales@sg.sumida.com tel.+82-2-6237-0777 fax.+82-2-6237-0778 sales@kr.sumida.com tel.+81-48-691-7300 fax.+81-48-691-7340 sales@jp.sumida.com san jose singapore seoul saitama(japan) please refer to the sales offices on our website - http://www.sumida.com tel.+886-2-8751-2737 fax.+886-2-8751-2738 sales@tw.sumida.com tel.+86-755-8291-0228 fax.+86-755-8291-0338 shenzhen.sales@cn.sumida.com tel.+86-21-5836-3299 fax.+86-21-5836-3266 shanghai.sales@cn.sumida.com tel.+852-2880-6781 fax.+852-2565-9600 sales@hk.sumida.com
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