page 1 of 5 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28 description ? ferrite drum core construction. ? magnetically shielded. ? l w h:5.0 5.0 3.0 mm max. ? product weight: 0.2g(ref.) ? moisture sensitivity level: 1 ? rohs compliance. ? halogen free available. environmental data ? operating temperature range: -40 ~+100 (including coils self temperature rise) ? storage temperature range: -40 +100 ? 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] ( 1.2 h 8.2 h ) ( 10 h 180 h ) 4.70.3 4.5 4 . 7 0 . 3 1 . 5 4 . 5 m a x . 6 . 9 max.3.0 (2.8) electrode terminal 1 . 5 1 . 9 1 . 9 5.3
page 2 of 5 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28 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 ). 0.22 1.54(1.23) 180 30% 181 CDRH4D28NP-181NC 0.24 1.35(1.08) 150 30% 151 cdrh4d28np-151nc 0.27 1.27(976.8m) 120 30% 121 cdrh4d28np-121nc 0.29 1.02(765.8m) 100 30% 101 cdrh4d28np-101nc 0.32 914.8m(677.6m) 82 30% 820 cdrh4d28np-820nc 0.35 699.0m(517.8m) 68 30% 680 cdrh4d28np-680nc 0.41 624.5m(462.6m) 56 30% 560 cdrh4d28np-560nc 0.48 587.0m(435.0m) 47 30% 470 cdrh4d28np-470nc 0.50 383.7m(284.2m) 39 30% 390 cdrh4d28np-390nc 0.56 331.3m(254.8m) 33 30% 330 cdrh4d28np-330nc 0.58 261.0m(193.3m) 27 30% 270 cdrh4d28np-270nc 0.70 235.0m(174.5m) 22 30% 220 cdrh4d28np-220nc 0.72 166.0m(123.0m) 18 30% 180 cdrh4d28np-180nc 0.76 149.0m(110.4m) 15 30% 150 cdrh4d28np-150nc 0.84 131.6m(97.5m) 12 30% 120 cdrh4d28np-120nc 1.00 128.3m(95.0m) 10 30% 100 cdrh4d28np-100nc 1.04 117.5m(87.0m) 8.2 30% 8r2 cdrh4d28np-8r2nc 1.12 108.9m(80.7m) 6.8 30% 6r8 cdrh4d28np-6r8nc 1.17 100.9m(74.7m) 5.6 30% 5r6 cdrh4d28np-5r6nc 1.32 72.0m(53.3m) 4.7 30% 4r7 cdrh4d28np-4r7nc 1.44 64.8m(48.0m) 3.9 30% 3r9 cdrh4d28np-3r9nc 1.57 49.2m(36.4m) 3.3 30% 3r3 cdrh4d28np-3r3nc 1.60 43.3m(32.1m) 2.7 30% 2r7 cdrh4d28np-2r7nc 2.04 31.3m(23.2m) 2.2 30% 2r2 cdrh4d28np-2r2nc 2.20 27.5m(20.4m) 1.8 30% 1r8 cdrh4d28np-1r8nc 2.56 23.6m(17.5m) 1.2 30% 1r2 cdrh4d28np-1r2nc rated current (a) 2 d.c.r.( ) max. (typ.) (at 20 ) inductance ( h) [ within ] 1 stamp part no.
page 3 of 5 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28 0 3 6 9 12 15 18 0.0 0.3 0.6 0.9 1.2 1.5 1.8 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 1.8 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 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 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 2.4 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 0.0 0.8 1.6 2.4 3.2 4.0 4.8 0.0 0.8 1.6 2.4 3.2 0 10 20 30 40 50 60 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0.0 0.8 1.6 2.4 3.2 0 10 20 30 40 50 60 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0 1 2 3 4 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 5 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 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0 1 2 3 4 5 6 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. cdrh4d28np-1r2nc t ( ) l ( h) dc (a) dc (a) 2. cdrh4d28np-1r8nc t ( ) l ( h) t ( ) 3. cdrh4d28np-2r2nc l ( h) dc (a) t ( ) 4. cdrh4d28np-2r7nc l ( h) dc (a) t ( ) 5. cdrh4d28np-3r3nc l ( h) dc (a) t ( ) 6. cdrh4d28np-3r9nc l ( h) dc (a) t ( ) 7. cdrh4d28np-4r7nc l ( h) dc (a) t ( ) 8. cdrh4d28np-5r6nc l ( h) dc (a) dc (a) t ( ) 9. cdrh4d28np-6r8nc l ( h) l (20 ) t l (100 ) t ( ) 10. cdrh4d28np-8r2nc l ( h) dc (a) t ( ) 11. cdrh4d28np-100nc l ( h) dc (a) dc (a) t ( ) 12. cdrh4d28np-120nc l ( h)
page 4 of 5 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28 0 30 60 90 120 150 180 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 50 60 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 15 30 45 60 75 90 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 0 8 16 24 32 40 48 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 0 6 12 18 24 30 36 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 0 5 10 15 20 25 30 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 0 5 10 15 20 25 30 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 0 4 8 12 16 20 24 0.0 0.4 0.8 1.2 1.6 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 1.8 0 10 20 30 40 50 60 saturation current & temperature rise graph 13. cdrh4d28np-150nc t ( ) l ( h) 14. cdrh4d28np-180nc t ( ) l ( h) 15. cdrh4d28np-220nc l ( h) dc (a) 17. cdrh4d28np-330nc t ( ) l ( h) 18. cdrh4d28np-390nc 19. cdrh4d28np-470nc t ( ) l ( h) 20. cdrh4d28np-560nc t ( ) l ( h) dc (a) 16. cdrh4d28np-270nc t ( ) dc (a) dc (a) dc (a) dc (a) dc (a) t ( ) l ( h) t ( ) l ( h) 21. cdrh4d28np-680nc t ( ) l ( h) dc (a) dc (a) l (20 ) t l (100 ) 22. cdrh4d28np-820nc t ( ) l ( h) dc (a) 23. cdrh4d28np-101nc t ( ) l ( h) dc (a) 24. cdrh4d28np-121nc t ( ) l ( h) dc (a)
page 5 of 5 revised: 7-jan-14 smd smd smd smd power inductor power inductor power inductor power inductor cdrh4d28 0 40 80 120 160 200 240 0.0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 40 50 60 0 30 60 90 120 150 180 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 50 60 saturation current & temperature rise graph 25. cdrh4d28np-151nc t ( ) l ( h) 26. CDRH4D28NP-181NC t ( ) l ( h) dc (a) dc (a) l (20 ) t l (100 ) 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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