page 1 of 4 revised: 19-dec-13 smd smd smd smd power inductor power inductor power inductor power inductor cdr7d28mn description ? ferrite drum core construction. ? magnetically shielded. ? l w h: 7.6 7.6 3.0 mm max. ? product weight: 0.46g(ref.) ? moisture sensitivity level: 1 ? rohs compliance. 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 ? 1000pcs per reel applications ? ideally used in lcd driver, dsc/dvc , notebook pc or the other portable equipment rohs dimension - [mm] land pattern and schematics - [mm] 7 . 3 0 . 3 7 . 3 0. 3 terminal ma x .3 . 0 ( t y p . 2 .8 )
page 2 of 4 revised: 19-dec-13 smd smd smd smd power inductor power inductor power inductor power inductor cdr7d28mn electrical characteristics 1.inductance measuring condition: at 100khz. 2. saturation current: the value of d.c. current wh en the inductance decreases to 65% of its nominal v alue. 3. temperature rise current: the value of d.c. curr ent when the temperature rise is t 40 (ta 20 ). 0.28 0.25 0.30 2652(2210) 470 h 25% 471 cdr7d28mnnp-471 nc 0.31 0.30 0.35 2184(1820) 330 h 25% 331 cdr7d28mnnp-331 nc 0.40 0.40 0.50 1320(1100) 220 h 25% 221 cdr7d28mnnp-221 nc 0.52 0.45 0.60 950.0(760) 150 h 25% 151 cdr7d28mnnp-151 nc 0.65 0.60 0.75 655.0(524) 100 h 25% 101 cdr7d28mnnp-101 nc 0.78 0.70 0.90 425.0(340) 68 h 25% 680 cdr7d28mnnp-680 nc 1.00 0.85 1.05 275.0(220) 47 h 25% 470 cdr7d28mnnp-470 nc 1.20 1.10 1.35 196.3(157) 33 h 25% 330 cdr7d28mnnp-330 nc 1.60 1.35 1.65 120.0(96) 22 h 25% 220 cdr7d28mnnp-220 nc 2.00 1.65 2.10 81.3(65) 15 h 25% 150 cdr7d28mnnp-150 nc 2.50 1.95 2.40 53.8(48) 10 h 25% 100 cdr7d28mnnp-100 nc 2.60 2.10 2.60 50.0(40) 8.0 h 25% 8r0 cdr7d28mnnp-8r0 nc 2.75 2.45 2.90 46.3(37) 6.8 h 25% 6r8 cdr7d28mnnp-6r8 nc 3.20 2.65 3.30 37.5(30) 4.6 h 25% 4r6 cdr7d28mnnp-4r6 nc 3.45 2.90 3.55 32.5(26) 3.6 h 25% 3r6 cdr7d28mnnp-3r6 nc 3.70 3.30 4.10 27.5(22) 2.7 h 25% 2r7 cdr7d28mnnp-2r7 nc 3.95 3.65 4.55 23.8(19) 2.0 h 25% 2r0 cdr7d28mnnp-2r0 nc 4.50 4.65 5.90 20.5(16.4) 1.2 h 25% 1r2 cdr7d28mnnp-1r2 nc (at105 ) (at20 ) temperature rise current: a 3 saturation current a 2 d.c.r. (m ) max. (typ.) (at 20 ) inductance ( h ) within 1 stamp part name
page 3 of 4 revised: 19-dec-13 smd smd smd smd power inductor power inductor power inductor power inductor cdr7d28mn 0 10 20 30 40 50 60 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 0 6 12 18 24 30 36 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0 10 20 30 40 50 60 0 5 10 15 20 25 30 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 10 20 30 40 50 60 0 3 6 9 12 15 18 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 0 2 4 6 8 10 12 0.0 0.8 1.6 2.4 3.2 0 10 20 30 40 50 60 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0 10 20 30 40 50 60 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0 1 2 3 4 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 1 2 3 4 5 0 10 20 30 40 50 60 0.0 0.8 1.6 2.4 3.2 4.0 4.8 0 1 2 3 4 5 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 5 6 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 6 0 10 20 30 40 50 60 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0 2 4 6 8 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. cdr7d28mnnp-1r2nc t ( ) l ( h) 2. cdr7d28mnnp-2r0nc t ( ) l ( h) 3. cdr7d28mnnp-2r7nc l ( h) dc (a) 5. cdr7d28mnnp-4r6nc t ( ) l ( h) 6. cdr7d28mnnp-6r8nc dc (a) 7. cdr7d28mnnp-8r0nc t ( ) l ( h) 8. cdr7d28mnnp-100nc t ( ) l ( h) dc (a) 9. cdr7d28mnnp-150nc dc (a) 4. cdr7d28mnnp-3r6nc t ( ) dc (a) dc (a) 10. cdr7d28mnnp-220nc t ( ) l ( h) dc (a) 11. cdr7d28mnnp-330nc t ( ) l ( h) dc (a) dc (a) dc (a) dc (a) t ( ) l ( h) t ( ) l ( h) t ( ) l ( h) l (20 ) t l (100 ) 12. cdr7d28mnnp-470nc t ( ) l ( h) dc (a)
page 4 of 4 revised: 19-dec-13 smd smd smd smd power inductor power inductor power inductor power inductor cdr7d28mn 0 100 200 300 400 500 600 0.0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 40 50 60 0 60 120 180 240 300 360 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 50 60 0 40 80 120 160 200 240 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 30 60 90 120 150 180 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 1.0 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 1.2 0 10 20 30 40 50 60 saturation current & temperature rise graph 13. cdr7d28mnnp-680nc t ( ) l ( h) 14. cdr7d28mnnp-101nc t ( ) l ( h) 15. cdr7d28mnnp-151nc l ( h) dc (a) 17. cdr7d28mnnp-331nc t ( ) l ( h) 18. CDR7D28MNNP-471NC dc (a) 16. cdr7d28mnnp-221nc t ( ) dc (a) dc (a) dc (a) dc (a) t ( ) l ( h) t ( ) l ( h) 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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