page 1 of 3 revised: 25-jul-11 smd smd smd smd power inductor power inductor power inductor power inductor cdmc8d28 description ? metal compound molding type construction. ? magnetically shielded. ? l w h: 9.5 8.7 3.0 mm max. ? product weight:1.2 g (ref.) ? moisture sensitivity level: 1 ? rohs compliance. ? halogen free available. environmental data ? operating temperature range: -40 ~+125 (including coils self temperature rise) ? storage temperature range: -40 +85 ? solder reflow temperature: 260 peak. packaging ? carrier tape and reel packaging. ? 13.0diameter reel ? 1000pcs per reel applications ? ideally used in low voltage-high current laptop pc & sever power supply. halogen free rohs dimension - [mm] land pattern and schematics - [mm] electrical characteristics 1. measuring condition: at 1mhz. 2. saturation current: the value of d.c. current wh en the inductance decreases to 80% 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 ). 8 . 5 0 . 2 9.5 max. :electrode 1 0.01 min. 3.0 max. 1.70.3 3 . 5 0 . 3 1.70.3 2 10.5 5.0 4 . 0 7.1 6.4(8.0) 24.1(20.1) 3.9 20% 3r9 cdmc8d28np-3r9mc 7.3 7.0(8.8) 22.2(18.5) 3.3 20% 3r3 cdmc8d28np-3r3mc 8.1 8.8(11.0) 16.1(13.4) 2.2 20% 2r2 cdmc8d28np-2r2mc 9.3 9.4(11.8) 12.6(10.5) 1.8 20% 1r8 cdmc8d28np-1r8mc 12.9 12.2(15.3) 7.0(5.80) 1.2 20% 1r2 cdmc8d28np-1r2mc 15.4 16.0(20.0) 4.6(3.84) 0.68 20% r68 cdmc8d28np-r68mc 19.9 19.8(24.7) 2.8(2.32) 0.39 20% r39 cdmc8d28np-r39mc 25.8 28.7(35.9) 1.6(1.33) 0.18 20% r18 CDMC8D28NP-R18MC temperature rise current (a) 3 saturation current (a) at 20 2 d.c.r. (m ) [max.] (typ.) (at 20 ) inductance ( h) within ? 1 stamp part no.
page 2 of 3 revised: 25-jul-11 smd smd smd smd power inductor power inductor power inductor power inductor cdmc8d28 0.0 0.8 1.6 2.4 3.2 4.0 4.8 0 2 4 6 8 10 0 10 20 30 40 50 60 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0 2 4 6 8 10 0 10 20 30 40 50 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 2 4 6 8 10 12 0 10 20 30 40 50 60 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 4 8 12 16 0 10 20 30 40 50 60 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 4 8 12 16 20 0 10 20 30 40 50 60 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 4 8 12 16 20 24 0 10 20 30 40 50 60 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 5 10 15 20 25 30 0 10 20 30 40 50 60 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0 10 20 30 40 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. CDMC8D28NP-R18MC t ( ) l ( h) 2. cdmc8d28np-r39mc t ( ) l ( h) 3. cdmc8d28np-r68mc l ( h) dc (a) 5. cdmc8d28np-1r8mc t ( ) l ( h) 6. cdmc8d28np-2r2mc dc (a) 7. cdmc8d28np-3r3mc t ( ) l ( h) 8. cdmc8d28np-3r9mc t ( ) l ( h) dc (a) 4. cdmc8d28np-1r2mc t ( ) dc (a) dc (a) dc (a) dc (a) dc (a) t ( ) l ( h) t ( ) l ( h) l (20 ) t l (125 )
page 3 of 3 revised: 25-jul-11 smd smd smd smd power inductor power inductor power inductor power inductor cdmc8d28 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@sumida-eu.com tel.+1-847-545-6700 fax. +1-847-545-6720 sales@us.sumida.com taipei shenzhen shanghai hong kong tel.+1-408-3219660 fax.+1-408-321-9308 sales@us.sumida.com tel.+65-6296-3388 fax.+65-6296-3390 sales@sg.sumida.com tel.+82-2-6237-0777 fax.+82-2-6237-0778 sales@kr.sumida.com tel.+81-3-5202-7112 fax.+81-3-5202-7105 sales@jp.sumida.com san jose singapore seoul tokyo 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.+86-021-5836-3299 fax.+86-021-5836-3266 shanghai.sales@cn.sumida.com tel.+852-2880-6688 fax.+852-2565-9600 sales@hk.sumida.com
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: sumida: ? cdmc8d28np-1r2mc? cdmc8d28np-3r9mc? cdmc8d28np-r39mc
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