page 1 of 2 revised: 1-nov-12 smd smd smd smd power inductor power inductor power inductor power inductor CDPH40D18 description ? ferrite core construction. ? magnetically shielded. ? l w h: 4.2 4.2 2.0mm max. ? product weight: 120mg(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. ? 13.0diameter reel ? 3000pcs per reel applications ? ideally used in mobilephone,pda,mp3, dsc/dvc, etc as dc-dc converter inductors. rohs dimension - [mm] land pattern and schematics - [mm] electrical characteristics 1. inductance measuring condition: at 100khz. 2. saturation current: the value of d.c. current wh en the inductance decreases to 70% 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 ). 0.43 0.64 764 20 33.0 20 CDPH40D18np-330mc 0.82 1.22 231 20 10.0 20 CDPH40D18np-100mc 1.30 1.84 103 20 4.7 20 CDPH40D18np-4r7mc temperature rise current (a) 3 saturation current (a) 2 d.c.r. (m ) [within] (at 20 ) inductance ( h) [within] 1 part no.
page 2 of 2 revised: 1-nov-12 smd smd smd smd power inductor power inductor power inductor power inductor CDPH40D18 0 8 16 24 32 40 48 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 0.4 0.8 1.2 1.6 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 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. CDPH40D18np-4r7mc t ( ) l ( h) 2. CDPH40D18np-100mc t ( ) l ( h) 3. CDPH40D18np-330mc dc (a) dc (a) dc (a) t ( ) l ( h) l (20 ) t 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.+1-408-321-9660 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
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