page 1 of 3 revised: 8-sep-11 smd smd smd smd power inductor power inductor power inductor power inductor cdh25d11d description ? ferrite drum core construction. ? magnetically unshielded. ? l w h: 2.6 2.1 1.2 mm max. ? product weight: 20 mg(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. applications ? ideally used in hdd, cell phone, pda, dvc and dsc. halogen free rohs dimension - [mm] land pattern and schematics - [mm] 2.5 0.1 2.0 0.1 1.1 0.1 1.0 0.1 1.8 0.1 0.85 0.85 0.8 2.0 electrical characteristics 0.44 0.71 755 20 10 20 g cdh25d11dhf-100mc-h 0.58 0.84 495 20 6.8 20 f CDH25D11DHF-6R8MC-H 0.76 1.11 318 20 4.7 20 e cdh25d11dhf-4r7mc-h 0.96 1.30 215 25 3.3 20 d cdh25d11dhf-3r3mc-h 1.02 1.50 167 25 2.2 20 c cdh25d11dhf-2r2mc-h 1.25 1.89 118 25 1.5 30 b cdh25d11dhf-1r5nc-h 1.52 2.16 79 25 1.0 30 a cdh25d11dhf-1r0nc-h temperature rise current (a) 3 saturation current (a) (at 20 ) 2 d.c.r. (m ) [ within ] (at 20 ) inductance (uh) [within] 1 stamp part name 1. 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 ).
page 2 of 3 revised: 8-sep-11 smd smd smd smd power inductor power inductor power inductor power inductor cdh25d11d 0 2 4 6 8 10 12 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0.0 0.4 0.8 1.2 1.6 0 10 20 30 40 50 60 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0 10 20 30 40 50 60 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 10 20 30 40 50 60 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. cdh25d11dhf-1r0nc-h t ( ) l ( h) 2. cdh25d11dhf-1r5nc-h t ( ) l ( h) 3. cdh25d11dhf-2r2mc-h l ( h) dc (a) 5. cdh25d11dhf-4r7mc-h t ( ) l ( h) 6. CDH25D11DHF-6R8MC-H 7. cdh25d11dhf-100mc-h t ( ) l ( h) 4. cdh25d11dhf-3r3mc-h t ( ) dc (a) dc (a) dc (a) dc (a) dc (a) t ( ) l ( h) t ( ) l ( h) l (20 ) t l (105 )
page 3 of 3 revised: 8-sep-11 smd smd smd smd power inductor power inductor power inductor power inductor cdh25d11d 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
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