page 1 of 4 revised: 17-apr-12 smd smd smd smd power inductor power inductor power inductor power inductor CDRH40D18R description ? ferrite drum core construction. ? magnetically shielded. ? l w h:4.2 4.2 2.0mm max. ? product weight: 110mg (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 mobile phone,pda,mp3,hdd, dsc/dvc, note book pc ,etc as dc-dc converter power supply. halogen free rohs dimension - [mm] land pattern and schematics - [mm] 3 . 9 4.5 1.6 1.6 1.3
page 2 of 4 revised: 17-apr-12 smd smd smd smd power inductor power inductor power inductor power inductor CDRH40D18R electrical characteristics 1 inductance measuring condition at 100khz . 2 saturation current: the value of dc current when t he inductance decreases to 70% of its nominal. 3 temperature rise current: the value of dc current w hen the temperature rise is t 40 (ta 20 ). 0.55 0.40 0.45 671(559) 33 20 u CDRH40D18Rnp-330mc 0.62 0.43 0.50 588(490) 27 20 t CDRH40D18Rnp-270mc 0.73 0.50 0.60 443(369) 22 20 s CDRH40D18Rnp-220mc 0.90 0.60 0.70 306(255) 15 20 q CDRH40D18Rnp-150mc 1.25 0.70 0.85 185(154) 10 20 n CDRH40D18Rnp-100mc 1.35 0.85 1.00 144(120) 6.8 30 l CDRH40D18Rnp-6r8nc 1.70 1.00 1.25 99.5(79.6) 4.7 30 j CDRH40D18Rnp-4r7nc 2.00 1.25 1.45 79.5(63.6) 3.3 30 g CDRH40D18Rnp-3r3nc 2.40 1.50 1.80 55.4(44.3) 2.2 30 e CDRH40D18Rnp-2r2nc 2.60 1.80 2.10 48.4(38.7) 1.8 30 d CDRH40D18Rnp-1r8nc (at 105 ) (at 20 ) temperature rise current (a) 3 saturation current (a) 2 d.c.r. (m ) max.] (typ.) (at 20 ) inductance [ h] 1 within ] stamp part name
page 3 of 4 revised: 17-apr-12 smd smd smd smd power inductor power inductor power inductor power inductor CDRH40D18R 0 8 16 24 32 40 48 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 50 60 0 6 12 18 24 30 36 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 5 10 15 20 25 30 0.0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 3 6 9 12 15 18 0.0 0.2 0.4 0.6 0.8 1.0 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 0 10 20 30 40 50 60 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0.0 0.3 0.6 0.9 1.2 1.5 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 1.8 0 10 20 30 40 50 60 0.0 0.8 1.6 2.4 3.2 4.0 4.8 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 10 20 30 40 50 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 0.0 0.4 0.8 1.2 1.6 2.0 2.4 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. CDRH40D18Rnp-1r8nc t ( ) l ( h) dc (a) 2. CDRH40D18Rnp-2r2nc t ( ) l ( h) 3. CDRH40D18Rnp-3r3nc t ( ) l ( h) dc (a) l ( h) dc (a) 5. CDRH40D18Rnp-6r8nc t ( ) l ( h) 6. CDRH40D18Rnp-100mc t ( ) dc (a) 7. CDRH40D18Rnp-150mc t ( ) l ( h) 8. CDRH40D18Rnp-220mc t ( ) l ( h) dc (a) 9. CDRH40D18Rnp-270mc t ( ) l ( h) dc (a) 4. CDRH40D18Rnp-4r7nc t ( ) dc (a) dc (a) dc (a) l ( h) l (20 ) t l (105 ) 10. CDRH40D18Rnp-330mc t ( ) l ( h ) dc (a)
page 4 of 4 revised: 17-apr-12 smd smd smd smd power inductor power inductor power inductor power inductor CDRH40D18R solder reflow condition 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 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
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