page 1 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b description ? ferrite drum core construction. ? magnetically shielded. ? l w h:12.5 12.5 x8.0 mm max. ? product weight: 4.1g(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 +125 ? solder reflow temperature: 260 peak. packaging ? carrier tape and reel packaging. ? 13.0diameter reel ? 500pcs per reel applications ? ideally used in led modules, dc/dc converters and 1:1 transformer, etc. halogen free rohs dimension - [mm] land pattern and schematics - [mm] max.8. 0 12.2 0.3 1 2 . 2 0 . 3 1. 7 6 . 5 2 . 7 5 2 . 7 5 1. 6 5.0 dual inductor series mode parallel mode
page 2 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b electrical characteristics 1 measuring frequency inductance at 100 khz. 2 ( ) are typical value. 3 saturation current: the value of d.c. current when the inductance is over 70% of the initial value. 4 temperature rise current: the value of d.c. curre nt when the temperature rise is t 40 .(ta 20 ) parallel 0.67(0.76) 1.5(1.75) 1005m(875m) 47020% series 0.31(0.35) 0.75(0.88) 4.02(3.50) 188020% dual 0.45(0.52) 1.5(1.75) 2.01(1.75) 47020% 471 cdrch12d78bhf-471mc parallel 0.83(0.94) 1.7(2.1) 675m(585m) 33020% series 0.40(0.45) 0.85(1.05) 2.7(2.34) 132020% dual 0.56(0.64) 1.7(2.1) 1.35(1.17) 33020% 331 CDRCH12D78BHF-331MC parallel 1.0(1.15) 2.1(2.5) 468m(390m) 22020% series 0.48(0.55) 1.05(1.25) 1.87(1.56) 88020% dual 0.68(0.78) 2.1(2.5) 936m(780m) 22020% 221 cdrch12d78bhf-221mc parallel 1.2(1.4) 2.5(3.0) 324m(270m) 15020% series 0.60(0.68) 1.25(1.50) 1.29(1.08) 60020% dual 0.83(0.95) 2.5(3.0) 648m(540m) 15020% 151 cdrch12d78bhf-151mc parallel 1.6(1.8) 3.1(3.7) 192m(160m) 10020% series 0.78(0.88) 1.55(1.85) 768m(640m) 44020% dual 1.10(1.25) 3.1(3.7) 384m(320m) 10020% 101 cdrch12d78bhf-101mc parallel 2.0(2.3) 3.9(4.6) 133m(111m) 6820% series 0.94(1.05) 1.95(2.3) 532m(444m) 27220% dual 1.3(1.5) 3.9(4.6) 266m(222m) 6820% 680 cdrch12d78bhf-680mc parallel 2.4(2.6) 4.6(5.5) 93m(77m) 4720% series 1.1(1.3) 2.3(2.75) 372m(310m) 18820% dual 1.5(1.7) 4.6(5.5) 186m(155m) 4720% 470 cdrch12d78bhf-470mc parallel 2.7(3.0) 5.5(6.5) 72m(60m) 3320% series 1.3(1.5) 2.75(3.25) 290m(240m) 13220% dual 1.8(2.1) 5.5(6.5) 144m(120m) 3320% 330 cdrch12d78bhf-330mc parallel 3.3(3.7) 7.0(8.2 48m(40m) 2220% series 1.6(1.8) 3.5(4.1) 192m(160m) 8820% dual 2.3(2.6) 7.0(8.2 96m(80m) 2220% 220 cdrch12d78bhf-220mc parallel 4.0(4.6) 8.2(9.7 36m(29m) 1520% series 2.0(2.3) 4.1(4.8) 144m(116m) 6020% dual 2.8(3.2) 8.2(9.7 72m(58m 1520% 150 cdrch12d78bhf-150mc parallel 4.4(5.0) 10.0(11.8) 27m(21m) 1020% series 2.3(2.6) 5.0(5.9) 108m(84m) 4020% dual 3.2(3.6) 10.0(11.8) 54m(42m 1020% 100 cdrch12d78bhf-100mc parallel 5.0(5.6) 12.0(14.2) 23m(18m) 6.830% series 2.6(3.0) 6.0(7.1) 92m(72m) 27.230% dual 3.6(4.1) 12.0(14.2) 46m(36m 6.830% 6r8 cdrch12d78bhf-6r8nc parallel 5.4(6.1) 13.2(15.6) 20m(16m 4.730% series 2.8(3.1) 6.6(7.8) 80m(60m 18.830% dual 3.9(4.4) 13.2(15.6) 40m(30m 4.730% 4r7 cdrch12d78bhf-4r7nc mode temperature rise current (a) 4 saturation current (a) 3 d.c.r. ( ) [max.] 2 inductance ( h) [within] 1 stamp part name
page 3 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 0 60 120 180 240 300 360 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 10 20 30 40 50 60 0 40 80 120 160 200 240 0.0 0.5 1.0 1.5 2.0 2.5 0 10 20 30 40 50 60 0 30 60 90 120 150 180 0.0 0.8 1.6 2.4 3.2 0 10 20 30 40 50 60 0 20 40 60 80 100 120 0 1 2 3 4 0 10 20 30 40 50 60 0 15 30 45 60 75 90 0 1 2 3 4 5 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 10 20 30 40 50 60 0 6 12 18 24 30 36 0 2 4 6 8 0 10 20 30 40 50 60 0 4 8 12 16 20 24 0 2 4 6 8 10 0 10 20 30 40 50 60 0 3 6 9 12 15 18 0 2 4 6 8 10 0 10 20 30 40 50 60 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 10 20 30 40 50 60 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0 3 6 9 12 15 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 4 8 12 16 0 10 20 30 40 50 60 saturation current & temperature rise graph - dual inductor l (20 ) t 3. cdrch12d78bhf-100mc t ( ) l ( h) dc (a) 6. cdrch12d78bhf-330mc t ( ) l ( h) dc (a) dc (a) 12. CDRCH12D78BHF-331MC t ( ) l ( h) dc (a) 1. cdrch12d78bhf-4r7nc t ( ) l ( h) dc (a) 4. cdrch12d78bhf-150mc t ( ) l ( h) dc (a) 10. cdrch12d78bhf-151mc t ( ) l ( h) 7. cdrch12d78bhf-470mc t ( ) l ( h) dc (a) 2. cdrch12d78bhf-6r8nc t ( ) l ( h) dc (a) 5. cdrch12d78bhf-220mc t ( ) l ( h) dc (a) 11. cdrch12d78bhf-221mc t ( ) l ( h) dc (a) 8. cdrch12d78bhf-680mc t ( ) l ( h) dc (a) 9. cdrch12d78bhf-101mc t ( ) l ( h) dc (a)
page 4 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 0 100 200 300 400 500 600 0.0 0.4 0.8 1.2 1.6 2.0 0 10 20 30 40 50 60 13. cdrch12d78bhf-471mc t ( ) l ( h) dc (a) saturation current & temperature rise graph - serie s mode l (20 ) t 0 8 16 24 32 40 48 0 2 4 6 8 0 10 20 30 40 50 60 3. cdrch12d78bhf-100mc t ( ) l ( h) dc (a) 0 30 60 90 120 150 180 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0 10 20 30 40 50 60 6. cdrch12d78bhf-330mc t ( ) l ( h) dc (a) 0 4 8 12 16 20 24 0 2 4 6 8 10 0 10 20 30 40 50 60 1. cdrch12d78bhf-4r7nc t ( ) l ( h) dc (a) 0 15 30 45 60 75 90 0 1 2 3 4 5 6 0 10 20 30 40 50 60 4. cdrch12d78bhf-150mc t ( ) l ( h) dc (a) 0 5 10 15 20 25 30 0 2 4 6 8 0 10 20 30 40 50 60 2. cdrch12d78bhf-6r8nc t ( ) l ( h) dc (a) 0 15 30 45 60 75 90 0 1 2 3 4 5 0 10 20 30 40 50 60 5. cdrch12d78bhf-220mc t ( ) l ( h) dc (a) 0 40 80 120 160 200 240 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 7. cdrch12d78bhf-470mc t ( ) l ( h) dc (a) 0 50 100 150 200 250 300 0.0 0.5 1.0 1.5 2.0 2.5 0 10 20 30 40 50 60 8. cdrch12d78bhf-680mc t ( ) l ( h) dc (a) 0 70 140 210 280 350 420 0.0 0.4 0.8 1.2 1.6 2.0 0 10 20 30 40 50 60 9. cdrch12d78bhf-101mc t ( ) l ( h) dc (a)
page 5 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 0 300 600 900 1200 1500 1800 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 12. CDRCH12D78BHF-331MC t ( ) l ( h) dc (a) 0 150 300 450 600 750 900 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0 10 20 30 40 50 60 dc (a) 10. cdrch12d78bhf-151mc t ( ) l ( h) 0 200 400 600 800 1000 1200 0.0 0.3 0.6 0.9 1.2 1.5 0 10 20 30 40 50 60 11. cdrch12d78bhf-221mc t ( ) l ( h) dc (a) 0 400 800 1200 1600 2000 2400 0.0 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 60 t ( ) l ( h) dc (a) 13. cdrch12d78bhf-471mc saturation current & temperature rise graph - paral lel mode l (20 ) t 0 2 4 6 8 10 12 0 3 6 9 12 15 0 10 20 30 40 50 60 3. cdrch12d78bhf-100mc t ( ) l ( h) dc (a) 0 1 2 3 4 5 6 0 3 6 9 12 15 18 0 10 20 30 40 50 60 1. cdrch12d78bhf-4r7nc t ( ) l ( h) dc (a) 0 2 4 6 8 10 12 0 4 8 12 16 0 10 20 30 40 50 60 2. cdrch12d78bhf-6r8nc t ( ) l ( h) dc (a) 0 6 12 18 24 30 36 0 2 4 6 8 0 10 20 30 40 50 60 6. cdrch12d78bhf-330mc t ( ) l ( h) dc (a) 0 3 6 9 12 15 18 0 2 4 6 8 10 12 0 10 20 30 40 50 60 4. cdrch12d78bhf-150mc t ( ) l ( h) dc (a) 0 4 8 12 16 20 24 0 2 4 6 8 10 0 10 20 30 40 50 60 5. cdrch12d78bhf-220mc t ( ) l ( h) dc (a)
page 6 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 0 60 120 180 240 300 360 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 10 20 30 40 50 60 12. CDRCH12D78BHF-331MC t ( ) l ( h) dc (a) 0 30 60 90 120 150 180 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0 10 20 30 40 50 60 dc (a) 10. cdrch12d78bhf-151mc t ( ) l ( h) 0 8 16 24 32 40 48 0 1 2 3 4 5 6 0 10 20 30 40 50 60 7. cdrch12d78bhf-470mc t ( ) l ( h) dc (a) 0 40 80 120 160 200 240 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 11. cdrch12d78bhf-221mc t ( ) l ( h) dc (a) 0 15 30 45 60 75 90 0 1 2 3 4 5 0 10 20 30 40 50 60 8. cdrch12d78bhf-680mc t ( ) l ( h) dc (a) 0 20 40 60 80 100 120 0 1 2 3 4 0 10 20 30 40 50 60 9. cdrch12d78bhf-101mc t ( ) l ( h) dc (a) 0 100 200 300 400 500 600 0.0 0.4 0.8 1.2 1.6 2.0 0 10 20 30 40 50 60 13. cdrch12d78bhf-471mc t ( ) l ( h) dc (a)
page 7 of 7 revised: 4-jan-12 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 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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