page 1 of 4 revised: 1-jun-11 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 +105 ? solder reflow temperature: 260 peak. packaging ? carrier tape and reel packaging. 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 12.20.3 1 2 . 2 0 . 3 1.7 6 . 5 2 . 7 5 2 . 7 5 1.6 5.0 (4.7 h 22 h) (33 h 470 h)
page 2 of 4 revised: 1-jun-11 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b electrical characteristics 0.45(0.52) 1.5(1.75) 2.01(1.75) 470 20% 471 cdrch12d78bhf-471mc 0.56(0.64) 1.7(2.1) 1.35(1.17) 330 20% 331 cdrch12d78bhf-331mc 0.68(0.78) 2.1(2.5) 936m(780m) 220 20% 221 cdrch12d78bhf-221mc 0.83(0.95) 2.5(3.0) 648m(540m) 150 20% 151 cdrch12d78bhf-151mc 1.10(1.25) 3.1(3.7) 384m(320m) 100 20% 101 cdrch12d78bhf-101mc 1.3(1.5) 3.9(4.6) 266m(222m) 68 20% 680 cdrch12d78bhf-680mc 1.5(1.7) 4.6(5.5) 186m(155m) 47 20% 470 cdrch12d78bhf-470mc 1.8(2.1) 5.5(6.5) 144m(120m) 33 20% 330 cdrch12d78bhf-330mc 2.3(2.6) 7.0(8.2 96m(80m) 22 20% 220 CDRCH12D78BHF-220MC 2.8(3.2) 8.2(9.7 72m(58m 15 20% 150 cdrch12d78bhf-150mc 3.2(3.6) 10.0(11.8) 54m(42m 10 20% 100 cdrch12d78bhf-100mc 3.6(4.1) 12.0(14.2) 46m(36m 6.8 30% 6r8 cdrch12d78bhf-6r8nc 3.9(4.4) 13.2(15.6) 40m(30m 4.7 30% 4r7 cdrch12d78bhf-4r7nc temperature rise current (a) 4 saturationcurrent (a) (at 20 ) 3 d.c.r.( ) [max.] 2 inductance( h) [within] 1 stamp part name 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 )
page 3 of 4 revised: 1-jun-11 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 0 60 120 180 240 300 360 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 10 20 30 40 50 60 0 40 80 120 160 200 240 0.0 0.6 1.2 1.8 2.4 3.0 3.6 0 10 20 30 40 50 60 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 0 20 40 60 80 100 120 0.0 0.8 1.6 2.4 3.2 4.0 4.8 0 10 20 30 40 50 60 0 15 30 45 60 75 90 0.0 1.0 2.0 3.0 4.0 5.0 6.0 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 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0 10 20 30 40 50 60 0 4 8 12 16 20 24 0 2 4 6 8 10 12 0 10 20 30 40 50 60 0 3 6 9 12 15 18 0 2 4 6 8 10 12 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 3 6 9 12 15 18 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 18 0 10 20 30 40 50 60 saturation current & temperature rise graph 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. cdrh10d38dhpnp-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. cdrh10d38dhpnp-680mc t ( ) l ( h) dc (a) 9. cdrh10d38dhpnp-101mc t ( ) l ( h) dc (a)
page 4 of 4 revised: 1-jun-11 smd smd smd smd power inductor power inductor power inductor power inductor cdrch12d78b 0 80 160 240 320 400 480 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 10 20 30 40 50 60 saturation current & temperature rise graph 13. cdrch12d78bhf-471mc t ( ) l ( h) dc (a) l (20 ) t 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.+1-408-3219660 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 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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