SSSSMMMMDDDD PPPPoooowwwweeeerrrr IIIInnnndddduuuuccccttttoooorrrr CDRH4D28 Description • Ferrite drum core construction. RoHS • Magnetically shielded. • L×W×H:5.0×5.0×3.0 mm Max. • Product weight: 0.2g(Ref.) Halogen • Moisture Sensitivity Level: 1 Free • RoHS compliance. • Halogen Freeavailable. Environmental Data Dimension - [mm] •Operating temperature range: -40℃~+100℃ 4.5 (including coil’s self temperature rise) ① • Storage temperature range: -40℃～+100℃ .3 • Solder reflow temperature: 260 ℃peak. 0 4.7± 4.5 1.5 Packaging ※ • Carrier tape and reel packaging ② MAX.6.9 • 12.9”diameter reel ※ 4.7±0.3 (2.8) • 2000pcs per reel MAX.3.0 ELECTRODE TERMINAL Applications •Ideally used in Mobile phone,PDA,MP3,HDD, Land pattern and Schematics- [mm] DSC/DVC, Note book PC, etc as DC-DC converter inductors. 5.3 9 . 1 5 . 1 9 . 1 ①① ①① ②② ②② ( 1.2μH～8.2μH ) ( 10μH～180μH ) Page 1of 5 Revised: 7-Jan-14

SSSSMMMMDDDD PPPPoooowwwweeeerrrr IIIInnnndddduuuuccccttttoooorrrr CDRH4D28 Electrical Characteristics Inductance D.C.R.(Ω) Rated Current Part No. Stamp (μH) Max. (Typ.) (A) ※2 [ within ] ※1 (at 20℃) CDRH4D28NP-1R2NC 1R2 1.2±30% 23.6m(17.5m) 2.56 CDRH4D28NP-1R8NC 1R8 1.8±30% 27.5m(20.4m) 2.20 CDRH4D28NP-2R2NC 2R2 2.2±30% 31.3m(23.2m) 2.04 CDRH4D28NP-2R7NC 2R7 2.7±30% 43.3m(32.1m) 1.60 CDRH4D28NP-3R3NC 3R3 3.3±30% 49.2m(36.4m) 1.57 CDRH4D28NP-3R9NC 3R9 3.9±30% 64.8m(48.0m) 1.44 CDRH4D28NP-4R7NC 4R7 4.7±30% 72.0m(53.3m) 1.32 CDRH4D28NP-5R6NC 5R6 5.6±30% 100.9m(74.7m) 1.17 CDRH4D28NP-6R8NC 6R8 6.8±30% 108.9m(80.7m) 1.12 CDRH4D28NP-8R2NC 8R2 8.2±30% 117.5m(87.0m) 1.04 CDRH4D28NP-100NC 100 10±30% 128.3m(95.0m) 1.00 CDRH4D28NP-120NC 120 12±30% 131.6m(97.5m) 0.84 CDRH4D28NP-150NC 150 15±30% 149.0m(110.4m) 0.76 CDRH4D28NP-180NC 180 18±30% 166.0m(123.0m) 0.72 CDRH4D28NP-220NC 220 22±30% 235.0m(174.5m) 0.70 CDRH4D28NP-270NC 270 27±30% 261.0m(193.3m) 0.58 CDRH4D28NP-330NC 330 33±30% 331.3m(254.8m) 0.56 CDRH4D28NP-390NC 390 39±30% 383.7m(284.2m) 0.50 CDRH4D28NP-470NC 470 47±30% 587.0m(435.0m) 0.48 CDRH4D28NP-560NC 560 56±30% 624.5m(462.6m) 0.41 CDRH4D28NP-680NC 680 68±30% 699.0m(517.8m) 0.35 CDRH4D28NP-820NC 820 82±30% 914.8m(677.6m) 0.32 CDRH4D28NP-101NC 101 100±30% 1.02(765.8m) 0.29 CDRH4D28NP-121NC 121 120±30% 1.27(976.8m) 0.27 CDRH4D28NP-151NC 151 150±30% 1.35(1.08) 0.24 CDRH4D28NP-181NC 181 180±30% 1.54(1.23) 0.22 ※1. Inductance measuring condition: at 100kHz. ※2.Rated current: The DC current at which the inductance decreasesto 65% of its nominal value or when △t=40℃, whichever is lower (Ta=20℃). Page 2of 5 Revised: 7-Jan-14

SSSSMMMMDDDD PPPPoooowwwweeeerrrr IIIInnnndddduuuuccccttttoooorrrr CDRH4D28 Saturation Current & Temperature Rise Graph L (20℃) L (100℃) △T 1. CDRH4D28NP-1R2NC 2. CDRH4D28NP-1R8NC 3. CDRH4D28NP-2R2NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 1.8 60 1.8 60 2.4 60 1.5 50 1.5 50 2.0 50 1.2 40 1.2 40 1.6 40 0.9 30 0.9 30 1.2 30 0.6 20 0.6 20 0.8 20 0.3 10 0.3 10 0.4 10 0.0 0 0.0 0 0.0 0 0 1 2 3 4 5 6 0 1 2 3 4 5 0 1 2 3 4 5 DC (A) DC (A) DC (A) 4. CDRH4D28NP-2R7NC 5. CDRH4D28NP-3R3NC 6. CDRH4D28NP-3R9NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 3.6 60 3.6 60 4.8 60 3.0 50 3.0 50 4.0 50 2.4 40 2.4 40 3.2 40 1.8 30 1.8 30 2.4 30 1.2 20 1.2 20 1.6 20 0.6 10 0.6 10 0.8 10 0.0 0 0.0 0 0.0 0 0 1 2 3 4 0.0 0.8 1.6 2.4 3.2 0.0 0.8 1.6 2.4 3.2 DC (A) DC (A) DC (A) 7. CDRH4D28NP-4R7NC 8. CDRH4D28NP-5R6NC 9. CDRH4D28NP-6R8NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 6 60 9.0 60 9.0 60 5 50 7.5 50 7.5 50 4 40 6.0 40 6.0 40 3 30 4.5 30 4.5 30 2 20 3.0 20 3.0 20 1 10 1.5 10 1.5 10 0 0 0.0 0 0.0 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) DC (A) DC (A) 10. CDRH4D28NP-8R2NC 11. CDRH4D28NP-100NC 12. CDRH4D28NP-120NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 9.0 60 12 60 18 60 7.5 50 10 50 15 50 6.0 40 8 40 12 40 4.5 30 6 30 9 30 3.0 20 4 20 6 20 1.5 10 2 10 3 10 0.0 0 0 0 0 0 0.0 0.4 0.8 1.2 1.6 2.0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A) DC (A) DC (A) Page 3of 5 Revised: 7-Jan-14

SSSSMMMMDDDD PPPPoooowwwweeeerrrr IIIInnnndddduuuuccccttttoooorrrr CDRH4D28 Saturation Current & Temperature Rise Graph L (20℃) L (100℃) △T 13. CDRH4D28NP-150NC 14. CDRH4D28NP-180NC 15. CDRH4D28NP-220NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 18 60 24 60 30 60 15 50 20 50 25 50 12 40 16 40 20 40 9 30 12 30 15 30 6 20 8 20 10 20 3 10 4 10 5 10 0 0 0 0 0 0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0.0 0.4 0.8 1.2 1.6 0.0 0.3 0.6 0.9 1.2 1.5 DC (A) DC (A) DC (A) 16. CDRH4D28NP-270NC 17. CDRH4D28NP-330NC 18. CDRH4D28NP-390NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 30 60 36 60 48 60 25 50 30 50 40 50 20 40 24 40 32 40 15 30 18 30 24 30 10 20 12 20 16 20 5 10 6 10 8 10 0 0 0 0 0 0 0.0 0.3 0.6 0.9 1.2 1.5 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A) DC (A) DC (A) 19. CDRH4D28NP-470NC 20. CDRH4D28NP-560NC 21. CDRH4D28NP-680NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 60 60 60 60 90 60 50 50 50 50 75 50 40 40 40 40 60 40 30 30 30 30 45 30 20 20 20 20 30 20 10 10 10 10 15 10 0 0 0 0 0 0 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 DC (A) DC (A) DC (A) 22. CDRH4D28NP-820NC 23. CDRH4D28NP-101NC 24. CDRH4D28NP-121NC L (μH) △T (℃) L (μH) △T (℃) L (μH) △T (℃) 120 60 120 60 180 60 100 50 100 50 150 50 80 40 80 40 120 40 60 30 60 30 90 30 40 20 40 20 60 20 20 10 20 10 30 10 0 0 0 0 0 0 0.0 0.2 0.4 0.6 0.8 0.0 0.2 0.4 0.6 0.8 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) DC (A) DC (A) Page 4of 5 Revised: 7-Jan-14

SSSSMMMMDDDD PPPPoooowwwweeeerrrr IIIInnnndddduuuuccccttttoooorrrr CDRH4D28 Saturation Current & Temperature Rise Graph L (20℃) L (100℃) △T 25. CDRH4D28NP-151NC 26. CDRH4D28NP-181NC L (μH) △T (℃) L (μH) △T (℃) 180 60 240 60 150 50 200 50 120 40 160 40 90 30 120 30 60 20 80 20 30 10 40 10 0 0 0 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.0 0.1 0.2 0.3 0.4 0.5 DC (A) DC (A) Solder Reflow Condition Heat Endurance Temperature Chart T (℃) T (℃) 300 260℃ 300 245℃ PEAK 250 230℃ 250 230℃ 200 200 10 40s 150 150 60 170±10 ℃,60~120s 100 100 50 50 0 0 0 60 120 180 240 300 T (s) 0 60 120 180 240 300 T (s) Please refer to the sales offices on our website - http://www.sumida.com Hong Kong Shanghai Shenzhen Taipei Tel.+852-2880-6781 Tel.+86-21-5836-3299 Tel.+86-755-8291-0228 Tel.+886-2-8751-2737 FAX.+852-2565-9600 FAX.+86-21-5836-3266 FAX.+86-755-8291-0338 FAX.+886-2-8751-2738 sales@hk.sumida.com shanghai.sales@cn.sumida.com shenzhen.sales@cn.sumida.com sales@tw.sumida.com Saitama(Japan) Seoul Singapore San Jose Tel.+81-48-691-7300 Tel.+82-2-6237-0777 Tel.+65-6296-3388 Tel.+1-408-321-9660 FAX.+81-48-691-7340 FAX.+82-2-6237-0778 FAX.+65-6841-4426 FAX.+1-408-321-9308 sales@jp.sumida.com sales@kr.sumida.com sales@sg.sumida.com sales@us.sumida.com Chicago Obernzell Neumarkt Tel.+1-847-545-6700 Tel.+49-8591-937-0 Tel.+49-9181-4509-110 FAX. +1-847-545-6720 FAX. +49-8591-937-103 FAX. +49-9181-4509-310 sales@us.sumida.com contact@eu.sumida.com infocomp@eu.sumida.com Page 5of 5 Revised: 7-Jan-14