SMD Power Inductor CDRH8D28 Description • Ferrite drum core construction. • Magnetically shielded. • L W H:8.3 8.3 3.0 mm Max. • Product weight: 0.57g(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free Dimension - [mm] 3 . 0 ± 0 . 8 5 . 2 （2 .8 ） MAX 3.0 8 .0 ± 0. 3 1 .2 6 .3 Land pattern and Schematics - [mm] × × Environmental Data • Operating temperature range: -40 ~+100 (including coil’s self temperature rise) +100 • Storage temperature range: -40 • Solder reflow temperature: 260 peak. ℃ ℃～ ℃ Packaging • Carrier tape and reel packaging • 12.9”diameter reel • 1000pcs per reel Applications • Ideally used in Notebook PC, Game machine, HDD, DVC, LCD TV etc as DC-DC converter inductors. 10.1 6.1 8 . 2 2.0 1 2 （1.0μH～15μH） 1 ℃ ℃ 2 （22μH～100μH） Page 1 of 4 Revised: 7-Jan-14 SMD Power Inductor CDRH8D28 Electrical Characteristics Part Name Stamp CDRH8D28NP-1R0NC 1R0 CDRH8D28NP-2R5NC 2R5 CDRH8D28NP-3R3NC 3R3 CDRH8D28NP-4R7NC 4R7 CDRH8D28NP-7R3NC 7R3 CDRH8D28NP-100NC 100 CDRH8D28NP-150NC 150 CDRH8D28NP-220NC 220 CDRH8D28NP-330NC 330 CDRH8D28NP-470NC 470 CDRH8D28NP-680NC 680 CDRH8D28NP-101NC 101 Inductance （μH） [ within ] 1 ※ ±30% 2.5±30% 3.3±30% 4.7±30% 7.3±30% 10±30% 15±30% 22±30% 33±30% 47±30% 68±30% 100±30% Ω ℃ D.C.R .(m ) Max. (Typ.) (at 20 ) Saturation Current （A） 2 Temperature Rise Current (A) 3 11.0(8) 6.50 7.00 15.6(12) 4.50 6.40 18.2(14) 4.00 6.00 24.7(19) 3.40 4.50 39.0(30) 2.80 3.40 47.0(36) 2.50 3.20 69.0(53) 1.90 2.35 99.0(76) 1.60 1.85 156(120) 1.30 1.45 195(150) 1.15 1.30 286(220) 0.92 0.98 430(330) 0.75 0.80 1.0 ※ ※ ※1. Inductance measuring conditions at 100kHz. ※2. Saturation current: The DC current at which the inductance decreases to 65% of its nominal value. ※3. Temperature rise current: The DC current at which the temperature rise is △t＝40℃.(Ta＝20℃) Page 2 of 4 Revised: 7-Jan-14 SMD Power Inductor CDRH8D28 Saturation Current & Temperature Rise Graph L (20℃) μ 4.8 μ △T (℃) 2.5 50 4.0 50 40 2.0 40 3.2 40 0.6 30 1.5 30 2.4 30 0.4 20 1.0 20 1.6 20 0.2 10 0.5 10 0.8 10 0 0.0 0 0.0 1.2 △T (℃) △T L (105℃) 60 1. CDRH8D28NP-1R0NC L ( H) μ 2. CDRH8D28NP-2R5NC L ( H) 60 3.0 1.0 50 0.8 0.0 0 2 4 6 DC (A) 8 μ 4. CDRH8D28NP-4R7NC L ( H) 6 10 0 △T (℃) 2 4 DC (A) 6 μ 5. CDRH8D28NP-7R3NC L ( H) 60 9.0 5 50 4 △T (℃) 3. CDRH8D28NP-3R3NC L ( H) 60 0 8 0 △T (℃) 1 2 3 4 DC (A) 5 μ 6. CDRH8D28NP-100NC L ( H) 6 △T (℃) 60 12 7.5 50 10 50 40 6.0 40 8 40 3 30 4.5 30 6 30 2 20 3.0 20 4 20 1 10 1.5 10 2 10 0 0 0.0 0 0 0 0 1 μ 2 3 DC (A) 4 7. CDRH8D28NP-150NC L ( H) 18 5 △T (℃) 0.0 0.6 1.2 1.8 2.4 3.0 3.6 DC (A) μ 8. CDRH8D28NP-220NC L ( H) 60 24 15 50 12 △T (℃) 60 0.0 0.6 1.2 1.8 2.4 3.0 3.6 DC (A) μ 9. CDRH8D28NP-330NC L ( H) △T (℃) 60 36 20 50 30 50 40 16 40 24 40 9 30 12 30 18 30 6 20 8 20 12 20 3 10 4 10 6 10 0 0 0 0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) μ 10. CDRH8D28NP-470NC L ( H) 60 0.0 △T (℃) 0.4 0.8 1.2 DC (A) μ 1.6 11. CDRH8D28NP-680NC L ( H) 60 90 50 50 40 2.0 0 0.0 △T (℃) 60 0.4 0.8 1.2 DC (A) μ 12. CDRH8D28NP-101NC L ( H) 1.6 △T (℃) 60 120 75 50 100 50 40 60 40 80 40 30 30 45 30 60 30 20 20 30 20 40 20 10 10 15 10 20 10 0 0 0 0 0 0.0 0.3 0.6 0.9 DC (A) 1.2 1.5 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A) Page 3 of 4 60 0 0.0 0.2 0.4 0.6 DC (A) 0.8 Revised: 7-Jan-14 1.0 SMD Power Inductor CDRH8D28 Solder Reflow Condition T (℃) 300 250 Heat Endurance 260℃ 230℃ 200 0 60 120 180 240 245℃ PEAK T (s) 40s ± ℃,60~120s 170 10 100 300 ℃ 230 150 60 100 Temperature Chart 200 10 150 50 0 T (℃) 300 250 50 0 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 FAX.+852-2565-9600 [email protected] Tel.+86-21-5836-3299 FAX.+86-21-5836-3266 [email protected] Tel.+86-755-8291-0228 FAX.+86-755-8291-0338 [email protected] Tel.+886-2-8751-2737 FAX.+886-2-8751-2738 [email protected] Saitama(Japan) Seoul Singapore San Jose Tel.+81-48-691-7300 FAX.+81-48-691-7340 [email protected] Tel.+82-2-6237-0777 FAX.+82-2-6237-0778 [email protected] Tel.+65-6296-3388 FAX.+65-6841-4426 [email protected] Tel.+1-408-321-9660 FAX.+1-408-321-9308 [email protected] Chicago Obernzell Neumarkt Tel.+1-847-545-6700 FAX. +1-847-545-6720 [email protected] Tel.+49-8591-937-0 FAX. +49-8591-937-103 [email protected] Tel.+49-9181-4509-110 FAX. +49-9181-4509-310 [email protected] Page 4 of 4 Revised: 7-Jan-14