SMD Power Inductor CDMC8D28 Description • Metal compound molding type construction. • Magnetically shielded. • L W H: 9.5 8.7 3.0 mm Max. • Product weight:1.2 g (Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free Environmental Data • Operating temperature range: -40 +125 (including coil’s self temperature rise) +85 • Storage temperature range: -40 • Solder reflow temperature: 260 peak. ℃～ ℃ ℃～ ℃ ℃ Dimension - [mm] 3.0 Max. 9.5 Max. 1.7±0.3 0.01 Min. 2. 0 ± 5. 8 1.7±0.3 1 3. 0 5± .3 2 Packaging • Carrier tape and reel packaging. • 13.0”diameter reel • 1000pcs per reel :Electrode Applications • Ideally used in low voltage-high current laptop PC & sever power supply. Land pattern and Schematics - [mm] 10.5 5.0 ② ① 0 . 4 × × Electrical Characteristics μ ］※ Part No. Stamp Inductance ( H) Within 1 CDMC8D28NP-R18MC R18 0.18 20% CDMC8D28NP-R39MC R39 CDMC8D28NP-R68MC R68 CDMC8D28NP-1R2MC 1R2 CDMC8D28NP-1R8MC 1R8 CDMC8D28NP-2R2MC 2R2 CDMC8D28NP-3R3MC 3R3 CDMC8D28NP-3R9MC 3R9 ［ ± 0.39±20% 0.68±20% 1.2±20% 1.8±20% 2.2±20% 3.3±20% 3.9±20% Ω ℃ D.C.R. (m ) [Max.] (Typ.) (at 20 ) Saturation current (A) at 20 2 Temperature rise current (A) 3 1.6(1.33) 28.7(35.9) 25.8 2.8(2.32) 19.8(24.7) 19.9 4.6(3.84) 16.0(20.0) 15.4 7.0(5.80) 12.2(15.3) 12.9 12.6(10.5) 9.4(11.8) 9.3 16.1(13.4) 8.8(11.0) 8.1 22.2(18.5) 7.0(8.8) 7.3 24.1(20.1) 6.4(8.0) 7.1 （ ℃）※ ※ ※1. Measuring condition: at 1MHz. ※2. Saturation current: The value of D.C. current when the inductance decreases to 80% of it’s nominal value. ※3. Temperature rise current: The value of D.C. current when the temperature rise is △t＝40℃(Ta＝20℃). Page 1 of 3 Revised: 19-Dec-13 SMD Power Inductor CDMC8D28 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ L ( H) ℃ △T L (125 ) 1. CDMC8D28NP-R18MC 0.30 △T (℃) μ L ( H) 60 0.6 0.25 50 0.20 2. CDMC8D28NP-R39MC △T (℃) μ L ( H) 3. CDMC8D28NP-R68MC △T (℃) 60 1.2 0.5 50 1.0 50 40 0.4 40 0.8 40 0.15 30 0.3 30 0.6 30 0.10 20 0.2 20 0.4 20 0.05 10 0.1 10 0.2 10 0 0.0 0 0.0 0.00 0 μ L ( H) 10 20 DC (A) 30 4. CDMC8D28NP-1R2MC 1.2 40 0 △T (℃) 60 μ L ( H) 5 10 15 20 DC (A) 25 5. CDMC8D28NP-1R8MC 2.4 30 60 0 0 △T (℃) 60 μ L ( H) 4 8 12 16 DC (A) 20 6. CDMC8D28NP-2R2MC 3.0 24 △T (℃) 60 1.0 50 2.0 50 2.5 50 0.8 40 1.6 40 2.0 40 0.6 30 1.2 30 1.5 30 0.4 20 0.8 20 1.0 20 0.2 10 0.4 10 0.5 10 0 0.0 0 0.0 0.0 0 μ L ( H) 4 8 12 DC (A) 16 7. CDMC8D28NP-3R3MC 3.6 20 0 △T (℃) μ L ( H) 4 8 DC (A) 12 8. CDMC8D28NP-3R9MC 16 △T (℃) 60 4.8 3.0 50 4.0 50 2.4 40 3.2 40 1.8 30 2.4 30 1.2 20 1.6 20 0.6 10 0.8 10 0.0 0 0.0 0 0 2 4 6 DC (A) 8 10 0 0 2 4 6 8 DC (A) 10 60 0 2 4 6 DC (A) Page 2 of 3 8 10 Revised: 19-Dec-13 12 SMD Power Inductor CDMC8D28 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 3 of 3 Revised: 19-Dec-13