SMD Power Inductor CDBM7D28 Description • Ferrite core construction • Magnetically shielded • L W H: 8.0 5.0 3.0 mm Max. • Product weight:0.5g(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. RoHS × × Dimension - inch [mm] Environmental Data • Operating temperature range: -40 +100 (including coil’s self temperature rise) • Storage temperature range: -40 +100 • Solder reflow temperature: 260 peak. ℃～ ℃ ℃～ ℃ ℃ 5.0 M ax. 1.8 3.0 Max . . x a 0 M . 0 4 . 8 Packaging • Carrier tape and reel packaging • 11.8 ”diameter reel • 2000pcs per reel Applications • Ideally used in the multiple chopper type DC/DC converters for servers and various decentralized power supplies. Land pattern and Schematics - inch [mm] 0 . 0 1 5 . 3 1 .8 × × P ar t of s old er r es is t p ri nt in g D im e n s io n o f C D B M 7D 2 8 Electrical Characteristics Parameter ℃) 1.Inductance(at20 ℃) 2.D.C.R. (at 20 0 Idc Measuring condition Typ. Min. Max. Unit 0A 1MHz 100 80 120 nH ～15A 1MHz 80 1.4 3.Rating current nH 1.7 15.0 Page 1 of 2 m Ω A Revised: 10-Dec-13 SMD Power Inductor CDBM7D28 Saturation Current & Temperature Rise Graph ℃ L (20 ) L (u H) 0.12 1. CDBM7D28NP-0R1NC L (100 ) ℃ △T 260℃ T (℃) 300 250 △T (℃) 60 0.10 50 0.08 40 0.06 30 0.04 20 0.02 10 0.00 0 0 5 10 15 20 DC (A) 25 30 Solder Reflow Condition T (℃) 300 250 Heat Endurance 230℃ 200 50 0 0 60 120 180 240 T (s) 40s ± ℃,60~120s 170 10 100 300 ℃ 230 150 60 100 245℃ PEAK 200 10 150 Temperature Chart 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 2 of 2 Revised: 10-Dec-13