SMD Power Inductor CDPH40D18 Description • Ferrite core construction. • Magnetically shielded. • L W H: 4.2 4.2 2.0mm Max. • Product weight: 120mg(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. RoHS × × × × Environmental Data • Operating temperature range: -40 ~+105 (including coil’s self temperature rise) • Storage temperature range: -40 +105 • Solder reflow temperature: 260 peak. ℃ ℃～ ℃ Dimension - [mm] ℃ ℃ Packaging • Carrier tape and reel packaging. • 13.0”diameter reel • 3000pcs per reel Applications • Ideally used in Mobilephone,PDA,MP3, DSC/DVC, etc as DC-DC converter inductors. Land pattern and Schematics - [mm] Electrical Characteristics Part No. CDPH40D18NP-4R7MC CDPH40D18NP-100MC CDPH40D18NP-330MC Inductance ( H) [Within] 1 μ ※ 4.7±20％ 10.0±20％ 33.0±20％ Ω ℃ 103±20％ 231±20％ 764±20％ D.C.R. (m ) [Within] (At 20 ) Saturation current (A) 2 Temperature rise current (A) 3 1.84 1.30 1.22 0.82 0.64 0.43 ※ ※ ※1. Inductance measuring condition: at 100kHz. ※2. Saturation current: The value of D.C. current when the inductance decreases to 70% 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 2 Revised: 1-Nov-12 SMD Power Inductor CDPH40D18 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ △T (℃) 1. CDPH40D18NP-4R7MC L ( H) 6 △T μ 2. CDPH40D18NP-100MC L ( H) 60 18 5 50 4 △T (℃) μ △T (℃) 3. CDPH40D18NP-330MC L ( H) 60 48 15 50 40 50 40 12 40 32 40 3 30 9 30 24 30 2 20 6 20 16 20 1 10 3 10 8 10 0 0 0 0 0 0.0 0.5 1.0 1.5 DC (A) 2.0 2.5 0.0 0.4 0.8 DC (A) 1.2 1.6 60 0 0.0 0.2 0.4 0.6 DC (A) 0.8 1.0 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.+852-2880-6688 FAX.+852-2565-9600 [email protected] Tel.+86-021-5836-3299 FAX.+86-021-5836-3266 [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] Tokyo Seoul Singapore San Jose Tel.+81-3-5202-7112 FAX.+81-3-5202-7105 [email protected] Tel.+82-2-6237-0777 FAX.+82-2-6237-0778 [email protected] Tel.+65-6296-3388 FAX.+65-6296-3390 [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: 1-Nov-12