SMD Power Inductor CDH25D09 Description • Ferrite drum core construction. • Magnetically unshielded. • L W H: 2.6 2.1 x1.0 mm Max. • Product weight:17.0 mg(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free × Environmental Data • Operating temperature range: -40 ~+105 (including coil’s self temperature rise) +105 • Storage temperature range: -40 • Solder reflow temperature: 260 peak. ℃ ℃～ ℃ Dimension - [mm] ℃ ℃ Packaging • Carrier tape and reel packaging. Applications • Ideally used in Mobile Phone.PDA.MP3.DSC/ DVC,HDD,ets as DC-DC converter inductor. 2.00 Land pattern and Schematics - [mm] 0.85 0.8 1 2 0.85 Electrical Characteristics Part Name Stamp CDH25D09HF-R47NC A CDH25D09HF-R68NC B CDH25D09HF-1R0NC C CDH25D09HF-1R5NC D CDH25D09HF-2R2MC E CDH25D09HF-3R3MC F CDH25D09HF-4R7MC G CDH25D09HF-6R8MC J CDH25D09HF-100MC K Ω Inductance ( H) 1MHz μ D.C.R.( )Max. (Typ.) (at 20 ) （A） ※1 (at 20℃) 0.47 30% 57.4m(45.9m) 2.47(2.90) 2.21 70.5m(56.4m) 2.17(2.55) 2.06 0.112(89.1m) 1.65(1.94) 1.53 0.154(0.123) 1.40(1.65) 1.36 0.233(0.186) 1.15(1.35) 1.13 0.310(0.248) 0.95(1.12) 0.97 0.463(0.370) 0.78(0.92) 0.8 0.675(0.540) 0.65(0.76) 0.51 0.923(0.738) 0.54(0.63) 0.45 ± 0.68±30% 1.0±30% 1.5±30% 2.2±20% 3.3±20% 4.7±20% 6.8±20% 10.0±20% ℃ Saturation Current Temperature Rise Current (A) ※2 ※1. Saturation current: The value of D.C. current when the inductance decreases to 70% of it’s nominal value. ※2. Temperature rise current: The value of D.C. current when the temperature rise is △t＝40℃(Ta＝20℃). Page 1 of 3 Revised: 10-Dec-13 SMD Power Inductor CDH25D09 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ L ( H) 1. CDH25D09HF-R47NC 0.36 △T (℃) △T μ L ( H) 60 0.6 0.30 50 0.24 2. CDH25D09HF-R68NC △T (℃) μ L ( H) 3. CDH25D09HF-1R0NC △T (℃) 60 1.2 0.5 50 1.0 50 40 0.4 40 0.8 40 0.18 30 0.3 30 0.6 30 0.12 20 0.2 20 0.4 20 0.06 10 0.1 10 0.2 10 0 0.0 0.00 0.0 μ L ( H) 0.8 1.6 DC (A) 2.4 4. CDH25D09HF-1R5NC 1.8 3.2 △T (℃) μ 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A) L ( H) 60 2.4 1.5 50 1.2 5. CDH25D09HF-2R2MC △T (℃) 60 0.0 0 0.0 μ L ( H) 0.4 0.8 1.2 DC (A) 1.6 6. CDH25D09HF-3R3MC 2.0 △T (℃) 60 3.6 2.0 50 3.0 50 40 1.6 40 2.4 40 0.9 30 1.2 30 1.8 30 0.6 20 0.8 20 1.2 20 0.3 10 0.4 10 0.6 10 0 0.0 0.0 μ 0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A) L ( H) 7. CDH25D09HF-4R7MC △T (℃) 0.0 0.0 μ L ( H) 0.3 0.6 0.9 DC (A) 1.2 8. CDH25D09HF-6R8MC 1.5 △T (℃) μ 60 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A) L ( H) 9. CDH25D09HF-100MC △T (℃) 60 12 5 50 10 50 40 4 40 8 40 2.4 30 3 30 6 30 1.6 20 2 20 4 20 0.8 10 1 10 2 10 0 0 0 0 4.8 60 6 4.0 50 3.2 0.0 0.0 0.2 0.4 0.6 DC (A) 0.8 1.0 0.0 0.2 0.4 0.6 DC (A) Page 2 of 3 0.8 60 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) Revised: 10-Dec-13 SMD Power Inductor CDH25D09 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: 10-Dec-13