SMD Power Inductor CDH25D14 Description • Ferrite drum core construction. • Magnetically unshielded. • L W H: 2.6 2.1 x1.5 mm Max. • Product weight: 0.03 g(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] 1.5 Max. 2.50±0.10 0.9 0 1 . 0 ± 0 0 . 2 9 . 1 2.00 0.85 0.8 ℃ ℃ Packaging • Carrier tape and reel packaging Applications • Ideally used in Mobile Phone,PDA,MP3,DSC/ DVC,HDD,ets as DC-DC converter inductors. Land pattern and Schematics - [mm] 1 × 2 0.85 Page 1 of 4 Revised: 9-Jul-11 SMD Power Inductor CDH25D14 Electrical Characteristics Part name Stamp CDH25D14HF-R24NC A CDH25D14HF-R33NC B CDH25D14HF-R47NC C CDH25D14HF-R68NC D CDH25D14HF-R82NC E CDH25D14HF-1R0NC F CDH25D14HF-1R5NC G CDH25D14HF-2R2MC J CDH25D14HF-3R3MC K CDH25D14HF-4R7MC L CDH25D14HF-6R8MC M CDH25D14HF-100MC N CDH25D14HF-150MC P CDH25D14HF-220MC Q CDH25D14HF-330MC R Inductance [ H] 1MHz μ ± 0.33±30% 0.47±30% 0.68±30% 0.82±30% 1.0±30% 1.5±30% 2.2±20% 3.3±20% 4.7±20% 6.8±20% 10±20% 15±20% 22±20% 33±20% 0.24 30% Ω ℃ ※1 (at 105℃) Temperature rise current (A) 2 4.15(5.20) 3.30(4.10) 2.20(2.50) 0.060(0.045) 3.40(4.25) 2.85(3.55) 1.90(2.20) 0.065(0.055) 3.05(3.80) 2.55(3.20) 1.70(1.95) 0.075(0.060) 2.70(3.40) 2.20(2.75) 1.55(1.80) 0.085(0.070) 2.50(3.10) 2.10(2.60) 1.50(1.70) 0.095(0.075) 2.25(2.80) 1.85(2.30) 1.45(1.65) 0.13(0.10) 1.85(2.30) 1.50(1.90) 1.15(1.30) 0.18(0.14) 1.50(1.90) 1.25(1.55) 0.95(1.10) 0.21(0.17) 1.30(1.60) 1.05(1.30) 0.75(0.90) 0.30(0.24) 1.10(1.40) 0.90(1.15) 0.65(0.75) 0.52(0.42) 0.90(1.15) 0.75(0.90) 0.55(0.60) 0.67(0.53) 0.75(0.95) 0.60(0.75) 0.40(0.50) 1.05(0.83) 0.60(0.75) 0.50(0.65) 0.35(0.40) 1.55(1.30) 0.50(0.60) 0.40(0.50) 0.27(0.32) 2.15(1.70) 0.40(0.50) 0.30(0.40) 0.13(0.27) D.C.R.( ) [Max.] (Typ.) (at 20 ) Saturation current (A) 0.050(0.035) ℃) (at 20 ※ ※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 2 of 4 Revised: 9-Jul-11 SMD Power Inductor CDH25D14 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ L ( H) ℃ △T L (105 ) 1. CDH25D14HF-R24NC △T (℃) μ L ( H) 60 0.48 0.25 50 0.20 2. CDH25D14HF-R33NC △T (℃) μ L ( H) 3. CDH25D14HF-R47NC △T (℃) 60 0.6 0.40 50 0.5 50 40 0.32 40 0.4 40 0.15 30 0.24 30 0.3 30 0.10 20 0.16 20 0.2 20 0.05 10 0.08 10 0.1 10 0 0.00 0.30 0.00 0 μ L ( H) 1 2 3 4 DC (A) 5 4. CDH25D14HF-R68NC 1.2 6 △T (℃) μ 0 0.0 0.8 1.6 2.4 3.2 4.0 4.8 DC (A) L ( H) 60 1.2 1.0 50 0.8 5. CDH25D14HF-R82NC △T (℃) 60 0.0 0 0 μ L ( H) 1 2 DC (A) 3 6. CDH25D14HF-1R0NC 4 △T (℃) 60 1.2 1.0 50 1.0 50 40 0.8 40 0.8 40 0.6 30 0.6 30 0.6 30 0.4 20 0.4 20 0.4 20 0.2 10 0.2 10 0.2 10 0 0.0 0.0 0 0.0 0.6 1.2 1.8 2.4 3.0 3.6 DC (A) μ L ( H) 7. CDH25D14HF-1R5NC 1.8 △T (℃) 0.0 0.0 μ L ( H) 60 3.0 1.5 50 1.2 0.8 1.6 DC (A) 2.4 8. CDH25D14HF-2R2MC 3.2 △T (℃) μ 60 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A) L ( H) 9. CDH25D14HF-3R3MC △T (℃) 60 3.6 2.5 50 3.0 50 40 2.0 40 2.4 40 0.9 30 1.5 30 1.8 30 0.6 20 1.0 20 1.2 20 0.3 10 0.5 10 0.6 10 0 0.0 0.0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) μ L ( H) 10. CDH25D14HF-4R7MC 4.8 △T (℃) 0.0 0.0 μ L ( H) 60 9.0 4.0 50 3.2 0.4 0.8 1.2 DC (A) 1.6 11. CDH25D14HF-6R8MC 2.0 60 0 0.0 △T (℃) μ L ( H) 0.4 0.8 1.2 DC (A) 12. CDH25D14HF-100MC 1.6 △T (℃) 60 12 7.5 50 10 50 40 6.0 40 8 40 2.4 30 4.5 30 6 30 1.6 20 3.0 20 4 20 0.8 10 1.5 10 2 10 0.0 0 0.0 0 0 0.0 0.3 0.6 0.9 DC (A) 1.2 1.5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A) Page 3 of 4 0.0 60 0.2 0.4 0.6 DC (A) 0.8 Revised: 9-Jul-11 1.0 SMD Power Inductor CDH25D14 Saturation Current & Temperature Rise Graph ℃ ℃ L (20 ) μ L ( H) 18 △T L (105 ) 13. CDH25D14HF-150MC △T (℃) μ L ( H) 60 24 15 50 12 14. CDH25D14HF-220MC △T (℃) μ L ( H) 15. CDH25D14HF-330MC △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 0.2 0.4 0.6 0.8 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) 60 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) DC (A) 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 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.+1-408-3219660 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: 9-Jul-11 300 T (s)