SMD Power Inductor C252012/DS Description • Multilayer power inductor. • Magnetically shielded. • L W H: 2.65 2.15 1.2 mm Max. • Product weight: 28mg (Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free Environmental Data • Operating temperature range: -30 +85 (including coil’s self temperature rise) +85 • Storage temperature range: -30 • Solder reflow temperature: 260 peak. Dimension - [mm] 2.5±0.15 1.2 Max. 0.46±0.2 51 .0 ± 0. 2 2. 0 ± 8. 1 ℃～ ℃ ℃～ ℃ ℃ Packaging • Carrier tape and reel packaging. Applications • Ideally used in DC/DC converters for Smart phones, Cell phones, other portable instruments, HDD, and SSD. Land pattern and Schematics - [mm] 1.3 × × 0.6 0 . 2 2.5 Electrical Characteristics Part No. μH)※1 ±L(20% C252012WB-R47 0.47 C252012WB-1R0 ± Ω) ※ Saturation current (mA) 2 Temperature rise Current (mA) 3 50 2300 2300 1.0 80 2000 1900 C252012WB-1R5 1.5 105 1600 1700 C252012WB-2R2 2.2 130 1500 1400 C252012WB-3R3 3.3 230 1300 1000 C252012WB-4R7 4.7 320 1200 900 D.C.R. (m 25% ※ ※1. Inductance measuring condition: at 3MHz. ※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＝25℃). Page 1 of 3 Revised: 19-Mar-12 SMD Power Inductor C252012/DS Saturation Current & Temperature Rise Graph ℃ L (20 ) μ △T (℃) △T μ 60 2. C252012WB-3R3 L ( H) 6 5 50 4 △T (℃) μ △T60(℃) 60 3. C252012WB-2R2 L ( H) 3.0 5 50 2.5 50 40 4 40 2.0 40 3 30 3 30 1.5 30 2 20 2 20 1.0 20 1 10 1 10 0.5 10 0 0 0 0 0.0 0 1. C252012WB-4R7 L ( H) 6 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.3 0.6 DC (A) 0.9 1.2 1.5 DC (A) μ △T (℃) 4. C252012WB-1R5 L ( H) 2.4 μ 2.0 50 1.0 50 1.6 40 0.8 40 1.2 30 0.6 30 0.8 20 0.4 20 0.4 10 0.2 10 0 0.0 0.4 0.8 1.2 DC (A) 1.6 2.0 0.6 0.9 1.2 △T (℃) 60 0.0 0.3 DC (A) 5. C252012WB-1R0 L ( H) 1.2 0.0 0.0 60 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) Page 2 of 3 Revised: 19-Mar-12 1.5 SMD Power Inductor C252012/DS 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 3 of 3 Revised: 19-Mar-12