SMD Power Inductor CDH20D08 Description • Ferrite drum core construction. • Magnetically Unshielded. • L W H: 2.2 2.2 x0.9 mm Max. • Product weight: 10.5mg(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) • Storage temperature range:-40 ~+105 • Solder reflow temperature: 260 peak. ℃ ℃ ℃ ℃ ℃ Dimension - [mm] 2.0±0.2 0.9 Max. × 0.70 2 . 0 ± 0 . 2 Packaging • Carrier tape and reel packaging 0.55 Applications • Ideally used in smart phone and other portable devices. 0.55 Land pattern and Schematics - [mm] 0 . 2 0 . 75 0 . 60 0 . 75 Electrical Characteristics Part name Stamp Inductance [ H] 1MHz CDH20D08HF-R47NC A 0.47 30% CDH20D08HF-R68NC B CDH20D08HF-1R0NC C CDH20D08HF-1R5NC D CDH20D08HF-2R2MC E CDH20D08HF-3R3MC F CDH20D08HF-4R7MC G CDH20D08HF-6R8MC J CDH20D08HF-8R2MC K μ ± 0.68±30% 1.0±30% 1.5±30% 2.2±20% 3.3±20% 4.7±20% 6.8±20% 8.2±20% Ω D.C.R.( ) [Max.] (at 20 ) Saturation current (A) 1 (at20 ) 85m (67m) 1.89 (2.36) 1.44 134m (107m) 1.48 (1.85) 1.15 182m (146m) 1.15 (1.44) 0.78 275m (220m) 0.94 (1.18) 0.66 368m (295m) 0.80 (1.00) 0.61 585m (468m) 0.67 (0.84) 0.46 700m (560m) 0.61 (0.76) 0.44 1.011 (808m) 0.50 (0.63) 0.35 1.215 (1.012) 0.45 (0.56) 0.29 ℃ ※ ℃ Temperature rise current ( ) 2 Ａ※ ※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: 26-Jul-11 SMD Power Inductor CDH20D08 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ L ( H) △T (℃) 1. CDH20D08HF-R47NC △T μ L ( H) 2. CDH20D08HF-R68NC △T (℃) μ L ( H) 3. CDH20D08HF-1R0NC △T (℃) 60 1.8 1.0 50 1.5 50 40 0.8 40 1.2 40 0.3 30 0.6 30 0.9 30 0.2 20 0.4 20 0.6 20 0.1 10 0.2 10 0.3 10 0.0 0 0.0 0.6 60 1.2 0.5 50 0.4 0.0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) μ L ( H) △T (℃) 4. CDH20D08HF-1R5NC 2.4 0.0 μ L ( H) 60 3.0 2.0 50 1.6 0.4 0.8 1.2 DC (A) 1.6 5. CDH20D08HF-2R2MC 60 0 0.0 2.0 △T (℃) μ L ( H) 0.3 0.6 0.9 DC (A) 1.2 6. CDH20D08HF-3R3MC 1.5 △T (℃) 60 4.8 2.5 50 4.0 50 40 2.0 40 3.2 40 1.2 30 1.5 30 2.4 30 0.8 20 1.0 20 1.6 20 0.4 10 0.5 10 0.8 10 0 0.0 0.0 μ 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A) L ( H) 7. CDH20D08HF-4R7MC 6.0 △T (℃) 60 0.0 0.0 μ L ( H) 0.2 0.4 0.6 DC (A) 0.8 8. CDH20D08HF-6R8MC 9.0 0 1.0 △T (℃) 60 0.0 μ L ( H) 60 9.0 0.2 0.4 0.6 DC (A) 0.8 9. CDH20D08HF-8R2MC 1.0 △T (℃) 60 5.0 50 7.5 50 7.5 50 4.0 40 6.0 40 6.0 40 3.0 30 4.5 30 4.5 30 2.0 20 3.0 20 3.0 20 1.0 10 1.5 10 1.5 10 0.0 0 0.0 0.0 0.2 0.4 DC (A) 0.6 0.8 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) Page 2 of 3 0.0 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) Revised: 26-Jul-11 SMD Power Inductor CDH20D08 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.+1-408-3219660 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 3 of 3 Revised: 26-Jul-11