SMD Power Inductor CDH25D11D Description • Ferrite drum core construction. • Magnetically unshielded. • L W H: 2.6 2.1 1.2 mm Max. • Product weight: 20 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] ±0.1 ±0.1 ±0.1 0.1 1.8 1.0 0.1 1.1 2.0 2.5 × × ± ± Packaging • Carrier tape and reel packaging. Applications • Ideally used in HDD, cell phone, PDA, DVC and DSC. 2.0 Land pattern and Schematics - [mm] 0.85 0.8 0.85 Electrical Characteristics PART NAME STAMP CDH25D11DHF-1R0NC-H A CDH25D11DHF-1R5NC-H B CDH25D11DHF-2R2MC-H C CDH25D11DHF-3R3MC-H D CDH25D11DHF-4R7MC-H E CDH25D11DHF-6R8MC-H F CDH25D11DHF-100MC-H G ℃ ℃ INDUCTANCE (uH) [WITHIN] 1 ※ 1.0±30％ 1.5±30％ 2.2±20％ 3.3±20％ 4.7±20％ 6.8±20％ 10±20％ Ω ℃ 79±25％ 118±25％ 167±25％ 215±25％ 318±20％ 495±20％ 755±20％ D.C.R. (m ) [ WITHIN ] (at 20 ) SATURATION CURRENT (A) (at 20 ) 2 TEMPERATURE RISE CURRENT (A) 3 2.16 1.52 1.89 1.25 1.50 1.02 1.30 0.96 1.11 0.76 0.84 0.58 0.71 0.44 ℃ ※ ※ ※1. 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 3 Revised: 8-Sep-11 SMD Power Inductor CDH25D11D Saturation Current & Temperature Rise Graph ℃ L (20 ) μ L ( H) 1.2 ℃ △T L (105 ) △T (℃) 1. CDH25D11DHF-1R0NC-H μ L ( H) 60 1.8 1.0 50 0.8 △T (℃) 2. CDH25D11DHF-1R5NC-H μ L ( H) △T (℃) 3. CDH25D11DHF-2R2MC-H 60 2.4 1.5 50 2.0 50 40 1.2 40 1.6 40 0.6 30 0.9 30 1.2 30 0.4 20 0.6 20 0.8 20 0.2 10 0.3 10 0.4 10 0.0 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A) μ L ( H) △T (℃) 4. CDH25D11DHF-3R3MC-H 3.6 0.0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) μ L ( H) 60 6 3.0 50 2.4 △T (℃) 5. CDH25D11DHF-4R7MC-H 60 0.0 0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A) μ L ( H) △T (℃) 6. CDH25D11DHF-6R8MC-H 60 9.0 5 50 7.5 50 40 4 40 6.0 40 1.8 30 3 30 4.5 30 1.2 20 2 20 3.0 20 0.6 10 1 10 1.5 10 0 0 0.0 0 0.0 0.0 0.0 0.0 μ L ( H) 12 0.4 0.8 DC (A) 1.2 1.6 △T (℃) 0.6 0.9 DC (A) 1.2 1.5 0 0.2 0.4 0.6 0.8 7. CDH25D11DHF-100MC-H 60 10 50 8 40 6 30 4 20 2 10 0 0.0 0.3 60 0 0.2 0.4 0.6 DC (A) 0.8 1.0 Page 2 of 3 Revised: 8-Sep-11 1.0 SMD Power Inductor CDH25D11D 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: 8-Sep-11