SMD Power Inductor CDBH128 Description • Ferrite core construction. • Magnetically shielded. • L W H: 13.0 12.8 8.0mm Max. • Product weight: 5.4g(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free Dimension - [mm] 12.8 Max. 8.0 Max. 4.0±0.2 .x aM 0. 31 5 . 0 ± 0 . 3 ) 7 . 6 ( 5 . 0 ± 0 . 3 Environmental Data • Operating temperature range: -40 +125 (including coil’s self temperature rise) +125 • Storage temperature range: -40 • Solder reflow temperature: 260 peak. ℃～ ℃ ℃～ ℃ ℃ Packaging • Carrier tape and reel packaging. • 11.8”diameter reel • 250pcs per reel Applications • Ideally used in the multiple chopper type DCDC converters for servers and various decentralized power supplier. Land pattern and Schematics - [mm] 5.0 0. 5 × × 0. 61 Solder Resist Electrical Characteristics Part No. Stamp CDBH128NP-R22MC R22 CDBH128NP-R36MC R36 CDBH128NP-R45MC R45 μ ※ 0.22±20％ 0.36±20％ 0.45±20％ Inductance ( H) [within] 1 Ω ℃ D.C.R. (m ) [Max.] (Typ.) (at 20 ) Saturation current 2 （Ａ）※ (at 20℃) (at 125℃) Temperature rise current ( ) 3 Ａ※ 0.5(0.25) 52 40 54 0.5(0.25) 33 24 54 0.5(0.25) 23 18 54 ※1. Measuring condition: at 100kHz. ※2. Saturation current: The value of D.C. current when the inductance decreases to 75% 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 2 Revised: 10-Dec-13 SMD Power Inductor CDBH128 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ ℃ △T L (125 ) 60 0.6 μ △T (℃) 0.5 50 0.5 50 40 0.4 40 0.4 40 0.15 30 0.3 30 0.3 30 0.10 20 0.2 20 0.2 20 0.05 10 0.1 10 0.1 10 0.00 0 0.0 0 0.0 0 1. CDBH128NP-R22MC L ( H) 0.30 △T (℃) μ 60 0.6 0.25 50 0.20 0 20 40 DC (A) 60 △T (℃) 2. CDBH128NP-R36MC L ( H) 80 0 10 20 30 40 DC (A) 50 3. CDBH128NP-R45MC L ( H) 60 60 0 10 20 30 40 DC (A) 50 60 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 2 of 2 Revised: 10-Dec-13