SMD Power Inductor CDRH3D28 Description • Ferrite drum core construction. • Magnetically shielded. • L W H:4.0 4.0 3.0 mm Max. • Product weight:130m g (Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. RoHS × × Dimension - [mm] 2.0 ± 8.3 ※ .8 φ2 (2.8) ※3.8±0.2 MAX.3.0 Environmental Data • Operating temperature range: -40 ~+105 (including coil’s self temperature rise) • Storage temperature range: -40 +105 • Solder reflow temperature: 260 peak. ℃ ℃～ ℃ 1. 1± 0. 2 0.2 ± 4 4. ELECTRODE Land pattern and Schematics - [mm] 5 1. 2. 4 1 5. 2 1. 4 1 2 × × ℃ ℃ Packaging • Carrier tape and reel packaging • 7.0”diameter reel • 500pcs per reel Applications • Ideally used in Mobilephone,PDA,MP3, DSC/DVC, Portable DVD, etc as DC-DC converter inductors. 2 μ ～15.0μH) (3.3 H (22.0 μH～47.0μH) Electrical Characteristics Part Name Stamp CDRH3D28NP-3R3NC A CDRH3D28NP-4R7NC B CDRH3D28NP-6R8NC C CDRH3D28NP-100NC D CDRH3D28NP-150NC E CDRH3D28NP-220NC F CDRH3D28NP-330NC G CDRH3D28NP-470NC H μ [within]※1 3.3±30％ 4.7±30％ 6.8±30％ 10±30％ 15±30％ 22±30％ 33±30％ 47±30％ Inductance ( H) Ω ℃ D.C.R. (m ) Max. (Typ.) (at 20 ) （ ）※ at 20℃ at 100℃ Saturation Current A 2 Temperature Rise Current (A) 3 ※ 72.1(57.7) 2.00 1.48 1.85 88.3(70.6) 1.65 1.28 1.62 119(95.0) 1.24 0.94 1.32 145(116) 1.05 0.80 1.18 213(170) 0.90 0.64 1.02 335(268) 0.76 0.55 0.74 481(385) 0.58 0.44 0.63 599(479) 0.48 0.36 0.56 ※1. Inductance measuring condition: at 100kHz. ※2. Saturation current: The value of D.C. current when the inductance decreases to 65% 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: 7-Jan-14 SMD Power Inductor CDRH3D28 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ 1. CDRH3D28NP-3R3NC L ( H) 3.6 ℃ △T L (100 ) △T (℃) μ 2. CDRH3D28NP-4R7NC L ( H) 60 6 3.0 50 2.4 △T (℃) μ 3. CDRH3D28NP-6R8NC L ( H) △T (℃) 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 0.5 1.0 1.5 DC (A) 2.0 μ 4. CDRH3D28NP-100NC L ( H) 12 2.5 0.0 △T (℃) 0.4 0.8 1.2 DC (A) 1.6 μ 5. CDRH3D28NP-150NC L ( H) 60 18 10 50 8 2.0 60 0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A) △T (℃) μ 6. CDRH3D28NP-220NC L ( H) △T (℃) 60 24 15 50 20 50 40 12 40 16 40 6 30 9 30 12 30 4 20 6 20 8 20 2 10 3 10 4 10 0 0 0 0 0 0.0 0.4 μ 0.8 1.2 DC (A) 7. CDRH3D28NP-330NC L ( H) 36 1.6 △T (℃) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A) μ 8. CDRH3D28NP-470NC L ( H) △T (℃) 60 30 50 50 50 24 40 40 40 18 30 30 30 12 20 20 20 6 10 10 10 0 0 0 0.0 0.2 0.4 0.6 DC (A) 0.8 1.0 0 0.0 60 60 0.2 0.4 0.6 DC (A) 0.8 60 0 0.0 0.2 0.4 0.6 DC (A) Page 2 of 3 0.8 Revised: 7-Jan-14 1.0 SMD Power Inductor CDRH3D28 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 3 of 3 Revised: 7-Jan-14