SMD Power Inductor CDRH8D28HP Description • Ferrite drum core construction. • Magnetically shielded. • L W H:8.3 8.3 3.0 mm Max. • Product weight: 0.57g(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free Environmental Data • Operating temperature range: -40 ~+100 (including coil’s self temperature rise) +100 • Storage temperature range: -40 • Solder reflow temperature: 260 peak. ℃ ℃～ ℃ Dimension - [mm] 3 . 0 ± 0 . 8 5 . 2 （2 .8 ） 8 .0 ± 0. 3 ℃ ℃ Packaging • Carrier tape and reel packaging • 12.9”diameter reel • 1000pcs per reel 1 .2 6 .3 MAX 3.0 × × Land pattern and Schematics - [mm] 8 . 2 6. 1 1 2 1 Applications • Ideally used in Notebook PC, Game machine, HDD, DVC, LCD TV etc as DC-DC converter inductors. 2 2 .0 10 .1 （3.3μH～7.3μH） （10μH～68μH） Electrical Characteristics Part Name Stamp CDRH8D28HPNP-3R3NC 3R3H CDRH8D28HPNP-4R7NC 4R7H CDRH8D28HPNP-7R3NC 7R3H CDRH8D28HPNP-100NC 100H CDRH8D28HPNP-150NC 150H CDRH8D28HPNP-220NC 220H CDRH8D28HPNP-330NC 330H CDRH8D28HPNP-470NC 470H CDRH8D28HPNP-680NC 680H μ ※ 3.3±30% 4.7±30% 7.3±30% 10±30% 15±30% 22±30% 33±30% 47±30% 68±30% Inductance ( H) [ within ] 1 Ω ℃ D.C.R. (m ) Max. (Typ.) (at 20 ) ※ Saturation Current (A) 2 ℃ at 20 ℃ at 100 Temperature Rise Current (A) 3 ※ 35(27) 6.50 4.60 3.80 40(31) 4.50 3.60 3.60 66(51) 4.00 3.10 2.40 78(60) 3.40 2.50 2.10 125(96) 2.80 2.30 1.70 182(140) 2.50 1.90 1.35 286(220) 1.90 1.60 1.10 345(265) 1.60 1.36 1.00 520(400) 1.30 1.10 0.80 ※1. Inductance measuring conditions at 100kHz. ※2. Saturation current: The DC current at which the inductance decreases to 65% of its nominal value. ※3. Temperature rise current: The DC current at which the temperature rise is △t＝40℃.(Ta＝20℃) Page 1 of 3 Revised: 7-Jan-14 SMD Power Inductor CDRH8D28HP Saturation Current & Temperature Rise Graph L (20℃) μ 1. CDRH8D28HPNP-3R3NC L ( H) 6 △T (℃) △T L (100℃) μ 2. CDRH8D28HPNP-4R7NC L ( H) 60 6 5 50 4 △T (℃) μ 3. CDRH8D28HPNP-7R3NC L ( H) △T (℃) 60 12 5 50 10 50 40 4 40 8 40 3 30 3 30 6 30 2 20 2 20 4 20 1 10 1 10 2 10 0 0 0 0 0 0 2 4 DC (A) 6 μ 4. CDRH8D28HPNP-100NC L ( H) 12 8 0 △T (℃) 1 2 3 4 DC (A) 5 μ 5. CDRH8D28HPNP-150NC L ( H) 60 18 10 50 8 60 0 6 0 △T (℃) 1 2 3 DC (A) 4 μ 6. CDRH8D28HPNP-220NC L ( H) 5 △T (℃) 60 30 15 50 25 50 40 12 40 20 40 6 30 9 30 15 30 4 20 6 20 10 20 2 10 3 10 5 10 0 0 0 0 0 0 0 μ 1 2 DC (A) 3 7. CDRH8D28HPNP-330NC L ( H) 48 4 0.0 △T (℃) μ 0.8 1.6 2.4 DC (A) 8. CDRH8D28HPNP-470NC L ( H) 60 60 40 50 32 3.2 0.0 △T (℃) 60 0.5 μ 1.0 1.5 DC (A) 2.0 9. CDRH8D28HPNP-680NC L ( H) 2.5 △T (℃) 60 90 50 50 75 50 40 40 40 60 40 24 30 30 30 45 30 16 20 20 20 30 20 8 10 10 10 15 10 0 0 0 0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) 0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A) Page 2 of 3 60 0 0.0 0.4 0.8 1.2 DC (A) Revised: 7-Jan-14 1.6 SMD Power Inductor CDRH8D28HP 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