SMD Power Inductor CDRH8D38 Description • Ferrite drum core construction. • Magnetically shielded. • L W H: 8.3 8.3 4.0 mm Max. • Product weight:0.9 g(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 ② ① 3.8 8.0 ±0.3 × × 6.3 5 . 2 1.2 Packaging • Carrier tape and reel packaging • 13.0”diameter reel • 1000pcs per reel MAX.4.0 Applications • Ideally used in PDA ,HDD,DSC/DVC, etc as DC-DC converter inductors. Land pattern and Schematics - [mm] 8 . 2 2.0 6.1 10.1 1 (1.8 2 μH～10μH) 1 (15 2 μH～100μH ) Page 1 of 4 Revised: 7-Jan-14 SMD Power Inductor CDRH8D38 Electrical Characteristics Part Name Stamp Saturation Current （A）※2 Inductance （μH） [within] ※1 D.C.R. (mΩ) Max. (Typ.) (at 20℃) (at20℃) (at105℃) Temperature Rise Current (A) ※3 CDRH8D38NP－1R8NC 1R8 1.8μH±30％ 15.6(12.5) 7.00 6.20 6.80 CDRH8D38NP－2R5NC 2R5 2.5μH±30％ 17.5(14) 6.50 5.50 6.00 CDRH8D38NP－3R5NC 3R5 3.5μH±30％ 24(19) 5.00 4.40 5.20 CDRH8D38NP－4R7NC 4R7 4.7μH±30％ 29(23) 4.60 4.00 4.40 CDRH8D38NP－6R0NC 6R0 6.0μH±30％ 32(25) 4.20 3.50 4.00 CDRH8D38NP－100NC 100 10μH±30％ 48(38) 3.00 2.60 3.20 CDRH8D38NP－150NC 150 15μH±30％ 67(53) 2.75 2.30 2.50 CDRH8D38NP－220NC 220 22μH±30％ 105(84) 2.30 1.88 2.00 CDRH8D38NP－330NC 330 33μH±30％ 157(125) 1.75 1.52 1.60 CDRH8D38NP－470NC 470 47μH±30％ 189(151) 1.52 1.28 1.42 CDRH8D38NP－680NC 680 68μH±30％ 290(232) 1.30 1.10 1.08 CDRH8D38NP－101NC 101 100μH±30％ 410(328) 1.05 0.88 0.88 ※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 2 of 4 Revised: 7-Jan-14 SMD Power Inductor CDRH8D38 Saturation Current & Temperature Rise Graph ℃ L (20 ) μ ℃ △T L (100 ) △T (℃) 1. CDRH8D38NP-1R8NC L ( H) μ △T (℃) 2. CDRH8D38NP-2R5NC L ( H) 60 3.0 2.0 50 1.6 μ L ( H) 3. CDRH8D38NP-3R5NC △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 0 0.0 0 2.4 0 2 4 6 DC (A) 8 0 10 μ △T (℃) 4. CDRH8D38NP-4R7NC L ( H) 6 2 μ 4 DC (A) 6 8 60 9.0 5 50 4 0 △T (℃) 5. CDRH8D38NP-6R0NC L ( H) 60 μ L ( H) 2 4 DC (A) 6 8 6. CDRH8D38NP-100NC △T (℃) 60 12 7.5 50 10 50 40 6.0 40 8 40 3 30 4.5 30 6 30 2 20 3.0 20 4 20 1 10 1.5 10 2 10 0 0 0.0 0 0 0 0 1 μ 2 3 DC (A) 4 5 7. CDRH8D38NP-150NC L ( H) 6 △T (℃) 0 1 2 3 4 DC (A) μ 5 8. CDRH8D38NP-220NC L ( H) 6 60 0 △T (℃) μ L ( H) 1 2 3 DC (A) 4 9. CDRH8D38NP-330NC 5 △T (℃) 60 48 25 50 40 50 40 20 40 32 40 9 30 15 30 24 30 6 20 10 20 16 20 3 10 5 10 8 10 0 0 0 0 18 60 30 15 50 12 0 0.0 0.6 1.2 1.8 2.4 3.0 3.6 DC (A) μ 10. CDRH8D38NP-470NC L ( H) 0.0 △T (℃) 0.6 1.2 1.8 DC (A) μ 2.4 11. CDRH8D38NP-680NC L ( H) 3.0 △T (℃) 60 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) μ L ( H) 12. CDRH8D38NP-101NC △T (℃) 60 120 75 50 100 50 40 60 40 80 40 30 30 45 30 60 30 20 20 30 20 40 20 10 10 15 10 20 10 0 0 0 0 0 0 60 60 90 50 50 40 0.0 0.4 0.8 1.2 DC (A) 1.6 2.0 0.0 0.4 0.8 DC (A) 1.2 Page 3 of 4 1.6 0.0 60 0.3 0.6 0.9 DC (A) 1.2 Revised: 7-Jan-14 1.5 SMD Power Inductor CDRH8D38 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 4 of 4 Revised: 7-Jan-14