SMD Power Inductor CDRH40D18R Description • Ferrite drum core construction. • Magnetically shielded. • L W H:4.2 4.2 2.0mm Max. • Product weight: 110mg (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] Packaging • Carrier tape and reel packaging • 13” diameter reel • 3000pcs per reel Applications • Ideally used in Mobile phone,PDA,MP3,HDD, DSC/DVC, Note book PC ,etc as DC-DC converter power supply. Land pattern and Schematics - [mm] 1.6 1.3 1.6 9 . 3 4.5 Page 1 of 4 Revised: 27-Mar-14 SMD Power Inductor CDRH40D18R Electrical Characteristics Part name Stamp CDRH40D18RHF-1R8NC D CDRH40D18RHF-2R2NC E CDRH40D18RHF-3R3NC G CDRH40D18RHF-4R7NC J CDRH40D18RHF-6R8NC L CDRH40D18RHF-100MC N CDRH40D18RHF-150MC Q CDRH40D18RHF-220MC S CDRH40D18RHF-270MC T CDRH40D18RHF-330MC U Inductance [ H] 1 Within ] μ ※ ［ 1.8±30％ 2.2±30％ 3.3±30％ 4.7±30％ 6.8±30％ 10±20％ 15±20％ 22±20％ 27±20％ 33±20％ Ω ℃ D.C.R. (m ) Max.] (Typ.) (at 20 ) ［ Saturation Current (A) 2 ℃) (at 20 ※ ℃) (at 105 Temperature Rise Current (A) 3 ※ 48.4(38.7) 2.10 1.80 2.60 55.4(44.3) 1.80 1.50 2.40 79.5(63.6) 1.45 1.25 2.00 99.5(79.6) 1.25 1.00 1.70 144(120) 1.00 0.85 1.35 185(154) 0.85 0.70 1.25 306(255) 0.70 0.60 0.90 443(369) 0.60 0.50 0.73 588(490) 0.50 0.43 0.62 671(559) 0.45 0.40 0.55 ※1 Inductance measuring condition at 100kHz . ※2 Saturation current: The value of DC current when the inductance decreases to 70% of its nominal. ※3 Temperature rise current: The value of DC current when the temperature rise is △T＝40℃(Ta＝20℃). Page 2 of 4 Revised: 27-Mar-14 SMD Power Inductor CDRH40D18R Saturation Current & Temperature Rise Graph ℃ L (20 ) μ L ( H) 2.4 ℃ △T L (105 ) △T (℃) 1. CDRH40D18RHF-1R8NC μ L ( H) 60 3.0 2.0 50 1.6 △T (℃) 2. CDRH40D18RHF-2R2NC μ L ( H) △T (℃) 3. CDRH40D18RHF-3R3NC 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 0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A) μ L ( H) 6 △T (℃) 4. CDRH40D18RHF-4R7NC 0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A) μ L ( H) 60 9.0 5 50 4 △T (℃) 5. CDRH40D18RHF-6R8NC 60 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) μ L ( H) 6. CDRH40D18RHF-100MC △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 0.3 0.6 0.9 1.2 1.5 1.8 DC (A) μ L ( H) 0.0 △T (℃) 7. CDRH40D18RHF-150MC 18 μ L ( H) 60 30 15 50 12 0.3 0.6 0.9 DC (A) 1.2 1.5 0 0.0 △T (℃) 8. CDRH40D18RHF-220MC 60 μ L ( H) 0.3 0.6 0.9 DC (A) 1.2 9. CDRH40D18RHF-270MC 1.5 △T (℃) 60 36 25 50 30 50 40 20 40 24 40 9 30 15 30 18 30 6 20 10 20 12 20 3 10 5 10 6 10 0 0 0 0 0 0.0 μ L ( H) 48 0.2 0.4 0.6 DC (A) 0.8 1.0 0.0 △ T (℃) 0.2 0.4 0.6 DC (A) 0.8 60 0 0.0 0.2 0.4 0.6 DC (A) 10. CDRH40D18RHF-330MC 60 40 50 32 40 24 30 16 20 8 10 0 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 DC (A) Page 3 of 4 Revised: 27-Mar-14 0.8 SMD Power Inductor CDRH40D18R 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: 27-Mar-14