SMD Power Inductor CDRCH12D78B Description • Ferrite drum core construction. • Magnetically shielded. • L W H:12.5 12.5 x8.0 mm Max. • Product weight: 4.1g(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. RoHS × × Halogen Free Dimension - [mm] 12.2±0.3 Max.8.0 5.0 57 . 2 3 . 0 ± 2 . 2 1 5 . 6 57 . 2 1.6 ① ②S ④ ③ μ ~22μH) (4.7 H Environmental Data • Operating temperature range: -40 ~+125 (including coil’s self temperature rise) • Storage temperature range: -40 +105 • Solder reflow temperature: 260 peak. ℃ ℃~ ℃ Packaging • Carrier tape and reel packaging. 1.7 Applications • Ideally used in LED modules, DC/DC converters and 1:1 Transformer, etc. Land pattern and Schematics - [mm] S × S ① ②S ④ ③ μ ~470μH) (33 H Page 1 of 4 Revised: 1-Jun-11 ℃ ℃ SMD Power Inductor CDRCH12D78B Electrical Characteristics Stamp Inductance(μH) [within] ※1 D.C.R.(Ω) [Max.] ※2 SaturationCurrent (A) (at 20℃) ※3 Temperature rise current (A) ※4 CDRCH12D78BHF-4R7NC 4R7 4.7±30% 40m(30m) 13.2(15.6) 3.9(4.4) CDRCH12D78BHF-6R8NC 6R8 6.8±30% 46m(36m) 12.0(14.2) 3.6(4.1) CDRCH12D78BHF-100MC 100 10±20% 54m(42m) 10.0(11.8) 3.2(3.6) CDRCH12D78BHF-150MC 150 15±20% 72m(58m) 8.2(9.7) 2.8(3.2) CDRCH12D78BHF-220MC 220 22±20% 96m(80m) 7.0(8.2) 2.3(2.6) CDRCH12D78BHF-330MC 330 33±20% 144m(120m) 5.5(6.5) 1.8(2.1) CDRCH12D78BHF-470MC 470 47±20% 186m(155m) 4.6(5.5) 1.5(1.7) CDRCH12D78BHF-680MC 680 68±20% 266m(222m) 3.9(4.6) 1.3(1.5) CDRCH12D78BHF-101MC 101 100±20% 384m(320m) 3.1(3.7) 1.10(1.25) CDRCH12D78BHF-151MC 151 150±20% 648m(540m) 2.5(3.0) 0.83(0.95) CDRCH12D78BHF-221MC 221 220±20% 936m(780m) 2.1(2.5) 0.68(0.78) CDRCH12D78BHF-331MC 331 330±20% 1.35(1.17) 1.7(2.1) 0.56(0.64) CDRCH12D78BHF-471MC 471 470±20% 2.01(1.75) 1.5(1.75) 0.45(0.52) Part Name ※1 Measuring frequency inductance at 100 kHz. ※2 ( ) are typical value. ※3 Saturation current: The value of D.C. current when the inductance is over 70% of the initial value. ※4 Temperature rise current: The value of D.C. current when the temperature rise is △t=40℃.(Ta=20℃) Page 2 of 4 Revised: 1-Jun-11 SMD Power Inductor CDRCH12D78B Saturation Current & Temperature Rise Graph L (20 L( ℃) μH)1. CDRCH12D78BHF-4R7NC△T (℃) △T L( μH)2. CDRCH12D78BHF-6R8NC△T (℃) L( μH)3. CDRCH12D78BHF-100MC△T (℃) 6 60 9.0 60 12 60 5 50 7.5 50 10 50 4 40 6.0 40 8 40 3 30 4.5 30 6 30 2 20 1 10 3.0 20 4 20 0 0 1.5 10 2 10 0 0 0 3 6 9 12 15 18 0.0 0 3 6 DC (A) L( 9 12 15 0 18 0 2 4 DC (A) μH)4. CDRCH12D78BHF-150MC△T (℃) 8 10 12 DC (A) μH)5. CDRCH12D78BHF-220MC△T (℃) μH)6. CDRCH12D78BHF-330MC△T (℃) 60 L( 36 20 50 30 50 40 16 40 24 40 9 30 12 30 18 30 6 20 8 20 12 20 3 10 4 10 6 10 0 0 0 0 0 18 L( 6 60 24 15 50 12 0 2 4 6 8 10 12 0 2 4 DC (A) L( 60 6 8 10 60 0 0.0 12 1.5 3.0 DC (A) μH)7. CDRH10D38DHPNP-470MC△T (℃) 60 L( 90 50 50 40 4.5 6.0 7.5 9.0 DC (A) μH)8. CDRH10D38DHPNP-680MC△T (℃) μH)9. CDRH10D38DHPNP-101MC△T (℃) 60 L( 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 1 2 3 4 5 0.0 6 1.0 DC (A) L( 180 2.0 3.0 4.0 5.0 6.0 60 0 0.0 0.8 1.6 2.4 3.2 4.0 4.8 DC (A) μH)10. CDRCH12D78BHF-151MC△T (℃) 60 L( 240 150 50 120 DC (A) μH)11. CDRCH12D78BHF-221MC△T (℃) μH)12. CDRCH12D78BHF-331MC△T (℃) 60 L( 360 200 50 300 50 40 160 40 240 40 90 30 120 30 180 30 60 20 80 20 120 20 30 10 40 10 60 10 0 0 0 0 0 0 0.0 0.6 1.2 1.8 2.4 DC (A) 3.0 3.6 0.0 0.6 1.2 1.8 2.4 DC (A) Page 3 of 4 3.0 3.6 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A) Revised: 1-Jun-11 SMD Power Inductor CDRCH12D78B Saturation Current & Temperature Rise Graph L (20 μ L ( H) 480 ℃) △T △T (℃) 13. CDRCH12D78BHF-471MC 60 400 50 320 40 240 30 160 20 80 10 0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 DC (A) Solder Reflow Condition T (℃) 300 250 Heat Endurance 260℃ 230℃ 200 0 60 120 180 240 245℃ PEAK 230 150 60 100 Temperature Chart 200 10 150 50 0 T (℃) 300 250 170 100 300 T (s) 40s ±10 ℃,60~120s ℃ 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.+852-2880-6688 FAX.+852-2565-9600 [email protected] Tel.+86-021-5836-3299 FAX.+86-021-5836-3266 [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] Tokyo Seoul Singapore San Jose Tel.+81-3-5202-7112 FAX.+81-3-5202-7105 [email protected] Tel.+82-2-6237-0777 FAX.+82-2-6237-0778 [email protected] Tel.+65-6296-3388 FAX.+65-6296-3390 [email protected] Tel.+1-408-3219660 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: 1-Jun-11