1.40.2 Power Inductors <SMD Type: CDRH Series> Type: CDRH4D28 , CDRH4D28C , CDRH4D28C/LD Product Description 5.05.0mm Max.(LW), 3.0mm Max. Height.(CDRH4D28) 5.15.1mm Max.(LW), 3.0mm Max. Height.(CDRH4D28C,CDRH4D28C/LD) Standard type CDRH4D28, CDRH4D28C and Low DCR type CDRH4D28C/LD are available. Inductance range:1.2180H(CDRH4D28) 1.1100H(CDRH4D28C) 1.0100H(CDRH4D28C /LD) Rated current range:0.222.56A(CDRH4D28) 0.43.8A(CDRH4D28C) 0.33.0A (CDRH4D28C /LD) In addition to the standards versions shown here, custom inductors are also available to meet your exact requirements. Feature Magnetically shielded construction. Ideally used in Mobile phone,PDA,MP3,HDD,DSC/DVC,Note book PC,etc as DC-DC Converter inductors. RoHS Compliance. Dimensions (mm) 4.5 (2.8) 4.70.3 CDRH4D28 3.0 Max. Electrode terminal 0.2 3.0 Max. 4.9 CDRH4D28C, CDRH4D28C/LD Please refer to the sales offices on our website for a representative near you www.sumida.com 1/3 4.40 .3 6.2 Max. 6.9 Max. 4.70.3 4.90.2 4.5 1.56.5 4.0 Power Inductors <SMD Type: CDRH Series> Type: CDRH4D28 , CDRH4D28C , CDRH4D28C/LD Land Pattern (mm) 5.3 CDRH4D28 CDRH4D28C,CDRH4D28C/LD Specification(CDRH4D28) Inductance D.C.R.() Part No. Rated Stamp (H) Max.(Typ.) Current (A)1-1 100kHz/1V ( 20) CDRH4D28NP-1R2N 1R2 1.230% 23.6m(17.5m) 2.56 CDRH4D28NP-1R8N 1R8 1.830% 27.5m(20.4m) 2.20 CDRH4D28NP-2R2N 2R2 2.230% 31.3m(23.2m) 2.04 CDRH4D28NP-2R7N 2R7 2.730% 43.3m(32.1m) 1.60 CDRH4D28NP-3R3N 3R3 3.330% 49.2m(36.4m) 1.57 CDRH4D28NP-3R9N 3R9 3.930% 64.8m(48.0m) 1.44 CDRH4D28NP-4R7N 4R7 4.730% 72.0m(53.3m) 1.32 CDRH4D28NP-5R6N 5R6 5.630% 100.9m(74.7m) 1.17 CDRH4D28NP-6R8N 6R8 6.830% 108.9m(80.7m) 1.12 CDRH4D28NP-8R2N 8R2 8.230% 117.5m(87.0m) 1.04 CDRH4D28NP-100N 100 1030% 128.3m(95.0m) 1.00 CDRH4D28NP-120N 120 1230% 131.6m(97.5m) 0.84 CDRH4D28NP-150N 150 1530% 149.0m(110.4m) 0.76 CDRH4D28NP-180N 180 1830% 166.0m(123.0m) 0.72 CDRH4D28NP-220N 220 2230% 235.0m(174.5m) 0.70 CDRH4D28NP-270N 270 2730% 261.0m(193.3m) 0.58 CDRH4D28NP-330N 330 3330% 331.3m(254.8m) 0.56 CDRH4D28NP-390N 390 3930% 383.7m(284.2m) 0.50 CDRH4D28NP-470N 470 4730% 587.0m(435.0m) 0.48 CDRH4D28NP-560N 560 5630% 624.5m(462.6m) 0.41 CDRH4D28NP-680N 680 6830% 699.0m(517.8m) 0.35 CDRH4D28NP-820N 820 8230% 914.8m(677.6m) 0.32 CDRH4D28NP-101N 101 10030% 1.02(765.8m) 0.29 CDRH4D28NP-121N 121 12030% 1.27(976.8m) 0.27 CDRH4D28NP-151N 151 15030% 1.35(1.08) 0.24 CDRH4D28NP-181N 181 18030% 1.54(1.23) 0.22 1-1. Rated current: The DC current at which the inductance decreases to 65% of its nominal value or when t=40, whichever is lower(Ta=20). Please refer to the sales offices on our website for a representative near you www.sumida.com 2/3 2.0 45 1.9 1.5 1.9