SHIELDED SMT POWER INDUCTORS SMTDRRI 4D18/4D28/5D18/5D28/6D28/6D38 TYPE Shape and size : ( Dimensions are in mm ) Features : Ordering information : Small size with the electrode attached to the SMT DRRI5D28 - 220 N ferrite core directly. (1) (2) (3) (4) Available in magnetically shielded. (1) Type : Surface Mountable Type. Low DC resistance. (2) Style : DR Core with RI core. Suitable for large currents. 5D is 5.7mm square and 28 is about 2.8mm height. Available on tape and reel for auto surface (3)Inductance : 220 for 22 uH. mounting. (4)Inductance tolerance : N : 30%. Inductance and rated current ranges : Characteristics : SMTDRRI4D18 1.0~39 uH 1.72~0.30A Rated DC Current: It is either the inductance is 35% lower SMTDRRI4D28 1.2~180uH 2.56~0.22A than its initial value in D.C. saturation characteristics or SMTDRRI5D18 4.1~100uH 1.95~0.36A temperature raise becomes T=40 (Ta=20), whichever is lower. SMTDRRI5D28 2.6~100uH 2.60~0.42A Operating temperature : -30 to 105 . SMTDRRI6D28 3.0~100uH 3.00~0.54A Applications : SMTDRRI6D38 3.3~100uH 3.50~0.65A Power supply for VTRs. OA equipment . Test equipments : LCD televisions. L tested by Agilent 4284A Precision LCR meter. Notebook PCs. DCR tested by Milli-ohm meter. Portable communication equipment. Electrical specifications at 25. DC/DC converters, DSC, DVC ,MP3,PDA products. 20.1 SHIELDED SMT POWER INDUCTORS SMTDRRI 4D18/4D28/5D18/5D28/6D28/6D38 TYPE Part No. L (H) 4D18 DC Resistance 1R0N 1.0 45 1R2N 1.2 23.6 2.56 1R8N 1.8 27.5 2.20 2R2N 2.2 2R6N 2.6 2R7N 2.7 3R0N 3.0 3R3N 3.3 110 49.2 3R9N 3.9 155 64.8 4R1N 4.1 4R2N 4.2 4R7N 4.7 5R0N 5.0 5R3N 5.3 5R4N 5.4 5R6N 5.6 6R0N 6.0 6R2N 6.2 6R8N 6.8 7R3N 7.3 7R4N 7.4 8R2N 8.2 8R6N 8.6 8R7N 8.7 8R9N 8.9 100N 10 200 128.3 124 65 65 38 0.61 1.00 1.20 1.30 1.70 2.00 120N 12 210 131.6 153 76 70 53 0.56 0.84 1.10 1.20 1.55 1.70 150N 15 240 149.0 196 103 84 57 0.50 0.76 0.97 1.10 1.40 1.60 180N 18 338 166.0 210 110 95 92 0.48 0.72 0.85 1.00 1.32 1.50 220N 22 397 235.0 290 122 128 96 0.41 0.70 0.80 0.90 1.20 1.30 270N 27 441 261.0 330 175 142 109 0.35 0.58 0.75 0.85 1.05 1.20 330N 33 694 378.0 386 189 165 124 0.32 0.56 0.65 0.75 0.97 1.10 390N 39 709 383.7 520 212 210 138 0.30 0.50 0.57 0.70 0.86 1.00 470N 47 587.0 595 260 238 155 0.48 0.54 0.62 0.80 0.95 560N 680N 820N 56 68 82 624.5 699.0 914.8 665 840 978 305 355 463 277 304 390 202 234 324 0.41 0.35 0.32 0.50 0.43 0.41 0.58 0.52 0.73 0.65 0.60 0.85 0.75 0.70 101N 100 1020 1200 520 535 358 0.29 0.36 0.42 0.54 0.65 121N 120 1270 0.27 151N 150 1350 0.24 75 4D28 5D18 (mOHM )Max. 5D28 6D28 Rated DC Current ( Amp )Max. 6D38 4D18 4D28 5D18 31.3 1.32 2.04 1.28 1.60 24 2.40 20 27 1.04 1.57 0.88 1.44 57 2.60 1.95 2.20 72.0 0.84 31 1.32 24 2.40 38 1.60 100.9 0.80 1.17 35 200 45 2.25 27 108.9 1.40 0.76 1.80 2.4 1.12 54 2.10 31 245 117.5 2.90 1.90 76 96 3.00 3.50 31 170 6D38 2.60 43.3 24 162 6D28 1.72 18 105 5D28 53 2.30 0.68 1.04 1.60 58 1.85 34 2.20 116 1.25 181N 180 0.22 1540 Measuring Freq.: 4D18 / 4D28 :100kHz 0.1V; 5D18 / 5D28 / 6D28 / 6D38 :10kHz 0.1V; N : 30% 20.2