SMT POWER INDUCTORS SMTDR 32/ 43/ 52/ 53/ 54/ 73/ 75/ 104/ 105 TYPE Shape and Size : (Dimensions are in mm) Features : Ordering Information : Silver Plated Type, Low cost design. High power, High saturation inductors. SMT DR105 - 331 K (1) (2) (3) (4) Ideal inductors for DC-DC conversion. (1)Type : Surface Mountable Type . Available on tape and reel for auto surface (2)Style : DR Core : OD=10mm, HT=5.4mm. mounting. (3)Inductance : 331 for 330 uH. (4)Inductance tolerance : "M": 20%; "L": 15%; "K": 10% Inductance and rated current ranges : Characteristics : SMTDR32 1.0 ~ 330uH 2.2 ~ 0.12A Rated DC current : obtained when the inductance is SMTDR43 1.0 ~ 68uH 2.56 ~ 0.37A SMTDR52 1.2 ~ 470uH 3.5 ~ 0.16A SMTDR53 1.0 ~ 470uH 4.5 ~ 0.20A SMTDR54 10 ~ 220uH 1.44 ~ 0.35A SMTDR73 10 ~ 330uH 1.44 ~ 0.28A Applications : SMTDR75 10 ~ 470uH 2.30 ~ 0.34A Power supply for VTRs. SMTDR104 10 ~ 560uH 2.38 ~ 0.32A LCD televisions. SMTDR105 10 ~ 820uH 2.60 ~ 0.24A Notebook PCs. Test equipments : L : HP4284A or HP4285A LCR meter. 90% more than its initial value and temperature rise t =40 lower. Operating temperature : -20 to 80 . Portable communication equipment. DC/DC converters,etc. DCR tested by Milli-ohm meter. Electrical specifications at 25. 6.1 SMT POWER INDUCTORS SMTDR 32 / 43 / 52 / 53 / 54 TYPE Part No. L (H) DR32 0.045 0.050 DC resistance (Ohm) Max DR43 DR52 DR53 0.0487 0.03 0.050 0.03 0.0562 0.060 0.03 0.0637 0.065 0.03 0.0712 0.07 0.03 0.0787 0.08 0.04 0.0862 0.10 0.05 0.0937 0.12 0.06 0.1087 0.14 0.07 0.1257 0.15 0.08 0.1312 0.16 0.09 0.1462 0.17 0.10 0.182 0.20 0.13 0.210 0.23 0.16 0.235 0.25 0.19 0.338 0.30 0.21 0.378 0.35 0.28 0.522 0.40 0.32 0.540 0.50 0.38 0.587 0.55 0.42 0.844 0.65 0.52 0.937 0.75 0.50 1.117 0.95 0.68 1.20 0.82 1.40 1.10 1.75 1.20 2.00 1.50 2.60 1.80 3.00 2.00 3.70 2.90 4.30 3.30 6.00 3.70 6.70 4.90 DR54 1R0 1.0 1R2 1.2 1R4 1.4 1R5 1.5 0.055 1R8 1.8 0.070 2R2 2.2 0.085 2R7 2.7 0.100 3R3 3.3 0.120 3R9 3.9 0.125 4R7 4.7 0.135 5R6 5.6 0.145 6R8 6.8 0.20 8R2 8.2 0.25 100 10.0 0.32 0.10 120 12.0 0.35 0.12 150 15.0 0.46 0.14 180 18 0.52 0.15 220 22 0.65 0.18 270 27 0.75 0.20 330 33 0.92 0.23 390 39 1.12 0.32 470 47 1.27 0.37 560 56 1.50 0.42 680 68 2.00 0.46 820 82 2.15 0.60 101 100 2.85 0.70 121 120 3.40 0.93 151 150 4.20 1.10 181 180 4.50 1.38 221 220 5.70 1.57 271 270 8.50 331 330 9.50 391 471 Measuring Frequency : 1.0~8.2uH @ 7.96MHz 0.25V; 10~82uH @ 2.52MHz 0.25V; 100~470uH Tolerance of Inductance : SMTDR32 1.0~18uH (M) 20%; 22~330uH (K) 10%. SMTDR52 1.2~18uH (M) 20%; 22~470uH (K) 10%. SMTDR54 10~27uH (M) 20%; 33~220uH (K) 10%. 6.2 DR32 2.20 2.10 1.70 1.65 1.60 1.40 1.04 1.00 1.00 0.95 0.95 0.92 0.90 0.85 0.75 0.70 0.60 0.55 0.50 0.48 0.45 0.30 0.26 0.23 0.20 0.18 0.16 0.15 0.14 0.10 0.09 Rated DC current (Amp) Max DR43 DR52 DR53 2.56 4.50 4.20 4.20 2.52 4.00 4.10 1.95 3.70 3.70 1.75 3.50 3.50 1.58 3.20 3.20 1.44 2.70 2.80 1.33 2.40 2.60 1.15 2.00 2.50 0.99 1.80 2.40 0.95 1.50 2.20 0.84 1.40 2.00 1.05 1.30 1.80 0.97 1.10 1.75 0.85 1.05 1.70 0.74 1.00 1.60 0.68 0.90 1.50 0.62 0.85 1.40 0.56 0.75 1.10 0.52 0.70 1.00 0.44 0.60 0.90 0.42 0.55 0.85 0.37 0.50 0.80 0.45 0.65 0.40 0.60 0.35 0.58 0.25 0.43 0.22 0.41 0.20 0.38 0.18 0.35 0.17 0.28 0.16 0.260 0.15 0.200 DR54 1.44 1.40 1.30 1.23 1.11 0.97 0.88 0.80 0.72 0.68 0.61 0.58 0.52 0.48 0.40 0.38 0.35 @ 1kHz 0.25V SMTDR43 1.0~27uH (M) 20%; 33~68uH (K) 10%. SMTDR53 1.0~18uH (M) 20%; 22~470uH (K) 10%. SMT POWER INDUCTORS SMTDR 73/ 75 / 104 / 105 TYPE DC resistance (Ohm) Max Rated DC current (Amp) Max Part No. L (H) DR73 DR75 DR104 DR105 DR73 DR75 DR104 DR105 100 10 0.0803 0.07 0.053 0.06 1.44 2.30 2.38 2.60 120 12 0.0897 0.08 0.061 0.07 1.39 2.00 2.13 2.45 150 15 0.104 0.09 0.070 0.08 1.24 1.80 1.87 2.27 180 18 0.111 0.10 0.081 0.09 1.12 1.60 1.73 2.15 220 22 0.129 0.11 0.088 0.10 1.07 1.50 1.60 1.95 270 27 0.153 0.12 0.100 0.11 0.94 1.30 1.44 1.76 330 33 0.170 0.13 0.120 0.12 0.85 1.20 1.26 1.50 390 39 0.217 0.16 0.151 0.14 0.74 1.10 1.20 1.37 470 47 0.252 0.18 0.170 0.17 0.68 1.10 1.10 1.28 560 56 0.282 0.24 0.199 0.19 0.64 0.94 1.01 1.17 680 68 0.332 0.28 0.223 0.22 0.59 0.85 0.91 1.11 820 82 0.406 0.37 0.252 0.25 0.54 0.78 0.85 1.00 101 100 0.481 0.43 0.344 0.35 0.51 0.72 0.74 0.97 121 120 0.536 0.47 0.396 0.40 0.49 0.66 0.69 0.89 151 150 0.755 0.64 0.544 0.47 0.40 0.58 0.61 0.78 181 180 1.022 0.71 0.621 0.63 0.36 0.51 0.56 0.72 221 220 1.200 0.96 0.721 0.73 0.31 0.49 0.53 0.66 271 270 1.306 1.11 0.949 0.97 0.29 0.42 0.45 0.57 331 330 1.495 1.26 1.100 1.15 0.28 0.40 0.42 0.52 391 390 1.77 1.245 1.30 0.36 0.38 0.48 471 470 1.96 1.526 1.48 0.34 0.35 0.42 561 560 1.904 1.90 0.32 0.33 681 680 2.25 0.28 821 820 2.55 0.24 Measuring Frequency : 10~82uH @ 2.52MHz 0.25V; 100~330uH @ 1kHz 0.25V Tolerance of Inductance : SMTDR73 10~470uH (K) 10%; 56~330uH (K) 10%. SMTDR75 10~470uH (K) 10%. SMTDR104 10~47uH (M) 20%; 56~560uH (K) 10%. SMTDR105 10~39uH (M) 20%; 47~820uH (K) 10%. 6.3