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DRA124-4R7-R Datasheet(PDF) 3 Page - Cooper Bussmann, Inc. |
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DRA124-4R7-R Datasheet(HTML) 3 Page - Cooper Bussmann, Inc. |
3 / 8 page DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications (1) Open Circuit Inductance test parameters: 100kHz, 0.25V, 0.0Adc, tolerance is ±20% (2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is necessary for AC currents. PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the temperature rise. It is recommended that the temperature of the part not exceed 165°C under worst case operating conditions verified in the end application. (3) Isat Amperes peak for approximately 30% rolloff (@25°C) (4) Isat Amperes peak for approximately 40% rolloff (@125°C) (5) DCR limits @ 25°C (6) K-factor: Used to determine B p-p for core loss (see graph). B p-p = K*L* ∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH), ∆I (Peak to peak ripple current in Amps). (7) Part Number Definition: DRAxxx-xxx-R DRAxxx = Product code and size; -xxx = Inductance value in uH; R = decimal point; If no R is present, third character = # of zeros. -R suffix = RoHS compliant Part Number Rated OCL (1) Irms (2) Isat (3) Isat (4) DCR (5) K-factor (6) Inductance µH Amperes Amperes Amperes ( Ω) +/-20% Typ. DRA125-150-R 15.0 14.67 4.45 5.72 4.58 0.027 2.9 DRA125-220-R 22.0 20.65 3.95 4.74 3.79 0.035 2.4 DRA125-330-R 33.0 31.47 3.19 3.86 3.09 0.053 1.9 DRA125-470-R 47.0 47.83 2.59 3.13 2.506 0.081 1.6 DRA125-680-R 68.0 68.48 2.125 2.635 2.108 0.120 1.3 DRA125-820-R 82.0 80.86 2.005 2.406 1.925 0.135 1.2 DRA125-101-R 100 97.6 1.745 2.213 1.771 0.178 1.1 DRA125-151-R 150 150.0 1.409 1.785 1.428 0.273 0.9 DRA125-221-R 220 222.8 1.142 1.469 1.175 0.416 0.7 DRA125-331-R 330 325.1 0.998 1.194 0.955 0.543 0.6 DRA125-471-R 470 466.3 0.826 1.006 0.805 0.79 0.5 DRA125-681-R 680 683.3 0.673 0.834 0.667 1.20 0.4 DRA125-821-R 820 813.6 0.632 0.758 0.606 1.36 0.4 DRA125-102-R 1000 992.8 0.552 0.695 0.556 1.78 0.4 DRA127-R47-R 0.47 0.413 22.50 56.0 44.8 0.0012 14.3 DRA127-1R0-R 1.00 0.772 19.22 40.0 32.0 0.0017 10.2 DRA127-1R5-R 1.50 1.27 15.32 31.1 24.9 0.0027 7.9 DRA127-2R2-R 2.20 1.92 12.52 25.5 20.4 0.0040 6.5 DRA127-3R3-R 3.30 3.51 9.59 18.7 14.93 0.0068 4.8 DRA127-4R7-R 4.70 4.58 8.14 16.5 13.18 0.0094 4.2 DRA127-6R8-R 6.80 6.72 7.32 13.3 10.67 0.012 3.4 DRA127-8R2-R 8.20 8.33 6.33 12.2 9.74 0.016 3.1 DRA127-100-R 10.0 9.63 6.02 11.2 8.96 0.017 2.9 DRA127-150-R 15.0 14.90 4.83 9.03 7.23 0.027 2.3 DRA127-220-R 22.0 21.47 3.98 7.57 6.05 0.040 1.9 DRA127-330-R 33.0 32.01 3.22 6.22 4.98 0.060 1.6 DRA127-470-R 47.0 47.91 2.62 5.09 4.07 0.091 1.3 DRA127-680-R 68.0 68.22 2.333 4.18 3.34 0.115 1.1 DRA127-820-R 82.0 83.91 2.008 3.84 3.07 0.155 1.0 DRA127-101-R 100 100.8 1.888 3.46 2.77 0.175 0.9 DRA127-151-R 150 151.2 1.524 2.83 2.26 0.269 0.7 DRA127-221-R 220 219.8 1.253 2.35 1.88 0.398 0.6 DRA127-331-R 330 328.3 1.011 1.93 1.54 0.612 0.5 DRA127-471-R 470 474.5 0.827 1.62 1.29 0.91 0.4 DRA127-681-R 680 676.6 0.736 1.33 1.06 1.15 0.3 DRA127-821-R 820 824.6 0.637 1.22 0.978 1.54 0.3 DRA127-102-R 1000 998.7 0.598 1.10 0.878 1.75 0.3 Mechanical Diagrams DRA73 Series TOP VIEW BOTTOM VIEW 7.6 Max 7.6 Max FRONT VIEW 3.55 Max ### wwllyy R 8.50 SCHEMATIC 2 1 RECOMMENDED PCB LAYOU T 2.50 2.00 3.25 1 2 1.5 Dimensions in Millimeters. ### = Inductance value in uH. R = decimal point. If no R is present third character = # of zeros wwllyy = (date code) R = revision level |
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