Automotive power inductor EATON DRA124-221-R with rugged design and high current handling capabilities
Product Overview
The DRA Automotive grade series are high power density, high efficiency, shielded drum core power inductors designed for demanding automotive applications. They offer a wide inductance range and high current handling capabilities, with a rugged construction suitable for harsh environments. These inductors are magnetically shielded to reduce EMI and feature a ferrite core material.
Product Attributes
- AEC-Q200 qualified
- Five different mechanical sizes available
- Magnetically shielded
- Ferrite core material
- Pb HALOGEN HF FREE
- RoHS compliant
Technical Specifications
| Part Number | OCL 20% (H) | Irms (A) | Isat1 (A) | Isat2 (A) | DCR () @ +25 C Typical | DCR () @ +25 C Maximum | K-Factor |
| DRA73-R33-R | 0.29 | 8.42 | 14.8 | 11.8 | 0.0040 | 0.0048 | 636.5 |
| DRA73-1R0-R | 0.91 | 6.50 | 8.22 | 6.58 | 0.0067 | 0.0080 | 353.6 |
| DRA73-1R5-R | 1.36 | 5.39 | 6.73 | 5.38 | 0.0097 | 0.0117 | 289.3 |
| DRA73-2R2-R | 2.52 | 4.18 | 4.93 | 3.95 | 0.016 | 0.019 | 212.2 |
| DRA73-3R3-R | 3.18 | 3.59 | 4.35 | 3.48 | 0.022 | 0.026 | 187.2 |
| DRA73-4R7-R | 4.86 | 2.92 | 3.52 | 2.82 | 0.033 | 0.040 | 151.6 |
| DRA73-6R8-R | 6.63 | 2.62 | 2.96 | 2.37 | 0.041 | 0.049 | 127.3 |
| DRA73-8R2-R | 8.06 | 2.30 | 2.74 | 2.19 | 0.053 | 0.064 | 117.9 |
| DRA73-100-R | 10.27 | 2.11 | 2.39 | 1.91 | 0.064 | 0.077 | 102.7 |
| DRA73-150-R | 14.98 | 1.74 | 2.00 | 1.60 | 0.094 | 0.112 | 86.0 |
| DRA73-220-R | 22.39 | 1.42 | 1.64 | 1.32 | 0.141 | 0.170 | 70.7 |
| DRA73-330-R | 31.84 | 1.25 | 1.35 | 1.08 | 0.183 | 0.219 | 57.9 |
| DRA73-470-R | 47.83 | 1.02 | 1.10 | 0.884 | 0.275 | 0.330 | 47.5 |
| DRA73-680-R | 66.89 | 0.845 | 0.937 | 0.749 | 0.397 | 0.476 | 40.3 |
| DRA73-820-R | 83.77 | 0.731 | 0.851 | 0.680 | 0.530 | 0.636 | 36.6 |
| DRA73-101-R | 101.7 | 0.682 | 0.763 | 0.610 | 0.609 | 0.731 | 32.8 |
| DRA73-151-R | 151.1 | 0.551 | 0.632 | 0.506 | 0.932 | 1.12 | 27.2 |
| DRA73-221-R | 218.8 | 0.479 | 0.510 | 0.408 | 1.23 | 1.48 | 21.9 |
| DRA73-331-R | 326.4 | 0.391 | 0.423 | 0.338 | 1.85 | 2.22 | 18.2 |
| DRA73-471-R | 472.6 | 0.326 | 0.354 | 0.283 | 2.67 | 3.20 | 15.2 |
| DRA73-681-R | 682.9 | 0.270 | 0.297 | 0.238 | 3.89 | 4.66 | 12.8 |
| DRA73-821-R | 825.3 | 0.252 | 0.267 | 0.214 | 4.46 | 5.35 | 11.5 |
| DRA73-102-R | 991.9 | 0.235 | 0.239 | 0.192 | 5.15 | 6.18 | 10.3 |
| DRA74-R33-R | 0.29 | 7.26 | 18.4 | 14.7 | 0.0054 | 0.0064 | 547.9 |
| DRA74-1R0-R | 0.90 | 6.01 | 10.2 | 8.18 | 0.0078 | 0.0094 | 304.4 |
| DRA74-1R5-R | 1.31 | 5.55 | 8.36 | 6.69 | 0.0092 | 0.0110 | 249.0 |
| DRA74-2R2-R | 2.33 | 4.82 | 6.13 | 4.91 | 0.012 | 0.015 | 182.6 |
| DRA74-3R3-R | 3.05 | 4.16 | 5.41 | 4.33 | 0.016 | 0.020 | 161.1 |
| DRA74-4R7-R | 4.68 | 3.41 | 4.38 | 3.50 | 0.024 | 0.029 | 130.4 |
| DRA74-6R8-R | 6.51 | 2.91 | 3.68 | 2.94 | 0.034 | 0.040 | 109.6 |
| DRA74-8R2-R | 8.51 | 2.66 | 3.17 | 2.54 | 0.040 | 0.048 | 94.5 |
| DRA74-100-R | 9.62 | 2.56 | 2.97 | 2.37 | 0.043 | 0.052 | 88.4 |
| DRA74-150-R | 15.14 | 2.06 | 2.36 | 1.89 | 0.067 | 0.080 | 70.2 |
| DRA74-220-R | 22.25 | 1.68 | 1.96 | 1.57 | 0.100 | 0.120 | 58.3 |
| DRA74-330-R | 33.21 | 1.37 | 1.61 | 1.29 | 0.151 | 0.181 | 48.1 |
| DRA74-470-R | 46.56 | 1.14 | 1.37 | 1.10 | 0.219 | 0.263 | 40.9 |
| DRA74-680-R | 68.37 | 0.996 | 1.11 | 0.887 | 0.286 | 0.343 | 33.0 |
| DRA74-820-R | 81.45 | 0.879 | 1.03 | 0.827 | 0.367 | 0.440 | 30.8 |
| DRA74-101-R | 98.50 | 0.822 | 0.929 | 0.743 | 0.419 | 0.503 | 27.7 |
| DRA74-151-R | 150.9 | 0.661 | 0.748 | 0.598 | 0.648 | 0.780 | 22.3 |
| DRA74-221-R | 218.9 | 0.544 | 0.626 | 0.501 | 0.960 | 1.15 | 18.6 |
| DRA74-331-R | 328.9 | 0.435 | 0.514 | 0.411 | 1.50 | 1.79 | 15.3 |
| DRA74-471-R | 471.5 | 0.383 | 0.420 | 0.336 | 1.93 | 2.31 | 12.5 |
| DRA74-681-R | 682.8 | 0.315 | 0.352 | 0.282 | 2.86 | 3.43 | 10.5 |
| DRA74-821-R | 815.0 | 0.279 | 0.327 | 0.262 | 3.63 | 4.35 | 9.7 |
| DRA74-102-R | 1001.7 | 0.260 | 0.292 | 0.234 | 4.19 | 5.02 | 8.7 |
| DRA124-R47-R | 0.42 | 13.5 | 30.8 | 24.6 | 0.0024 | 0.0028 | 196.9 |
| DRA124-1R0-R | 0.82 | 11.7 | 22.0 | 17.6 | 0.0031 | 0.0038 | 140.7 |
| DRA124-1R5-R | 1.36 | 9.36 | 17.1 | 13.7 | 0.0049 | 0.0058 | 109.4 |
| DRA124-2R2-R | 2.04 | 7.64 | 14.0 | 11.2 | 0.0070 | 0.0090 | 89.5 |
| DRA124-3R3-R | 2.79 | 6.94 | 11.9 | 9.48 | 0.0090 | 0.011 | 75.7 |
| DRA124-4R7-R | 4.74 | 5.47 | 9.06 | 7.25 | 0.014 | 0.017 | 57.9 |
| DRA124-6R8-R | 7.28 | 4.46 | 7.33 | 5.87 | 0.021 | 0.026 | 46.9 |
| DRA124-8R2-R | 8.88 | 3.87 | 6.70 | 5.36 | 0.028 | 0.034 | 42.8 |
| DRA124-100-R | 10.37 | 3.67 | 6.16 | 4.93 | 0.031 | 0.038 | 39.4 |
| DRA124-150-R | 14.10 | 3.10 | 5.31 | 4.25 | 0.044 | 0.053 | 34.0 |
| DRA124-220-R | 23.00 | 2.44 | 4.16 | 3.33 | 0.071 | 0.086 | 26.6 |
| DRA124-330-R | 34.13 | 1.98 | 3.42 | 2.74 | 0.108 | 0.130 | 21.9 |
| DRA124-470-R | 46.27 | 1.78 | 2.91 | 2.33 | 0.134 | 0.160 | 18.6 |
| DRA124-680-R | 69.77 | 1.45 | 2.37 | 1.90 | 0.201 | 0.241 | 15.1 |
| DRA124-820-R | 80.57 | 1.29 | 2.23 | 1.79 | 0.257 | 0.309 | 14.3 |
| DRA124-101-R | 98.80 | 1.20 | 2.00 | 1.60 | 0.296 | 0.355 | 12.8 |
| DRA124-151-R | 151.7 | 0.967 | 1.62 | 1.30 | 0.454 | 0.550 | 10.4 |
| DRA124-221-R | 209.6 | 0.865 | 1.36 | 1.09 | 0.568 | 0.680 | 8.7 |
| DRA124-331-R | 326.9 | 0.690 | 1.09 | 0.874 | 0.892 | 1.070 | 7.0 |
| DRA124-471-R | 473.0 | 0.568 | 0.911 | 0.729 | 1.32 | 1.58 | 5.8 |
| DRA124-681-R | 682.1 | 0.466 | 0.759 | 0.607 | 1.96 | 2.35 | 4.9 |
| DRA124-821-R | 826.7 | 0.406 | 0.697 | 0.557 | 2.57 | 3.09 | 4.5 |
| DRA124-102-R | 1001.0 | 0.380 | 0.629 | 0.503 | 2.94 | 3.52 | 4.0 |
| DRA125-R47-R | 0.45 | 14.7 | 33.2 | 26.6 | 0.0025 | 0.0030 | 176.9 |
| DRA125-1R0-R | 0.85 | 12.7 | 23.7 | 19.0 | 0.0034 | 0.0042 | 126.4 |
| DRA125-1R5-R | 1.41 | 12.9 | 18.4 | 14.8 | 0.0033 | 0.0039 | 98.3 |
| DRA125-2R2-R | 2.12 | 10.6 | 15.1 | 12.1 | 0.0048 | 0.0058 | 80.4 |
| DRA125-3R3-R | 2.89 | 8.63 | 12.8 | 10.2 | 0.0073 | 0.0087 | 68.0 |
| DRA125-4R7-R | 4.90 | 7.67 | 9.76 | 7.81 | 0.0092 | 0.011 | 52.0 |
| DRA125-6R8-R | 6.23 | 6.81 | 8.74 | 6.99 | 0.012 | 0.014 | 46.6 |
| DRA125-8R2-R | 7.49 | 6.41 | 7.90 | 6.32 | 0.013 | 0.016 | 42.1 |
| DRA125-100-R | 9.22 | 5.57 | 7.22 | 5.77 | 0.017 | 0.021 | 38.5 |
| DRA125-150-R | 14.67 | 4.45 | 5.72 | 4.58 | 0.027 | 0.033 | 30.5 |
| DRA125-220-R | 20.65 | 3.95 | 4.74 | 3.79 | 0.035 | 0.042 | 25.3 |
| DRA125-330-R | 31.47 | 3.19 | 3.86 | 3.09 | 0.053 | 0.064 | 20.6 |
| DRA125-470-R | 47.83 | 2.59 | 3.13 | 2.51 | 0.081 | 0.097 | 16.7 |
| DRA125-680-R | 68.48 | 2.13 | 2.64 | 2.11 | 0.120 | 0.144 | 14.0 |
| DRA125-820-R | 80.86 | 2.01 | 2.41 | 1.93 | 0.135 | 0.162 | 12.8 |
| DRA125-101-R | 97.60 | 1.75 | 2.21 | 1.77 | 0.178 | 0.214 | 11.8 |
Applications: Body electronics (Headlamps, tail lamps and interior lighting, HVAC controllers, Doors, window lift and seat control), Advanced driver assistance systems (ACC, Collision avoidance system, Car black box system), Infotainment and cluster electronics (Audio subsystem, Digital instrument cluster, IVI and navigation), Chassis and safety electronics (ESC, Electric parking brake, EPS), Engine and powertrain systems (Diesel/gasoline engine management, PCM/ECU, TCU).
Environmental Data: Storage temperature range: -40 C to +165 C. Operating temperature range: -40 C to +165 C (ambient plus self-temperature rise). Solder reflow temperature: J-STD-020 compliant. Moisture Sensitivity Level (MSL): 1.
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