Product Overview
The DR series offers high power density and high efficiency shielded drum core power inductors. These inductors are designed for demanding applications requiring reliable performance and compact size. Featuring magnetic shielding, they minimize electromagnetic interference, making them suitable for a wide range of electronic devices.
Product Attributes
- Brand: Eaton
- Core Material: Ferrite
- Certifications: J-STD-020 compliant, Pb HALOGEN HF FREE
Technical Specifications
| Part Number | Rated Inductance (H) | OCL1 20% (H) | Irms 2 (A) | Isat 3 (A) Peak | DCR4 () Typ. | Volt-sec 5 Typ. |
| DR73-R33-R | 0.33 | 0.306 | 6.21 | 14.4 | 0.0073 | 1.98 |
| DR73-1R0-R | 1.00 | 0.992 | 5.28 | 7.97 | 0.0102 | 3.56 |
| DR73-1R5-R | 1.50 | 1.482 | 4.67 | 6.52 | 0.0130 | 4.36 |
| DR73-2R2-R | 2.20 | 2.070 | 4.15 | 5.52 | 0.0165 | 5.15 |
| DR73-3R3-R | 3.30 | 3.540 | 3.31 | 4.22 | 0.0259 | 6.73 |
| DR73-4R7-R | 4.70 | 4.422 | 3.09 | 3.78 | 0.0297 | 7.52 |
| DR73-6R8-R | 6.80 | 6.480 | 2.55 | 3.12 | 0.0435 | 9.11 |
| DR73-8R2-R | 8.20 | 8.930 | 2.19 | 2.66 | 0.0592 | 10.7 |
| DR73-100-R | 10.0 | 10.30 | 2.08 | 2.47 | 0.0656 | 11.5 |
| DR73-150-R | 15.0 | 15.01 | 1.83 | 2.05 | 0.0844 | 13.9 |
| DR73-220-R | 22.0 | 22.65 | 1.62 | 1.67 | 0.107 | 17.0 |
| DR73-330-R | 33.0 | 34.41 | 1.31 | 1.35 | 0.166 | 21.0 |
| DR73-470-R | 47.0 | 48.62 | 1.08 | 1.14 | 0.241 | 24.9 |
| DR73-680-R | 68.0 | 68.91 | 0.89 | 0.96 | 0.358 | 29.7 |
| DR73-820-R | 82.0 | 80.37 | 0.86 | 0.89 | 0.384 | 32.1 |
| DR73-101-R | 100 | 101.4 | 0.73 | 0.79 | 0.527 | 36.0 |
| DR73-151-R | 150 | 150.9 | 0.58 | 0.65 | 0.851 | 44.0 |
| DR73-221-R | 220 | 223.3 | 0.52 | 0.53 | 1.05 | 53.5 |
| DR73-331-R | 330 | 325.5 | 0.42 | 0.44 | 1.59 | 64.5 |
| DR73-471-R | 470 | 465.8 | 0.35 | 0.37 | 2.36 | 77.2 |
| DR73-681-R | 680 | 676.5 | 0.29 | 0.31 | 3.47 | 93.1 |
| DR73-821-R | 820 | 821.7 | 0.27 | 0.28 | 3.93 | 103 |
| DR73-102-R | 1000 | 995.0 | 0.26 | 0.25 | 4.34 | 113 |
| DR74-R33-R | 0.33 | 0.294 | 6.26 | 18.4 | 0.0074 | 1.71 |
| DR74-1R0-R | 1.00 | 0.952 | 5.39 | 10.2 | 0.0099 | 3.08 |
| DR74-1R5-R | 1.50 | 1.422 | 4.94 | 8.35 | 0.0118 | 3.76 |
| DR74-2R2-R | 2.20 | 1.986 | 4.76 | 7.06 | 0.0126 | 4.45 |
| DR74-3R3-R | 3.30 | 3.396 | 3.94 | 5.40 | 0.0183 | 5.81 |
| DR74-4R7-R | 4.70 | 5.182 | 3.34 | 4.37 | 0.0254 | 7.18 |
| DR74-6R8-R | 6.80 | 7.344 | 2.60 | 3.67 | 0.0418 | 8.55 |
| DR74-8R2-R | 8.20 | 8.566 | 2.53 | 3.40 | 0.0441 | 9.23 |
| DR74-100-R | 10.0 | 9.882 | 2.41 | 3.17 | 0.0489 | 9.92 |
| DR74-150-R | 15.0 | 16.09 | 2.11 | 2.48 | 0.0637 | 12.7 |
| DR74-220-R | 22.0 | 21.73 | 1.75 | 2.13 | 0.0925 | 14.7 |
| DR74-330-R | 33.0 | 33.01 | 1.41 | 1.73 | 0.143 | 18.1 |
| DR74-470-R | 47.0 | 49.64 | 1.15 | 1.41 | 0.216 | 22.2 |
| DR74-680-R | 68.0 | 69.67 | 1.03 | 1.19 | 0.265 | 26.3 |
| DR74-820-R | 82.0 | 80.95 | 0.91 | 1.11 | 0.345 | 28.4 |
| DR74-101-R | 100 | 101.6 | 0.86 | 0.99 | 0.383 | 31.8 |
| DR74-151-R | 150 | 150.0 | 0.69 | 0.81 | 0.591 | 38.6 |
| DR74-221-R | 220 | 227.0 | 0.56 | 0.66 | 0.907 | 47.5 |
| DR74-331-R | 330 | 335.6 | 0.45 | 0.54 | 1.41 | 57.8 |
| DR74-471-R | 470 | 465.3 | 0.40 | 0.46 | 1.74 | 68.1 |
| DR74-681-R | 680 | 671.2 | 0.33 | 0.38 | 2.58 | 81.7 |
| DR74-821-R | 820 | 812.7 | 0.31 | 0.35 | 2.93 | 89.9 |
| DR74-102-R | 1000 | 1009 | 0.27 | 0.31 | 3.89 | 100 |
| DR125-R47-R | 0.47 | 0.456 | 17.6 | 33.0 | 0.0018 | 3.17 |
| DR125-1R0-R | 1.00 | 0.894 | 15.0 | 23.6 | 0.0024 | 4.43 |
| DR125-1R5-R | 1.50 | 1.478 | 13.8 | 18.3 | 0.0029 | 5.70 |
| DR125-2R2-R | 2.20 | 2.208 | 10.9 | 15.0 | 0.0045 | 6.97 |
| DR125-3R3-R | 3.30 | 3.084 | 9.26 | 12.7 | 0.0063 | 8.23 |
| DR125-4R7-R | 4.70 | 5.274 | 7.18 | 9.71 | 0.0105 | 10.8 |
| DR125-6R8-R | 6.80 | 6.588 | 6.64 | 8.68 | 0.0123 | 12.0 |
| DR125-8R2-R | 8.20 | 8.048 | 5.54 | 7.86 | 0.0176 | 13.3 |
| DR125-100-R | 10.0 | 9.654 | 5.35 | 7.17 | 0.0189 | 14.6 |
| DR125-150-R | 15.0 | 15.35 | 4.27 | 5.69 | 0.0298 | 18.4 |
| DR125-180-R | 18.0 | 17.70 | 3.81 | 5.32 | 0.0377 | 19.6 |
| DR125-220-R | 22.0 | 22.36 | 3.70 | 4.71 | 0.0396 | 22.2 |
| DR125-330-R | 33.0 | 33.74 | 3.28 | 3.84 | 0.0505 | 27.2 |
| DR125-470-R | 47.0 | 47.47 | 2.71 | 3.24 | 0.0740 | 32.3 |
| DR125-560-R | 56.0 | 55.24 | 2.31 | 3.00 | 0.102 | 34.8 |
| DR125-680-R | 68.0 | 67.91 | 2.22 | 2.70 | 0.101 | 38.6 |
| DR125-820-R | 82.0 | 86.89 | 2.05 | 2.39 | 0.128 | 43.7 |
| DR125-101-R | 100 | 102.7 | 1.78 | 2.20 | 0.170 | 47.5 |
| DR125-151-R | 150 | 151.1 | 1.48 | 1.81 | 0.248 | 57.6 |
| DR125-221-R | 220 | 216.8 | 1.19 | 1.51 | 0.384 | 69.0 |
| DR125-331-R | 330 | 332.6 | 1.06 | 1.22 | 0.482 | 85.5 |
| DR125-471-R | 470 | 473.1 | 0.87 | 1.02 | 0.718 | 102 |
| DR125-681-R | 680 | 679.8 | 0.70 | 0.85 | 1.10 | 122 |
| DR125-821-R | 820 | 828.0 | 0.60 | 0.77 | 1.49 | 135 |
| DR125-102-R | 1000 | 1008 | 0.57 | 0.70 | 1.69 | 149 |
| DR125-472-R | 4700 | 4720 | 0.268 | 0.32 | 7.53 | 322.4 |
| DR125-124-R | 120000 | 120630 | 0.060 | 0.069 | 150 | 1521 |
| DR127-R47-R | 0.47 | 0.419 | 17.9 | 56.0 | 0.00195 | 3.50 |
| DR127-1R0-R | 1.00 | 0.821 | 15.5 | 40.0 | 0.00313 | 4.90 |
| DR127-1R5-R | 1.50 | 1.357 | 13.5 | 31.1 | 0.00341 | 6.30 |
| DR127-2R2-R | 2.20 | 2.027 | 12.5 | 25.5 | 0.00402 | 7.70 |
| DR127-3R3-R | 3.30 | 2.831 | 10.5 | 21.5 | 0.00567 | 9.10 |
| DR127-4R7-R | 4.70 | 4.841 | 8.25 | 16.5 | 0.00917 | 11.9 |
| DR127-6R8-R | 6.80 | 7.387 | 7.34 | 13.3 | 0.0116 | 14.7 |
| DR127-8R2-R | 8.20 | 8.861 | 6.32 | 12.2 | 0.0157 | 16.1 |
| DR127-100-R | 10.0 | 10.47 | 6.04 | 11.2 | 0.0172 | 17.5 |
| DR127-150-R | 15.0 | 14.09 | 5.03 | 9.66 | 0.0247 | 20.3 |
| DR127-220-R | 22.0 | 22.93 | 4.00 | 7.57 | 0.0391 | 25.9 |
| DR127-330-R | 33.0 | 33.92 | 3.23 | 6.22 | 0.0600 | 31.5 |
| DR127-470-R | 47.0 | 47.05 | 2.95 | 5.28 | 0.0719 | 37.1 |
| DR127-680-R | 68.0 | 66.48 | 2.44 | 4.44 | 0.105 | 44.1 |
| DR127-820-R | 82.0 | 79.75 | 2.09 | 4.06 | 0.143 | 48.3 |
| DR127-101-R | 100 | 99.31 | 1.96 | 3.64 | 0.163 | 53.9 |
| DR127-151-R | 150 | 144.9 | 1.59 | 3.01 | 0.247 | 65.1 |
| DR127-221-R | 220 | 221.5 | 1.29 | 2.43 | 0.376 | 80.5 |
| DR127-331-R | 330 | 323.6 | 1.04 | 2.01 | 0.574 | 97.3 |
| DR127-471-R | 470 | 467.1 | 0.85 | 1.68 | 0.861 | 117 |
| DR127-681-R | 680 | 676.7 | 0.76 | 1.39 | 1.08 | 141 |
| DR127-821-R | 820 | 818.1 | 0.65 | 1.27 | 1.47 | 155 |
| DR127-102-R | 1000 | 1005 | 0.61 | 1.14 | 1.66 | 172 |
Applications: Desktop and servers, DVD and media players, portable and handheld devices, LCD panels, DC-DC converters (buck, boost, forward, and resonant converters), noise filtering and filter chokes.
Environmental Data: Storage temperature range: -40 C to +125 C. Operating temperature range: -40 C to +125 C (ambient plus self-temperature rise). Solder reflow temperature: J-STD-020 (latest revision) compliant.
Test Parameters: 1. Open Circuit Inductance Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc. 2. RMS current for an approximate DT of 40 C without core loss. 3. Peak current for approximate 30% roll off at +20 C. 4. DCR limits @ +20 C. 5. Applied Volt-Time product (V-s) across the inductor.
2409302136_EATON-DR74-151-R_C2452980.pdf
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