SDQ Low-profile Dual Winding Shielded Drum Inductor/Transformer
The SDQ series offers low-profile, dual-winding shielded drum inductors and transformers designed for versatile applications. These components can function as single inductors or in coupled inductor/transformer configurations with a 1:1 turns ratio. Windings can be connected in series or parallel to achieve a wide range of inductance and current ratings, from 0.47 H to 4.03 mH and 0.063 A to 6.43 A, respectively. Featuring ferrite shielding for low EMI and a ferrite core material, these inductors are suitable for various power management circuits in mobile phones, notebooks, digital cameras, and other portable electronic devices. They operate within a temperature range of -40 C to +125 C.
Product Attributes
- Brand: Eaton
- Certifications: Pb HALOGEN HF FREE, J-STD-020 compliant
Technical Specifications
| Part Number | Inductance (H) 20% | Marking | OCL (H) typ. | Irms (A) typ. | Isat (A) typ. | DCR () typ. | Volts (V-s) typ. |
| SDQ12-R47-R | 0.47 | A | 0.49 | 2.78 | 4.34 | 0.0325 | 2.45 |
| SDQ12-1R0-R | 1 | B | 0.81 | 2.49 | 3.38 | 0.0403 | 3.15 |
| SDQ12-1R5-R | 1.5 | C | 1.69 | 1.69 | 2.34 | 0.0870 | 4.55 |
| SDQ12-2R2-R | 2.2 | D | 2.25 | 1.60 | 2.03 | 0.0977 | 5.25 |
| SDQ12-3R3-R | 3.3 | E | 3.61 | 1.28 | 1.60 | 0.1527 | 6.65 |
| SDQ12-4R7-R | 4.7 | F | 4.41 | 1.12 | 1.45 | 0.1990 | 7.35 |
| SDQ12-6R2-R | 6.2 | G | 6.25 | 1.02 | 1.22 | 0.2387 | 8.75 |
| SDQ12-8R2-R | 8.2 | H | 8.41 | 0.868 | 1.05 | 0.3318 | 10.15 |
| SDQ12-100-R | 10 | J | 9.61 | 0.831 | 0.981 | 0.3620 | 10.85 |
| SDQ12-150-R | 15 | K | 15.21 | 0.658 | 0.779 | 0.5766 | 13.65 |
| SDQ12-220-R | 22 | L | 22.09 | 0.548 | 0.647 | 0.8332 | 16.45 |
| SDQ12-330-R | 33 | M | 32.49 | 0.439 | 0.533 | 1.29 | 19.95 |
| SDQ12-470-R | 47 | N | 47.61 | 0.401 | 0.441 | 1.55 | 24.15 |
| SDQ12-680-R | 68 | O | 68.89 | 0.326 | 0.366 | 2.36 | 29.05 |
| SDQ12-820-R | 82 | P | 82.81 | 0.309 | 0.334 | 2.62 | 31.85 |
| SDQ25-R47-R | 0.47 | A | 0.392 | 3.71 | 6.43 | 0.0181 | 2.31 |
| SDQ25-R82-R | 0.82 | B | 0.648 | 3.37 | 5.00 | 0.0221 | 2.97 |
| SDQ25-1R0-R | 1 | C | 0.97 | 3.15 | 4.09 | 0.0252 | 3.63 |
| SDQ25-1R5-R | 1.5 | D | 1.35 | 2.97 | 3.46 | 0.0283 | 4.29 |
| SDQ25-2R2-R | 2.2 | E | 2.31 | 2.67 | 2.65 | 0.0351 | 5.61 |
| SDQ25-3R3-R | 3.3 | F | 2.89 | 2.50 | 2.37 | 0.0399 | 6.27 |
| SDQ25-4R7-R | 4.7 | G | 5 | 1.96 | 1.80 | 0.0653 | 8.25 |
| SDQ25-6R8-R | 6.8 | H | 6.73 | 1.84 | 1.55 | 0.0741 | 9.57 |
| SDQ25-8R2-R | 8.2 | J | 8.71 | 1.57 | 1.36 | 0.1015 | 10.9 |
| SDQ25-100-R | 10 | K | 9.8 | 1.53 | 1.29 | 0.1068 | 11.6 |
| SDQ25-150-R | 15 | L | 14.79 | 1.24 | 1.05 | 0.1632 | 14.2 |
| SDQ25-220-R | 22 | M | 22.47 | 1.01 | 0.849 | 0.2431 | 17.5 |
| SDQ25-330-R | 33 | N | 33.8 | 0.812 | 0.692 | 0.3795 | 21.5 |
| SDQ25-470-R | 47 | O | 47.43 | 0.749 | 0.584 | 0.4461 | 25.4 |
| SDQ25-680-R | 68 | P | 69.19 | 0.603 | 0.484 | 0.6865 | 30.7 |
| SDQ25-820-R | 82 | Q | 81.61 | 0.580 | 0.446 | 0.7435 | 33.3 |
| SDQ25-101-R | 100 | R | 98.57 | 0.499 | 0.405 | 1.00 | 36.6 |
| SDQ25-151-R | 150 | S | 150.2 | 0.408 | 0.328 | 1.50 | 45.2 |
| SDQ25-221-R | 220 | T | 223.1 | 0.326 | 0.269 | 2.36 | 55.1 |
| SDQ25-331-R | 330 | U | 329.7 | 0.292 | 0.222 | 2.93 | 67.0 |
| SDQ25-471-R | 470 | V | 472.4 | 0.243 | 0.185 | 4.25 | 80.2 |
| SDQ25-681-R | 680 | W | 677.4 | 0.197 | 0.155 | 6.45 | 96.0 |
| SDQ25-821-R | 820 | X | 824.3 | 0.186 | 0.140 | 7.25 | 106 |
| SDQ25-102-R | 1000 | Y | 1008.2 | 0.160 | 0.127 | 9.82 | 117 |
Test Parameters: (1) 100 kHz, 0.25 Vrms, 0.0 Adc. (2) Irms: DC current for approximately T of 40 C without core loss. It is recommended that the temperature of the part not to exceed +125 C. Derating is necessary for AC currents. (3) Isat: Peak current for approximately 30% rolloff @ +20 C. (4) DCR limits @ +20 C. (5) Applied Volt-Time product (V-s) across the inductor at 100 kHz necessary to generate a core loss equal to 10% of the total losses for a 40 C temperature rise. Derating of the Irms is required to prevent excessive temperature rise.
2404241320_EATON-SDQ12-680-R_C7356838.pdf
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