Compact automotive grade power inductors EATON DRAQ127-330-R dual winding shielded drum core design
Product Overview
The DRAQ127 series offers automotive-grade, dual-winding, high power density shielded drum core power inductors. These versatile inductors can be configured as single inductors, SEPIC, Flyback, or other coupled inductor/transformer applications with a 1:1 turns ratio. Windings can be connected in series or parallel to achieve a wide range of inductance and current ratings, with 200 Vac isolation between windings. Designed for demanding automotive environments, they feature a compact 12.5 mm x 12.5 mm x 8.0 mm surface mount package with mechanical secure mounting for high shock and vibration resistance. The ferrite core material ensures reliable performance.
Product Attributes
- Brand: Eaton
- Origin: USA
- Material: Ferrite core
- Certifications: AEC-Q200 qualified, Pb HALOGEN HF FREE
- Package: 12.5 mm x 12.5 mm x 8.0 mm surface mount
- Moisture Sensitivity Level (MSL): 1
Technical Specifications
| Part Number | Configuration | OCL 25% (H) | Irms 2 (A) | Isat1 3 (A) | Isat2 4 (A) | DCR () @ +20 C (Typ.) | DCR () @ +20 C (Max.) | K-Factor 5 |
|---|---|---|---|---|---|---|---|---|
| DRAQ127-100-R | Parallel | 9.63 | 6.02 | 11.2 | 8.96 | 0.018 | 0.022 | 24.0 |
| DRAQ127-100-R | Series | 38.5 | 3.01 | 5.60 | 4.48 | 0.072 | 0.089 | 12.0 |
| DRAQ127-150-R | Parallel | 14.9 | 4.83 | 9.03 | 7.23 | 0.027 | 0.032 | 19.4 |
| DRAQ127-150-R | Series | 59.6 | 2.41 | 4.52 | 3.61 | 0.108 | 0.128 | 9.70 |
| DRAQ127-220-R | Parallel | 22.0 | 3.98 | 7.57 | 6.05 | 0.040 | 0.047 | 16.2 |
| DRAQ127-220-R | Series | 88.0 | 1.99 | 3.79 | 3.03 | 0.162 | 0.192 | 8.10 |
| DRAQ127-330-R | Parallel | 32.0 | 3.22 | 6.22 | 4.98 | 0.060 | 0.072 | 13.3 |
| DRAQ127-330-R | Series | 128.0 | 1.61 | 3.11 | 2.49 | 0.240 | 0.288 | 6.65 |
| DRAQ127-470-R | Parallel | 47.9 | 2.62 | 5.09 | 4.07 | 0.091 | 0.110 | 10.9 |
| DRAQ127-470-R | Series | 192.0 | 1.31 | 2.54 | 2.03 | 0.364 | 0.440 | 5.45 |
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