4448-02M

Overview

The Delevan 4448-02M is a coupled inductor from the 4448/R series, designed for high-current surface-mount applications. It features an inductance of 0.47 µH with a 20% tolerance and a maximum DC resistance of 5 mΩ. The component supports a maximum DC current of 7 A and operates within a temperature range of -55 °C to 125 °C. Its rectangular toroidal construction measures 13.71 mm in length and width, with a height of 7.87 mm.

Feature Summary

• High-current molded SMT design for efficient power handling
• Dual-coil coupled inductor configuration for space-constrained layouts
• Robust rectangular toroidal core structure for thermal stability

Applications

• Power supply input/output filtering
• DC-DC converter circuits
• Data line noise suppression

Procurement Notes

Verify RoHS compliance status as documentation indicates non-compliance for this specific part number. Confirm lead times and minimum order quantities directly with authorized distributors, as availability may vary. Ensure the ordering suffix matches the required packaging format. Cross-reference datasheet revisions to confirm electrical parameters align with current design requirements before finalizing procurement.

Selection Notes

Select the 4448-02M when a compact, high-current coupled inductor is required for SMT assembly. The 0.47 µH value suits applications needing moderate inductance with low impedance. Consider the 7 A current rating for power stages requiring significant load handling. Verify that the 13.71 x 13.71 mm footprint fits the PCB layout constraints.

Part Context

This component belongs to the Delevan 4448/R series of coupled inductors. The series offers various inductance values tailored for different power levels. The 4448-02M specifically targets high-current applications where size reduction and surface-mount compatibility are critical. It serves as a passive filtering element in modern electronic systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Evaluate alternative coupled inductors based on matching inductance, current rating, and physical dimensions if replacement is necessary.