744302010

Fixed Inductors Overview

The Würth Elektronik 744302010 is a surface-mount power inductor from the WE-HCM series, designed for high-current applications. It features an inductance of 105 nH with a ±20% tolerance and utilizes flat wire winding technology on a shielded drum core. The component supports a maximum DC current of 30 A and a saturation current of 38 A, while maintaining a low DC resistance of 0.235 mΩ. Operating within a temperature range of -40°C to +125°C, it offers a self-resonant frequency of 160 MHz and measures 10.5 mm x 10.3 mm x 5.0 mm.

Fixed Inductors Feature Summary

• Utilizes flat wire winding construction to achieve high current handling capabilities and low DC resistance.
• Features a shielded drum core design to minimize electromagnetic interference and stray magnetic fields.
• Engineered for robust performance under high thermal stress with extended operating temperature limits.

Fixed Inductors Applications

• High-frequency DC-DC converter output filtering
• Point-of-load (POL) regulation stages
• Automotive electronics power supply circuits

Fixed Inductors Procurement Notes

Verify that the ordered part number matches the specific electrical requirements, particularly the 105 nH inductance and 30 A current rating. Confirm package compatibility with PCB footprint dimensions of 10.5 mm by 10.3 mm. Ensure the selected variant meets the required thermal management standards for the intended operating environment.

Fixed Inductors Selection Notes

Select this component when low inductance and high current capacity are critical for power integrity. The flat wire design provides superior efficiency compared to traditional round wire inductors at similar ratings. Consider the shielded structure if EMI constraints are strict within the assembly layout.

Fixed Inductors Part Context

This component belongs to the WE-HCM series, which specializes in high-current SMD power inductors. The series is characterized by its use of flat wire technology to reduce AC and DC losses. It targets applications requiring compact footprints with significant current handling, such as automotive and industrial power systems.

Fixed Inductors Replacement Considerations

Direct substitutes include other WE-HCM series parts with matching 105 nH values and comparable current ratings. Cross-reference physical dimensions and pin configurations to ensure mechanical compatibility during replacement or upgrade scenarios.