CIGW404012GM1R0MLE

Fixed Inductors Overview

The Samsung Electro-Mechanics CIGW404012GM1R0MLE is a shielded surface-mount power inductor from the CIGW series. It features a wire-wound construction with a metal composite core, housed in a compact 4040 (1616 metric) package measuring 4.1 mm x 4.1 mm x 2.0 mm. The component provides an inductance of 1.0 µH with a tolerance of ±20%. It supports a maximum DC current of 7 A and a saturation current of 7.5 A. The maximum DC resistance is specified at 12 mΩ, ensuring efficient power delivery. It operates within a temperature range of -40°C to +125°C.

Fixed Inductors Feature Summary

• Shielded wire-wound design minimizes electromagnetic interference
• Metal composite core optimizes magnetic performance
• Compact 4040 footprint suitable for space-constrained layouts

Fixed Inductors Applications

• Power supply modules
• Point-of-load converters
• Server and AI infrastructure power systems

Fixed Inductors Procurement Notes

Verify the ordering suffix GM against the manufacturer's latest datasheet to confirm packaging type and tape specifications. Ensure the requested quantity aligns with standard reel sizes or cut-tape availability. Cross-reference the part number with the official Samsung Electro-Mechanics catalog to validate current production status and lead times before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when a 1.0 µH inductance value is required with high current handling capabilities up to 7 A. The low DCR of 12 mΩ makes it suitable for applications prioritizing efficiency. The shielded structure is essential for environments sensitive to EMI. Verify that the 4040 package dimensions fit the PCB silkscreen and clearance requirements.

Fixed Inductors Part Context

This part belongs to the CIGW series of power inductors manufactured by Samsung Electro-Mechanics. The series utilizes wire-wound technology with metal composite cores to deliver robust performance in SMD form factors. These components are designed for modern electronic equipment requiring reliable passive components in compact spaces.

Fixed Inductors Replacement Considerations

Consult the manufacturer's substitution guide for direct equivalents. Similar 4040 package inductors from other vendors may require verification of saturation current and DCR compatibility.