SER2918H-682KL

Fixed Inductors Overview

The Coilcraft SER2918H-682KL is a shielded surface-mount power inductor from the SER2900 series, featuring a ferrite core and wirewound construction. It provides an inductance of 6.8 µH with a tolerance of ±10%. The component supports a maximum DC current of 28 A and reaches saturation at 45.9 A. Its maximum DC resistance is 2.86 mΩ, with a self-resonant frequency of 25 MHz. Physical dimensions are 27.9 mm x 19.8 mm x 17.78 mm. It operates between -40°C and +85°C and holds AEC-Q200 qualification for automotive use.

Fixed Inductors Feature Summary

• Shielded design utilizing a ferrite core to minimize electromagnetic interference
• AEC-Q200 qualified for reliability in automotive electronic environments
• Tin-silver over copper terminations for enhanced solderability and corrosion resistance

Fixed Inductors Applications

• Automotive power supply circuits
• On-board charger (OBC) systems
• DC-DC converter modules

Fixed Inductors Procurement Notes

Verify specific ordering suffixes against official Coilcraft documentation to ensure correct tolerance and termination specifications. Confirm that the requested part matches the required inductance value and current ratings for the target application. Check regional availability through authorized distributors as stock levels may vary. Ensure compliance with RoHS directives if applicable to the project requirements.

Fixed Inductors Selection Notes

Select this component when high current handling and low DC resistance are critical for efficiency. The shielded structure is suitable for applications requiring strict EMI control. Verify that the physical footprint fits the PCB layout constraints. Consider the saturation current limit relative to peak load conditions to prevent performance degradation during transient states.

Fixed Inductors Part Context

This part belongs to the SER2900 series of high-current shielded power inductors manufactured by Coilcraft. The series is designed for demanding power management applications where space is limited but high performance is required. The SER2918H variant specifically denotes the physical size and construction type within this product family.

Fixed Inductors Replacement Considerations

Cross-reference with other SER2918H variants having different inductance values if electrical parameters differ. Verify compatibility with alternative manufacturers' high-current shielded inductors by comparing DCR, saturation current, and physical dimensions.