FXC1040-100M
cjiang (Changjiang Microelectronics Tech)
Needs validationhigh risk
A functional alternative with similar electricals but a larger footprint, requiring board redesign.
Best Alternatives to FEXL0660A-100M
FEXL0660A-100M is a 10µH, 7A power inductor in a 6.6x6.4mm package. While no direct drop-in replacements have been identified, several functional alternatives with superior or similar electrical characteristics are available but require a PCB redesign due to larger footprints.
AI replacement insight
Package riskhigh
All candidates have a different footprint, requiring a mandatory PCB layout change.
Electrical risklow
The identified functional alternatives meet or exceed the key electrical specifications of the target part.
Can it be replaced directly?
No, a direct, drop-in replacement for FEXL0660A-100M was not identified in this review. All evaluated candidates have a different physical footprint, requiring a PCB layout change.
Best replacement path
Search for a 10µH inductor in a 6.6x6.4mm package with Isat ≥ 7.6A. If unavailable, a board redesign is needed to use a functional alternative like FXL1050-100-M.
Main risk
The primary risk is the package mismatch, which prevents a direct drop-in replacement and necessitates a board redesign.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | FEXL0660A-100M | FXC1040-100M | FXL1050-100-M | FXL1350-100-M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 10 µH | 10 µH | 10 µH | 10 µH | 10 µH — Inductance matches the target.; FXL1050-100-M: Inductance matches the target.; FXL1350-100-M: Inductance matches the target.; XR1265-100M: Inductance matches the target. |
| Saturation Current A | 7.6 A | 12.0 A | 8.8 A | 12.0 A | 12.0 A / 8.8 A / 12.5 A — Significantly higher saturation current.; FXL1050-100-M: Candidate has higher saturation current.; FXL1350-100-M: Significantly higher saturation current.; XR1265-100M: Significantly higher saturation current. |
| Current A | 7.0 A | 7.5 A | 7.0 A | 8.0 A | 7.5 A / 7.0 A / 8.0 A / 10.0 A — Slightly higher RMS current.; FXL1050-100-M: RMS current matches the target.; FXL1350-100-M: Higher RMS current.; XR1265-100M: Significantly higher RMS current. |
| Dcr Ohm | 29.82 mΩ | 30 mΩ | 28 mΩ | 22 mΩ | 30 mΩ / 28 mΩ / 22 mΩ / 20.7 mΩ — DCR is negligibly higher (worse).; FXL1050-100-M: DCR is slightly lower (better).; FXL1350-100-M: DCR is lower (better).; XR1265-100M: DCR is significantly lower (better). |
| Package | 6.6x6.4mm | 11.5x10.3mm | 11.5x10.0mm | 13.45x12.6mm | 11.5x10.3mm / 11.5x10.0mm / 13.45x12.6mm — Package is significantly larger and not a drop-in fit.; FXL1050-100-M: Package is significantly larger and not a drop-in fit.; FXL1350-100-M: Package is much larger and not a drop-in fit.; XR1265-100M: Package is much larger and not a drop-in fit. |
Application & sourcing insights
Questions & answers
The best functional alternative is FXL1050-100-M, which closely matches electrical specs. However, it has a larger package (11.5x10.0mm vs 6.6x6.4mm) and requires a board redesign.