Needs validationmedium risk
An electrical upgrade with higher current ratings and lower DCR, but in a larger package requiring a board redesign.
Best Alternatives to MWSA0603S-100MT
Sunlord MWSA0603S-100MT is a 10µH molded power inductor in a 6.6x7.0mm package, designed for high-current DC-DC converters. Finding a replacement requires matching inductance, current ratings, and DCR.
AI replacement insight
Electrical riskhigh
Many alternatives have lower current ratings (Irms) or higher DCR, risking overheating or inefficiency.
Package riskmedium
Several candidates have different package dimensions, requiring PCB footprint verification.
Sourcing risklow
Multiple vendors offer similar 10µH inductors, providing sourcing flexibility.
Can it be replaced directly?
No direct drop-in replacement with identical or better performance in the same package has been identified. Candidates require careful review of current ratings and package dimensions.
Best replacement path
Upgrade to PSPMAA0805-100M-ANP if board space allows; otherwise, evaluate SMMS0650-100M which requires footprint review.
Main risk
The primary risk is substituting with a part that has a lower heat rating current (Irms), which can lead to component failure.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | MWSA0603S-100MT | PSPMAA0805-100M-ANP | PSPMAA0603-100M-ANF | SMMS0650-100M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 10 µH | 10 µH | - | - | 10 µH — Inductance matches. |
| Package | 6.6mm x 7.0mm | 8.0mm x 8.5mm | - | - | 7.1mm x 6.6mm — Package dimensions differ, footprint verification required. |
| Current | 5.0 A | 6.0 A | - | - | 3.0 A — Rated current (Irms) is significantly lower. |
| Dcr | 68 mΩ | 30 mΩ | - | - | 105 mΩ — DC Resistance is higher, reducing efficiency. |
| Saturation Current | 5.5 A | 10.0 A | - | - | 7.0 A — Saturation current is higher. |
Application & sourcing insights
Questions & answers
For an electrical upgrade, consider PSPMAA0805-100M-ANP, but it has a larger package. For similar performance, SMMS0650-100M is a strong candidate but requires footprint verification. No direct drop-in upgrade has been identified.