Needs validationmedium risk
A potential replacement in the same 1040 package with higher current ratings but increased DCR.
Best Alternatives to SMMS1040-220M
Find and compare replacements for the SMMS1040-220M, a 22µH shielded power inductor. This guide analyzes alternatives based on package compatibility, current ratings, and other key electrical parameters.
AI replacement insight
Electrical riskmedium
Candidates may have lower current ratings (Isat/Irms) or higher DCR, impacting performance and reliability.
Package riskhigh
Many alternatives are in different packages and require a PCB redesign to use.
Sourcing risklow
Multiple vendors produce similar inductors, offering sourcing flexibility.
Can it be replaced directly?
Yes, PSPMAA1040H-220M-ANP is a potential direct replacement with a matching package and higher current ratings, but its DC resistance is higher, which may affect efficiency.
Best replacement path
PSPMAA1040H-220M-ANP is the most promising path due to its matching package and superior current ratings, despite a higher DCR.
Main risk
The primary risks are using a part with a different physical package or one with lower current ratings (especially saturation current), which can lead to circuit failure.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | SMMS1040-220M | PSPMAA1040H-220M-ANP | SMMS1360-220M | SMMS1770-220M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1040 | 1040 (11.5mm x 10.0mm) | 1360 | 1770 (17.50mm x 17.15mm) | 1040 (11.5mm x 10.0mm) / 1360 / 1770 (17.50mm x 17.15mm) — Package name matches, likely form-fit compatible.; SMMS1360-220M: Different package, not a drop-in replacement.; SMMS1770-220M: Different, much larger package. Requires PCB redesign.; MCMB-1040-220MT: Package name matches, likely form-fit compatible. |
| Inductance H | 22µH | 22µH | 22µH | - | 22µH — matched; SMMS1360-220M: matched |
| Saturation Current A | 6.0A | 7.0A | 8.0A | 23.0A | 7.0A / 8.0A / 23.0A / 4.4A — Candidate has higher saturation current.; SMMS1360-220M: Superior saturation current.; SMMS1770-220M: Vastly superior saturation current.; MCMB-1040-220MT: Significantly lower saturation current poses a high risk of circuit failure. |
| Current A | 4.0A | 4.5A | 5.0A | 11.0A | 4.5A / 5.0A / 11.0A / 4.2A — Candidate has higher RMS current rating.; SMMS1360-220M: Superior RMS current.; SMMS1770-220M: Vastly superior RMS current.; MCMB-1040-220MT: RMS current is comparable. |
| Dcr Ohm | 66mΩ max | 90mΩ | 34mΩ | 25.1mΩ | 90mΩ / 34mΩ / 25.1mΩ / 66mΩ max — Candidate has higher DCR, leading to slightly lower efficiency.; SMMS1360-220M: Significantly lower DCR improves efficiency.; SMMS1770-220M: Significantly lower DCR improves efficiency.; MCMB-1040-220MT: DCR is comparable. |
Application & sourcing insights
Questions & answers
The best alternative for SMMS1040-220M is likely PSPMAA1040H-220M-ANP. It shares the same 1040 package and offers higher saturation and RMS current ratings, though its DC resistance is slightly higher.