Needs validationmedium risk
A functional alternative with superior current handling and lower DCR, but in a much larger package.
Best Alternatives to VLS5045EX-100M
VLS5045EX-100M is a compact 10µH power inductor in a 5x5mm package. Finding a direct drop-in replacement is challenging; functional alternatives with higher current ratings are available but in larger packages.
AI replacement insight
Package riskhigh
All candidates are much larger than the 5x5mm target, requiring a new PCB layout.
Electrical risklow
Most candidates offer superior current ratings and lower DCR. Some have slightly higher DCR.
Can it be replaced directly?
No, a direct pin-compatible replacement for the VLS5045EX-100M has not been found in this analysis. All evaluated alternatives have significantly different package sizes requiring a board redesign.
Best replacement path
For new designs, parts like TMPA1265SP-100MN-D offer superior current handling but require a larger PCB area. For existing boards, no direct drop-in replacement has been identified among these candidates.
Main risk
The primary risk is the package mismatch. All candidates are physically larger and will not fit on the existing PCB footprint for the 5x5mm VLS5045EX-100M.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | VLS5045EX-100M | PSPMAA1040-100M-ANP | PSPMAA1040H-100M-ANP | SMDRI127-100MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 5.0x5.0mm | 11x10mm | 11x10mm | 12.3x12.3mm | 11x10mm / 12.3x12.3mm / 12.6x13.5mm — Significantly larger, requires PCB redesign.; PSPMAA1040H-100M-ANP: Significantly larger, requires PCB redesign.; SMDRI127-100MT: Significantly larger, requires PCB redesign.; TMPA1265SP-100MN-D: Significantly larger, requires PCB redesign. |
| Saturation Current A | 3.1 A | 10.0 A | 9.0 A | 9.0 A | 10.0 A / 9.0 A / 17.0 A — Much higher saturation current provides more headroom.; PSPMAA1040H-100M-ANP: Much higher saturation current provides more headroom.; SMDRI127-100MT: Much higher saturation current provides more headroom.; TMPA1265SP-100MN-D: Much higher saturation current provides more headroom. |
| Dcr Ohm | 0.061 Ω | 0.033 Ω | 0.032 Ω | 0.021 Ω | 0.033 Ω / 0.032 Ω / 0.021 Ω / 0.013 Ω — Lower DCR improves efficiency.; PSPMAA1040H-100M-ANP: Lower DCR improves efficiency.; SMDRI127-100MT: Significantly lower DCR improves efficiency.; TMPA1265SP-100MN-D: Significantly lower DCR improves efficiency. |
Application & sourcing insights
Questions & answers
The best alternative depends on your priority. For the highest electrical performance (current and DCR), TMPA1265SP-100MN-D is a strong choice, but it is very large. All listed candidates are functional upgrades but require a new PCB layout.