MWSA1004S-3R3MT
Sunlord
Needs validationhigh risk
High-performance functional alternative with much higher current and lower DCR, but in a larger package.
Best Alternatives to VLS5045EX-3R3N
VLS5045EX-3R3N is a 3.3µH, 5.2A shielded power inductor in a 5.0x5.0mm package. While no direct drop-in replacements were found, several functional alternatives with higher current ratings are available if a PCB redesign is possible.
AI replacement insight
Package riskhigh
All candidates have different footprints, requiring a board redesign.
Electrical risklow
Candidates offer superior current handling and often lower DCR, but verify transient response.
Can it be replaced directly?
Direct replacement for VLS5045EX-3R3N should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Redesign the PCB for a larger, higher-current inductor like TDK's SPM6530T-3R3M or Sunlord's MWSA1004S-3R3MT.
Main risk
Package mismatch is the main risk, requiring a mandatory PCB redesign for any of the proposed alternatives.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | VLS5045EX-3R3N | MWSA1004S-3R3MT | PSPMAA1040H-3R3M-ANP | SPM6530T-3R3M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 5.0mm x 5.0mm | 10.0mm x 11.5mm | 10.2mm x 11.0mm | 7.1mm x 6.5mm | 10.0mm x 11.5mm / 10.2mm x 11.0mm / 7.1mm x 6.5mm — Significantly larger, requires PCB redesign.; PSPMAA1040H-3R3M-ANP: Significantly larger, requires PCB redesign.; SPM6530T-3R3M: Requires PCB redesign. |
| Inductance | 3.3 µH | 3.3 µH | 3.3 µH | 3.3 µH | 3.3 µH — Inductance matches.; PSPMAA1040H-3R3M-ANP: Inductance matches.; SPM6530T-3R3M: Inductance matches. |
| Saturation Current A | 5.2 A | 16.0 A | 16.0 A | 7.3 A | 16.0 A / 7.3 A — Significantly higher saturation current.; PSPMAA1040H-3R3M-ANP: Significantly higher saturation current.; SPM6530T-3R3M: Higher saturation current provides more margin. |
| Dcr Ohm | 27.0 mΩ | 16.0 mΩ | 12.0 mΩ | 29.7 mΩ | 16.0 mΩ / 12.0 mΩ / 29.7 mΩ — Lower DCR reduces power loss.; PSPMAA1040H-3R3M-ANP: Much lower DCR reduces power loss.; SPM6530T-3R3M: Slightly higher DCR increases power loss. |
| Current A | 4.2 A | - | - | 6.8 A | 6.8 A — Higher temp-rise current rating. |
Application & sourcing insights
Questions & answers
Verified drop-in options for VLS5045EX-3R3N are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.