
A high-performance electrical upgrade with much higher current ratings, but in a different package.
SLO1040H100MTT is a 10µH power inductor from Sunltech. While no direct pin-compatible replacements are available, several functional alternatives and upgrade paths exist from other manufacturers that offer superior electrical performance but require a board redesign.
No candidates match the target's package. A board redesign is required for all functional or upgrade alternatives.
Some candidates are downgrades. Users must verify that Isat, Irms, and DCR meet or exceed application needs.
Multiple vendors offer electrically similar or superior parts, though package sizes vary.
Direct replacement for SLO1040H100MTT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best replacement path involves selecting an electrically superior 'upgrade_path' candidate like TMPA1265SP-100MN-D, which offers better performance but requires a PCB layout change.
The primary risk is mechanical incompatibility. All candidates require a PCB footprint change. Secondary risks involve selecting a part with lower current ratings.

A high-performance electrical upgrade with much higher current ratings, but in a different package.
| Feature / factor | SLO1040H100MTT | SMMS1770-100M | TMPA1265SP-100MN-D | FC-SE2918-100M-28A | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 10µH | 10µH | 10µH | 10µH | 10µH — Inductance value matches.; TMPA1265SP-100MN-D: Inductance value matches.; FC-SE2918-100M-28A: Inductance value matches.; FCH0650-100M: Inductance value matches. |
| Saturation Current | 8.5A | 25A | 17A | 32.1A | 25A / 17A / 32.1A / 6.5A — Significantly higher saturation current.; TMPA1265SP-100MN-D: Significantly higher saturation current.; FC-SE2918-100M-28A: Massively higher saturation current.; FCH0650-100M: Lower saturation current. |
| Rms Current | 5.5A | 16.5A | 13A | 30A | 16.5A / 13A / 30A / 6.0A — Significantly higher heat rating current.; TMPA1265SP-100MN-D: Significantly higher heat rating current.; FC-SE2918-100M-28A: Massively higher heat rating current.; FCH0650-100M: Slightly higher heat rating current. |
| Dcr | 27mΩ | 11.6mΩ | 13mΩ | 2.6mΩ | 11.6mΩ / 13mΩ / 2.6mΩ / 40.4mΩ — Lower DCR reduces power loss.; TMPA1265SP-100MN-D: Lower DCR reduces power loss.; FC-SE2918-100M-28A: Extremely low DCR minimizes power loss.; FCH0650-100M: Higher DCR will increase power loss. |
| Package | 1040 case (~10x10mm) | 1770 (~17x17mm) | 12.6x13.5mm | Unknown | 1770 (~17x17mm) / 12.6x13.5mm / Unknown / 7.5x6.8mm — Package size is different, requires layout change.; TMPA1265SP-100MN-D: Package size is different, requires layout change.; FC-SE2918-100M-28A: Package is different and dimensions must be verified from datasheet.; FCH0650-100M: Package size is different, requires layout change. |
Verified drop-in options for SLO1040H100MTT 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.