TMPA1265SP-100MN-D
TAI-TECH
Needs validationhigh risk
A high-performance functional alternative with vastly superior current and DCR ratings in a much larger package.
Best Alternatives to SWPA4026S100MT
Finding a substitute for the Sunlord SWPA4026S100MT, a 10µH power inductor in a 4x4mm package, requires careful consideration of physical and electrical parameters. While no direct drop-in replacements were found, several functional alternatives exist that may require a board redesign.
AI replacement insight
Package riskhigh
No candidates match the 4.0x4.0x2.6mm package. A PCB redesign is mandatory.
Electrical riskmedium
Some candidates have higher DCR, impacting efficiency. Others have different temperature ranges. These must be verified for the application.
Can it be replaced directly?
Direct replacement for SWPA4026S100MT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a performance upgrade with more board space, VLS5045EX-100M offers higher current and lower DCR. For automotive applications, TFM322512ALMA100MTAA is a suitable, smaller option if higher DCR is acceptable.
Main risk
The primary risk is the package mismatch. All potential alternatives require a board redesign, as none share the target's 4.0x4.0mm footprint.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | SWPA4026S100MT | TMPA1265SP-100MN-D | VLS5045EX-100M | TFM322512ALMA100MTAA | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4.0x4.0x2.6mm | 12.6x13.5x6.5mm | 5.0x5.0x4.5mm | 3.2x2.5x1.2mm | 12.6x13.5x6.5mm / 5.0x5.0x4.5mm / 3.2x2.5x1.2mm / 3.0x3.0x1.2mm — Vastly larger package.; VLS5045EX-100M: Larger footprint and height.; TFM322512ALMA100MTAA: Smaller, different aspect ratio.; VLS3012CX-100M-1: Smaller footprint and height. |
| Current | 1.0A | 17.0A | 3.1A | 1.2A | 17.0A / 3.1A / 1.2A / 1.12A — Isat; VLS5045EX-100M: Isat; TFM322512ALMA100MTAA: Irms/Itemp; VLS3012CX-100M-1: Irms/Itemp |
| Dcr Ohm | 0.165Ω | 0.013Ω | 0.061Ω | 0.36Ω | 0.013Ω / 0.061Ω / 0.36Ω / 0.324Ω — Extremely low DCR.; VLS5045EX-100M: Lower DCR improves efficiency.; TFM322512ALMA100MTAA: Higher DCR reduces efficiency.; VLS3012CX-100M-1: Higher DCR reduces efficiency. |
| Application | Commercial | - | - | AEC-Q200 | AEC-Q200 — Automotive grade. |
| Temperature | -40 to +125°C | - | - | - | -40 to +105°C — Reduced max operating temperature. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SWPA4026S100MT 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.