Needs validationhigh risk
High-performance functional alternative with lower resistance and higher current, but requires a larger board area.
Best Alternatives to SWPA5040S101MT
SWPA5040S101MT is a 100µH shielded power inductor in a 5040 package. While no direct pin-compatible replacements have been identified, several functional alternatives exist with similar or better electrical performance but require PCB layout changes due to different package s...
AI replacement insight
Package riskhigh
No candidates match the 5040 (5.0x5.0mm) package.
Electrical risklow
Most candidates offer superior or similar electrical performance.
Can it be replaced directly?
No direct drop-in replacement found. All candidates require board layout changes.
Best replacement path
Redesign the PCB for a functional alternative like PSPMAA0805-101M-ANP, which offers superior electrical characteristics in a larger package.
Main risk
Package incompatibility is the main risk, as no alternatives share the 5.0x5.0mm footprint of the target part.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | SWPA5040S101MT | PSPMAA0805-101M-ANP | SMDRI127-101MT | SWPA6045S101MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 5.0x5.0x4.0mm | 8.0x8.0x5.0mm | 12.3x12.3x8.0mm | 6.0x6.0x4.5mm | 8.0x8.0x5.0mm / 12.3x12.3x8.0mm / 6.0x6.0x4.5mm / 7.3x6.6x5.0mm — Candidate is larger and requires PCB redesign.; SMDRI127-101MT: Candidate is substantially larger and requires PCB redesign.; SWPA6045S101MT: Candidate is larger and requires PCB redesign.; SMMS0650-101M: Candidate is significantly larger and requires PCB redesign. |
| Inductance | 100µH | 100µH | 100µH | 100µH | 100µH — Inductance matches the target value.; SMDRI127-101MT: Inductance matches the target value.; SWPA6045S101MT: Inductance matches the target value.; SMMS0650-101M: Inductance matches the target value. |
| Saturation Current A | 0.75A | 3.0A | 3.5A | 0.95A | 3.0A / 3.5A / 0.95A / 2.0A — Vastly superior saturation current.; SMDRI127-101MT: Vastly superior saturation current.; SWPA6045S101MT: Higher saturation current provides more margin.; SMMS0650-101M: Significantly higher saturation current. |
| Dcr Ohm | 0.56Ω typ | 0.272Ω | 0.22Ω max | 0.563Ω max | 0.272Ω / 0.22Ω max / 0.563Ω max / 0.595Ω typ — Significantly lower DCR reduces power loss.; SMDRI127-101MT: Significantly lower DCR reduces power loss.; SWPA6045S101MT: Slightly higher max DCR may increase losses.; SMMS0650-101M: Higher DCR increases power loss. |
Application & sourcing insights
Questions & answers
The best alternative depends on design priorities. For superior electrical performance, PSPMAA0805-101M-ANP offers lower DCR and higher current but in a larger 8x8mm package. All functional alternatives require a board redesign.