MWSA1004S-150MT
Sunlord
Needs validationmedium risk
A high-performance functional alternative with much better electricals, but in a larger package.
Best Alternatives to SWPA6045S150MT
Finding a substitute for the Sunlord SWPA6045S150MT 15µH power inductor involves considering several functional alternatives. While no direct pin-compatible replacements are available, several options offer upgraded electrical performance if a PCB redesign is feasible.
AI replacement insight
Package riskhigh
All candidates have different footprints, requiring mandatory PCB redesign.
Electrical risklow
Most candidates offer superior or comparable electrical performance. Some have higher DCR, which needs review.
Sourcing risklow
Multiple vendors offer functionally similar parts, providing sourcing flexibility for new designs.
Can it be replaced directly?
There are no direct, pin-compatible replacements for SWPA6045S150MT among the candidates reviewed. All alternatives require a PCB layout change.
Best replacement path
For performance upgrades, FCH0650-150M and MWSA1004S-150MT offer superior current handling and lower DCR, but require board redesign due to larger packages. No direct drop-in replacements were identified.
Main risk
The primary risk is the package mismatch. All potential substitutes have different physical footprints, making them incompatible with existing PCB layouts for SWPA6045S150MT.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | SWPA6045S150MT | MWSA1004S-150MT | FCH0650-150M | SMMS0650-150M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 15µH | 15µH | 15µH | 15µH | 15µH — Inductance matches target.; FCH0650-150M: Inductance matches target.; SMMS0650-150M: Inductance matches target.; SLO0630H150MTT: Inductance matches target. |
| Saturation Current A | 2.7A | 6.5A | 5.5A | 5.0A | 6.5A / 5.5A / 5.0A — Significantly higher saturation current.; FCH0650-150M: Higher saturation current provides more headroom.; SMMS0650-150M: Higher saturation current provides more headroom.; SLO0630H150MTT: Higher saturation current. |
| Current A | 2.05A | 5.6A | 3.0A | 4.0A | 5.6A / 3.0A / 4.0A — Significantly higher RMS current rating.; FCH0650-150M: Higher RMS current rating.; SMMS0650-150M: Higher RMS current rating reduces risk of overheating.; SLO0630H150MTT: Higher RMS current rating. |
| Dcr Ohm | 105mΩ max | 65mΩ | 54mΩ | 77mΩ | 65mΩ / 54mΩ / 77mΩ / 115mΩ — Lower DCR improves efficiency.; FCH0650-150M: Lower DCR improves efficiency.; SMMS0650-150M: Lower DCR improves efficiency.; SLO0630H150MTT: Higher DCR may reduce efficiency. |
| Package | 6045 (6.0x6.0mm) | 1004 (10.0x11.5mm) | 0650 (7.0x6.6mm) | 0650 (7.0x6.6mm) | 1004 (10.0x11.5mm) / 0650 (7.0x6.6mm) / 0630 (7.4x6.6mm) — Much larger footprint requires significant PCB redesign.; FCH0650-150M: Different footprint requires PCB redesign.; SMMS0650-150M: Different footprint requires PCB redesign.; SLO0630H150MTT: Different footprint requires PCB redesign. |
| Temperature | -40°C to +125°C | - | - | - | -55°C to +150°C — Wider operating temperature range. |
Application & sourcing insights
Questions & answers
The best alternative depends on design constraints. For the best electrical performance, MWSA1004S-150MT is a strong upgrade but is much larger. FCH0650-150M offers a good balance of improved performance and a moderately larger package. Both require a PCB redesign.