MWSA1004S-220MT
Sunlord
Needs validationmedium risk
A high-performance functional alternative, but in a much larger package.
Best Alternatives to SWPA4030S220MT
SWPA4030S220MT is a 22µH shielded power inductor in a 4x4mm package. While no direct pin-compatible replacements are confirmed, several functional alternatives with similar or better electrical performance are available but require PCB layout changes.
AI replacement insight
Package riskhigh
All identified alternatives have different footprints, requiring a PCB revision.
Electrical risklow
Most candidates are electrically superior. One has higher DCR, which needs evaluation.
Can it be replaced directly?
No direct drop-in replacement is available due to package differences.
Best replacement path
Functional alternatives with superior electricals but larger packages (e.g., SMMS0650-220M).
Main risk
Mechanical incompatibility requiring PCB redesign.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | SWPA4030S220MT | MWSA1004S-220MT | SLO0630H220MTT | SMMS0630-220M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 22µH | 22µH | 22µH | 22µH | 22µH — Inductance matches target.; SLO0630H220MTT: Inductance matches target.; SMMS0630-220M: Inductance matches target.; SMMS0650-220M: Inductance matches target. |
| Current | 1.3A | 5.5A | 3.2A | 3.5A | 5.5A / 3.2A / 3.5A / 4.0A — Massively higher saturation current.; SLO0630H220MTT: Significantly higher saturation current.; SMMS0630-220M: Significantly higher saturation current.; SMMS0650-220M: Significantly higher saturation current. |
| Resistance | 0.225Ω | 0.066Ω | 0.139Ω | 0.126Ω | 0.066Ω / 0.139Ω / 0.126Ω / 0.125Ω — Much lower DCR improves efficiency.; SLO0630H220MTT: Lower DCR improves efficiency.; SMMS0630-220M: Lower DCR improves efficiency.; SMMS0650-220M: Lower DCR improves efficiency. |
| Package | 4030 (4x4mm) | 1004 (10x11.5mm) | 0630 (7.0x6.6mm) | 0630 (7.0x6.6mm) | 1004 (10x11.5mm) / 0630 (7.0x6.6mm) / 0650 (7.4x6.8mm) — Vastly larger package, not a drop-in.; SLO0630H220MTT: Significantly larger package, not a drop-in.; SMMS0630-220M: Significantly larger package, not a drop-in.; SMMS0650-220M: Significantly larger package, not a drop-in. |
| Temperature | -40°C to +125°C | - | -55°C to +150°C | - | -55°C to +150°C — Wider operating temperature range. |
Application & sourcing insights
Questions & answers
Candidates like SMMS0650-220M offer superior current handling and lower DCR, but in a larger package. SMMS0420-220M is closer in size but has higher DCR. The best choice depends on your space vs. efficiency trade-offs.