SWPA4030S100MT
Sunlord
Needs validationmedium risk
SWPA4030S100MT is a close 10uH functional alternative with package review needed.
Best Alternatives to CY43-10UH
CY43-10UH is a 10uH SMD power inductor in a 4.5x4.0mm class package. Alternatives need footprint, current, DCR, and temperature review.
AI replacement insight
Electrical riskmedium
target Isat is missing
Package riskhigh
no exact package match
Firmware risklow
passive part
Sourcing riskmedium
some lifecycles unstated
Can it be replaced directly?
Direct replacement for CY43-10UH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with SWPA4030S100MT, then verify pad fit, height, saturation current, and temperature range.
Main risk
Footprint and land pattern are not verified for any candidate.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | CY43-10UH | SWPA4030S100MT | WPN4020H100MT | MWSA0503S-100MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4.5x4.0mm | 4030 | - | - | 5.2x5.4x2.8mm — larger body |
| Pinout | 2 pins | 2 pins | - | - | 2 pins — pad layout unverified |
| Current | 1.0A IDC | 1.5A Irms, 1.95A Isat | - | - | 2.35A Irms, 2.8A Isat — higher rating |
| Resistance | 150mohm | 130mohm typ | - | - | 180mohm — more loss |
| Temperature | -55 to 125C | -40 to 125C | - | - | -40 to 125C — low-temp gap |
Application & sourcing insights
Questions & answers
Verified drop-in options for CY43-10UH 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.