Needs validationmedium risk
Electrically superior alternative with higher current ratings and lower DCR, but in a larger package.
Best Alternatives to FCH1050-470M
Finding a substitute for the FCH1050-470M 47µH power inductor involves balancing electrical upgrades with physical compatibility. While no direct drop-in replacements are available, several functional alternatives offer superior current handling and efficiency but require a PCB redesign.
AI replacement insight
Package riskhigh
No candidates match the target's 11.5x10.5mm footprint. PCB redesign is required.
Electrical risklow
Most candidates are electrical upgrades. One candidate (CDRH127N-470M) is a downgrade and carries high electrical risk.
Sourcing risklow
Multiple vendors offer functionally similar parts, providing sourcing flexibility if the board is redesigned.
Can it be replaced directly?
No direct, pin-compatible replacement for the FCH1050-470M has been verified. All suitable alternatives require a change in the PCB layout due to different package dimensions.
Best replacement path
FCH1365-470M is the best upgrade path, offering superior current handling and efficiency from the same manufacturer, provided a PCB redesign for its larger package is feasible.
Main risk
The primary risk across all candidates is the physical package mismatch, which makes a board redesign mandatory for substitution.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | FCH1050-470M | FCH1365-470M | CYA1265-47UH | MDA1365-470M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 11.5x10.5mm | 1365 (13.0x12.9mm) | 1265 (12.5x12.5mm) | 1365 (13.0x12.9mm) | 1365 (13.0x12.9mm) / 1265 (12.5x12.5mm) / 1360 (13.5x12.9mm) — Larger footprint, requires PCB redesign.; CYA1265-47UH: Different footprint, requires PCB redesign.; MDA1365-470M: Larger footprint, requires PCB redesign.; SMMS1360-470M: Larger footprint, requires PCB redesign. |
| Inductance | 47 µH | 47 µH | 47 µH | 47 µH | 47 µH — matched; CYA1265-47UH: matched; MDA1365-470M: matched; SMMS1360-470M: matched |
| Current A | 4.0 A | 6.0 A | 5.5 A | 8.0 A | 6.0 A / 5.5 A / 8.0 A / 4.0 A — Higher RMS current rating provides more thermal margin.; CYA1265-47UH: Higher RMS current rating.; MDA1365-470M: Higher RMS current rating.; SMMS1360-470M: RMS current rating is identical. |
| Saturation Current A | 5.2 A | 7.0 A | 11.0 A | 7.6 A | 7.0 A / 11.0 A / 7.6 A / 6.0 A — Higher saturation current prevents inductance drop at peak loads.; CYA1265-47UH: Significantly higher saturation current.; MDA1365-470M: Higher saturation current.; SMMS1360-470M: Higher saturation current. |
| Dcr Ohm | 105 mΩ | 63 mΩ | 82 mΩ | 58 mΩ | 63 mΩ / 82 mΩ / 58 mΩ — Lower DCR improves efficiency by reducing copper losses.; CYA1265-47UH: Lower DCR improves efficiency.; MDA1365-470M: Lower DCR improves efficiency.; SMMS1360-470M: Lower DCR improves efficiency. |
Application & sourcing insights
Questions & answers
The best alternative is FCH1365-470M, which offers higher RMS current (6A vs 4A), higher saturation current (7A vs 5.2A), and lower DCR. However, it is in a larger package (13.0x12.9mm) and requires a PCB layout change.