Is there a pin-compatible replacement for SMMS1050-470M?

Yes, FCH1050-470M from Fangcheng Electronics is a pin-compatible replacement. It has the same inductance and a compatible footprint, with higher current ratings.

What risks should I check before replacing SMMS1050-470M?

First, verify the package and PCB footprint compatibility. While FCH1050-470M is a close match, always check datasheet dimensions. For other alternatives, a board redesign is required. Also, confirm the higher current ratings and lower DCR meet your circuit's needs.

SMMS1050-470M Alternatives, Datasheet & Cross Reference | SXN

Find replacements for the SMMS1050-470M, a 47µH power inductor. We've identified a pin-compatible alternative and several functional upgrades that offer higher current ratings.

AI replacement insight

Electrical risklow

Most candidates offer superior current handling and lower DCR.

Package riskhigh

Only one candidate is pin-compatible; others require a board redesign.

Sourcing risklow

Multiple vendors offer suitable functional alternatives.

Can it be replaced directly?

Yes, FCH1050-470M is a pin-compatible replacement for SMMS1050-470M. It offers improved current handling and has a nearly identical footprint.

Best replacement path

FCH1050-470M is a strong pin-compatible alternative with higher current ratings and similar DCR.

Main risk

The main risk is package incompatibility. Most alternatives require a board redesign, so verifying the footprint is critical.

Recommended alternatives

Pin-compatible alternative with higher current ratings and lower DCR.

View details

Alternative comparison matrix

Feature / factor	SMMS1050-470M	FCH1050-470M	FCH1365-470M	SMMS1360-470M	Compatibility / risk
Inductance	47µH	47µH	47µH	47µH	47µH — Matches target value.; FCH1365-470M: Matches target value.; SMMS1360-470M: Matches target value.
Saturation Current A	4.5A	5.2A	7.0A	6.0A	5.2A / 7.0A / 6.0A — Higher saturation current provides more margin.; FCH1365-470M: Higher saturation current.; SMMS1360-470M: Higher saturation current.
Current A	3.0A	4.0A	-	-	4.0A — Higher RMS current rating.
Dcr Ohm	110mΩ	105mΩ	63mΩ	58mΩ	105mΩ / 63mΩ / 58mΩ — Lower DCR improves efficiency.; FCH1365-470M: Significantly lower DCR.; SMMS1360-470M: Significantly lower DCR improves efficiency.
Package	11.5x10.2mm	11.5x10.5mm	1365	1360	11.5x10.5mm / 1365 / 1360 — Footprint is compatible per datasheet review.; FCH1365-470M: Different package requires board redesign.; SMMS1360-470M: Different package requires board redesign.

Application & sourcing insights

Questions & answers

FCH1050-470M is the best alternative, offering pin-compatibility and improved electrical performance. For new designs, parts like SMMS1360-470M offer even better performance in a different package.