Is there a pin-compatible replacement for SMMS0630-3R3M?

No direct pin-compatible replacement has been verified. All identified alternatives have different package sizes and will not fit the same PCB footprint without modification.

What risks should I check before replacing SMMS0630-3R3M?

The primary risk is physical incompatibility; check package dimensions and PCB footprint. Also, verify that the alternative's saturation (Isat) and thermal (Irms) current ratings meet or exceed your application's requirements.

SMMS0630-3R3M Alternatives, Datasheet & Cross Reference | SXN

SMMS0630-3R3M is a 3.3µH shielded power inductor in a 0630 package, rated for 9.5A saturation current. While no direct pin-compatible replacements are identified, several functional alternatives with superior current ratings are available in larger packages.

AI replacement insight

Package riskhigh

No candidates match the 0630 package, requiring PCB redesign.

Electrical risklow

Most alternatives offer superior current and DCR ratings.

Can it be replaced directly?

No direct drop-in replacement found. All candidates require a board redesign due to different package sizes.

Best replacement path

Upgrade to a larger footprint inductor like SMMS1040-3R3M for improved current handling and efficiency, if board space allows.

Main risk

Package mismatch is the main risk, preventing direct substitution.

Recommended alternatives

A functional alternative with superior current ratings but requires a larger PCB footprint.

View details

Alternative comparison matrix

Feature / factor	SMMS0630-3R3M	MWSA1004S-3R3MT	PSPMAA1040H-3R3M-ANP	SMMS1040-3R3M	Compatibility / risk
Package	0630	1004	1040H	1040	1004 / 1040H — Larger footprint, requires PCB redesign.; PSPMAA1040H-3R3M-ANP: Larger footprint, requires PCB redesign.; SMMS1040-3R3M: Larger footprint, requires PCB redesign.
Saturation Current A	9.5 A	16.0 A	16.0 A	16.0 A	16.0 A — Higher saturation current provides more margin.; PSPMAA1040H-3R3M-ANP: Higher saturation current provides more margin.; SMMS1040-3R3M: Higher saturation current provides more margin.
Current A	7.0 A	7.96 A	10.0 A	10.0 A	7.96 A / 10.0 A — Slightly higher thermal current rating.; PSPMAA1040H-3R3M-ANP: Higher thermal current rating.; SMMS1040-3R3M: Higher thermal current rating.
Dcr Ohm	24.5 mΩ	16.0 mΩ	12.0 mΩ	10.8 mΩ	16.0 mΩ / 12.0 mΩ / 10.8 mΩ — Lower DCR improves efficiency.; PSPMAA1040H-3R3M-ANP: Lower DCR improves efficiency.; SMMS1040-3R3M: Lower DCR improves efficiency.
Inductance	3.3 µH	-	-	3.3 µH	3.3 µH — Inductance value matches.

Application & sourcing insights

Questions & answers

Several functional alternatives like SMMS1040-3R3M offer higher current ratings and lower resistance, but come in larger packages (e.g., 1040). These require PCB layout changes but can improve performance.