Is there a pin-compatible replacement for SMMS0630-330M?

No pin-compatible, drop-in replacement has been verified. The closest candidate, SMMS0650-330M, shares the same 7.1mm x 6.6mm PCB footprint but is significantly taller (5.0mm vs. the original's ~3.0mm). You must verify mechanical clearance in your assembly.

What risks should I check before replacing SMMS0630-330M?

The primary risk is mechanical incompatibility. For SMMS0650-330M, confirm the 5.0mm height fits your design. For other functional alternates like MWSA1004S-330MT, you must account for a larger PCB footprint. Electrically, the alternatives have lower DCR, which is usually a positive but can slightly alter power supply loop dynamics in sensitive circuits.

SMMS0630-330M Alternatives, Datasheet & Cross Reference | SXN

SMMS0630-330M is a 33µH shielded power inductor for surface-mount applications. While no direct drop-in replacement has been identified, several functional alternatives offer superior electrical performance with different package dimensions that require engineering review.

AI replacement insight

Package riskhigh

No drop-in package match found. Alternatives are either taller or have a larger footprint.

Electrical risklow

Viable alternatives offer improved current handling and lower DCR, which is generally beneficial.

Can it be replaced directly?

No verified direct drop-in replacement exists. SMMS0650-330M from the same manufacturer is the closest option, sharing the same PCB footprint but with a significantly taller profile that requires mechanical verification.

Best replacement path

Upgrade to SMMS0650-330M for better electricals if height allows, or redesign for MWSA1004S-330MT for a major performance boost.

Main risk

Package incompatibility, specifically the height of closer alternatives or the larger footprint of functional upgrades.

Recommended alternatives

An electrical upgrade with higher current and lower DCR, but requires verification of its taller package height.

View details

Alternative comparison matrix

Feature / factor	SMMS0630-330M	SMMS0650-330M	MWSA1004S-330MT	Compatibility / risk
Inductance	33 µH	33 µH	33 µH	33 µH — Inductance matches the target value.; MWSA1004S-330MT: Inductance matches the target value.
Saturation Current	2.5 A	3.3 A	4.8 A	3.3 A / 4.8 A — Higher saturation current provides more margin.; MWSA1004S-330MT: Significantly higher saturation current provides substantial margin.
Dcr	250 mΩ	150 mΩ	160 mΩ	150 mΩ / 160 mΩ — Lower DCR improves efficiency.; MWSA1004S-330MT: Lower DCR improves efficiency.
Package	7.1x6.6x3.0 mm	7.1x6.6x5.0 mm	11.5x10.0x4.0 mm	7.1x6.6x5.0 mm / 11.5x10.0x4.0 mm — Same footprint but significantly taller (5.0mm vs ~3.0mm).; MWSA1004S-330MT: Much larger footprint requires PCB redesign.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. If you can accommodate a taller component, SMMS0650-330M offers higher current and lower resistance in the same footprint. If you are redesigning the PCB and need maximum performance, MWSA1004S-330MT is a strong but larger option.