Is there a pin-compatible replacement for SLO1040H150MTT?

Currently, no pin-for-pin compatible replacement has been verified. All reviewed alternatives have different physical dimensions, preventing a direct drop-in replacement without board modification.

What risks should I check before replacing SLO1040H150MTT?

First, verify the physical footprint and height clearance of any alternative. Second, confirm the candidate's operating temperature range meets your system's requirements. Finally, test the alternative in-circuit to ensure its electrical characteristics do not negatively impact efficiency or stability.

SLO1040H150MTT Alternatives, Datasheet & Cross Reference | Sunltech

SLO1040H150MTT is a 15µH shielded power inductor for DC-DC converters. When seeking alternatives, focus on matching the 7A saturation current, low DCR, and 10.8x10.0mm footprint.

AI replacement insight

Package riskhigh

All viable alternatives have a different, often larger, footprint, requiring board redesign.

Electrical riskmedium

Candidates have reduced temperature ratings that must be checked against application requirements.

Sourcing risklow

Alternatives are from different manufacturers, which may improve supply chain resilience.

Can it be replaced directly?

No direct pin-compatible replacement has been identified. Several functional alternatives exist with superior current ratings but differ in package size and temperature range, requiring design verification.

Best replacement path

functional_alternate

Main risk

The primary risk is physical incompatibility due to different package sizes. Secondary risks include reduced operating temperature range and unverified performance in the target application.

Recommended alternatives

A functional alternative with closely matched electricals, but its larger package and reduced temperature range require design review.

View details

Alternative comparison matrix

Feature / factor	SLO1040H150MTT	SMDRI127-150MT	SMMS1770-150M	FCH1365-150M	Compatibility / risk
Package	10.8mm x 10.0mm	12.3mm x 12.3mm	1770 (unverified dims)	13.7mm x 12.8mm	12.3mm x 12.3mm / 1770 (unverified dims) / 13.7mm x 12.8mm — Physically larger package, not a drop-in fit.; SMMS1770-150M: Package code differs, likely not a drop-in fit.; FCH1365-150M: Significantly larger package, not a drop-in fit.
Saturation Current A	7.0A	8.0A	25.0A	12.0A	8.0A / 25.0A / 12.0A — Slightly higher saturation current.; SMMS1770-150M: Significantly higher saturation current is a major upgrade.; FCH1365-150M: Significantly higher saturation current.
Current A	4.5A	4.5A	Missing	10.0A	4.5A / Missing / 10.0A — Heat rating current (Idc) matches.; SMMS1770-150M: Heat rating current (Idc) is not specified.; FCH1365-150M: Significantly higher heat rating current.
Dcr Ohm	32mΩ	27mΩ	18.8mΩ	30mΩ	27mΩ / 18.8mΩ / 30mΩ — Lower DCR improves efficiency.; SMMS1770-150M: Lower DCR improves efficiency.; FCH1365-150M: Slightly lower DCR.
Temperature	-55°C to +150°C	-40°C to +125°C	-55°C to +125°C	Missing	-40°C to +125°C / -55°C to +125°C / Missing — Narrower operating temperature range.; SMMS1770-150M: Reduced maximum operating temperature.; FCH1365-150M: Operating temperature range is not specified.

Application & sourcing insights

Questions & answers

Candidates like SMDRI127-150MT offer similar or better electrical performance (15µH, 8A Isat, 4.5A Idc) but come in a larger package (12.3x12.3mm) and have a lower max temperature. Board layout changes are likely required.