Is there a pin-compatible replacement for MDA1365-470M?

FCH1365-470M is a pin-compatible option in the same 1365 package, but it is a downgrade with lower current ratings and higher resistance. It requires careful engineering review before use.

What risks should I check before replacing MDA1365-470M?

Key risks include package mismatch requiring a new PCB layout, lower saturation (Isat) or RMS (Irms) current ratings causing overheating or failure, and higher DC resistance (DCR) reducing efficiency.

MDA1365-470M Alternatives, Datasheet & Cross Reference | AI-SENSING

Finding a substitute for the MDA1365-470M 47µH power inductor involves matching its 1365 package and key electrical ratings. Careful review of current ratings and DC resistance is critical for performance.

AI replacement insight

Electrical riskmedium

Candidates may have lower current ratings or higher resistance.

Package riskhigh

Some functional alternatives are in different packages, requiring a board spin.

Can it be replaced directly?

No direct, equivalent drop-in replacement is available. FCH1365-470M is a form-fit downgrade, requiring validation.

Best replacement path

Review FCH1365-470M for applications that can tolerate lower current ratings, or consider a board redesign for the electrically superior SMMS1770-470M.

Main risk

The primary risk is performance degradation due to lower current ratings or the need for a board redesign due to package differences.

Recommended alternatives

Electrically superior alternative with higher current ratings, but in a different, larger package.

View details

Alternative comparison matrix

Feature / factor	MDA1365-470M	SMMS1770-470M	FCH1365-470M	Compatibility / risk
Package	1365	1770	1365	1770 / 1365 — Larger package requires PCB redesign.; FCH1365-470M: Package matches, likely pin-compatible.
Inductance	47µH	47µH	47µH	47µH — matched; FCH1365-470M: matched
Saturation Current	7.6A	16.0A	7.0A	16.0A / 7.0A — Significantly higher current handling.; FCH1365-470M: Lower saturation current may cause issues under peak loads.
Rms Current	8.0A	8.7A	6.0A	8.7A / 6.0A — Higher RMS current rating.; FCH1365-470M: Lower RMS current rating, risk of overheating.
Dcr	58mΩ	48mΩ	63mΩ	48mΩ / 63mΩ — Lower DCR improves efficiency.; FCH1365-470M: Higher DCR will reduce efficiency.

Application & sourcing insights

Questions & answers

No direct drop-in replacement has been identified. FCH1365-470M shares the package but has lower current ratings, while SMMS1770-470M is electrically superior but requires a larger PCB footprint.