Is there a pin-compatible replacement for PSPMAA1040-100M-ANP?

PSPMAA1040H-100M-ANP has the same package and is considered form-fit compatible. However, it is not a direct functional replacement as its rated current (6A) and saturation current (9A) are lower than the target's (7A/10A). Using it carries a risk of overstress and requires careful analysis of your circuit's load.

What risks should I check before replacing PSPMAA1040-100M-ANP?

Before replacing, you must check two main risks. First, for functional alternatives like TMPA1265SP-100MN-D, verify the package dimensions and footprint, as they require a PCB redesign. Second, for the form-fit option PSPMAA1040H-100M-ANP, you must confirm that your application's maximum current draw is safely below the candidate's lower 6A rated and 9A saturation current limits.

PSPMAA1040-100M-ANP Alternatives, Datasheet & Cross Reference | PROD Technology Co., Ltd.

Finding a replacement for the PSPMAA1040-100M-ANP 10µH power inductor involves a trade-off. While several parts offer superior electrical performance, they often come in different packages. One form-fit option exists but with lower current ratings, requiring careful review.

AI replacement insight

Package riskhigh

Most alternatives have different footprints, preventing drop-in replacement.

Electrical riskhigh

The only form-fit option is a downgrade in current ratings, requiring careful engineering review.

Can it be replaced directly?

No direct, pin-compatible upgrade was found. PSPMAA1040H-100M-ANP is a form-fit match but has lower current ratings, posing a risk of overheating or saturation.

Best replacement path

If PCB redesign is possible, TMPA1265SP-100MN-D offers a significant electrical upgrade. If a drop-in is required, PSPMAA1040H-100M-ANP is form-fit but a downgrade, requiring careful load analysis.

Main risk

The primary risk is package mismatch for most alternatives, requiring a PCB layout change. For the form-fit option, the risk is electrical overstress due to lower current ratings.

Recommended alternatives

Electrical upgrade with higher current and lower DCR, but requires a new PCB layout due to a larger package.

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Alternative comparison matrix

Feature / factor	PSPMAA1040-100M-ANP	TMPA1265SP-100MN-D	PSPMAA1040H-100M-ANP	SMMS1350-100M	Compatibility / risk
Package	SMD, 11x10mm	SMD, 12.6mm x 13.5mm	SMD, 11x10mm	1350 (13.8x12.6mm)	SMD, 12.6mm x 13.5mm / SMD, 11x10mm / 1350 (13.8x12.6mm) — Package is larger and requires a different PCB footprint.; PSPMAA1040H-100M-ANP: Package dimensions and footprint appear identical.; SMMS1350-100M: Package is larger and requires a different PCB footprint.
Current	7.0 A	13.0 A	6.0 A	8.0 A	13.0 A / 6.0 A / 8.0 A — Rated current is significantly higher.; PSPMAA1040H-100M-ANP: Rated current is lower than target.; SMMS1350-100M: Rated current is higher. (From es_match 'Temperature Rise Current')
Saturation Current	10.0 A	17.0 A	9.0 A	12.0 A	17.0 A / 9.0 A / 12.0 A — Saturation current is significantly higher.; PSPMAA1040H-100M-ANP: Saturation current is lower than target.; SMMS1350-100M: Saturation current is higher.
Dcr	33 mΩ	13 mΩ	32 mΩ	20 mΩ	13 mΩ / 32 mΩ / 20 mΩ — DCR is much lower, improving efficiency.; PSPMAA1040H-100M-ANP: DCR is slightly lower, which is beneficial.; SMMS1350-100M: DCR is lower, improving efficiency.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. For an electrical upgrade where a PCB change is possible, TMPA1265SP-100MN-D is a strong choice with higher current ratings and lower DCR. If you need a part with the same footprint, PSPMAA1040H-100M-ANP is an option, but it has lower current ratings and must be carefully evaluated.