Is there a pin-compatible replacement for PSPMAA1040H-220M-ANP?

SMMS1040-220M uses the same `1040` package, making it a likely form-fit match. However, its lower saturation (6A vs 7A) and RMS (4A vs 4.5A) currents mean it is not a direct drop-in replacement and requires electrical verification.

What risks should I check before replacing PSPMAA1040H-220M-ANP?

Key risks include: 1) Package size and PCB footprint mismatch. 2) Lower saturation current (Isat), which can cause inductance to drop under peak loads. 3) Lower RMS current (Irms), which can lead to overheating. Always verify these in your application.

PSPMAA1040H-220M-ANP Alternatives, Datasheet & Cross Reference | PROD Technology Co., Ltd.

Finding a replacement for the PROD PSPMAA1040H-220M-ANP 22µH power inductor involves balancing package compatibility with electrical performance. While some options match the 1040 package, they may have lower current ratings, requiring careful review.

AI replacement insight

Electrical riskhigh

Some candidates have lower current ratings, requiring careful circuit analysis.

Package riskmedium

Many alternatives require a different PCB footprint, necessitating a board redesign.

Sourcing risklow

Multiple functional alternatives from various manufacturers are available.

Can it be replaced directly?

No direct, drop-in replacement with identical or better electrical specifications has been identified. All candidates have caveats, primarily related to package differences or lower current ratings.

Best replacement path

Verify circuit current requirements. If they are below 4A RMS and 6A peak, SMMS1040-220M is a potential candidate. Otherwise, a PCB redesign for a larger, higher-rated inductor like SMMS1360-220M is necessary.

Main risk

The main risk is substituting a part with a lower current rating (both RMS and saturation), which can lead to performance degradation or component failure.

Recommended alternatives

A form-fit alternate in a 1040 package, but with lower current ratings that require engineering review.

View details

Alternative comparison matrix

Feature / factor	PSPMAA1040H-220M-ANP	SMMS1040-220M	SMMS1360-220M	SMMS1770-220M	Compatibility / risk
Package	1040 (11.5mm x 10.0mm)	1040	1360	1770 (17.50mm x 17.15mm)	1040 / 1360 / 1770 (17.50mm x 17.15mm) — Same package code, likely form-fit compatible.; SMMS1360-220M: Different package requires PCB redesign.; SMMS1770-220M: Much larger package requires PCB redesign.
Inductance	22µH	22µH	22µH	22µH	22µH — matched; SMMS1360-220M: matched; SMMS1770-220M: matched
Saturation Current	7.0A	6.0A	8.0A	23.0A	6.0A / 8.0A / 23.0A — Lower Isat may cause inductance drop at peak current.; SMMS1360-220M: Higher current handling.; SMMS1770-220M: Significantly higher current handling.
Rms Current	4.5A	4.0A	5.0A	11.0A	4.0A / 5.0A / 11.0A — Lower Irms may cause overheating under load.; SMMS1360-220M: Higher current handling.; SMMS1770-220M: Significantly higher current handling.
Dcr	90mΩ	60mΩ	34mΩ	-	60mΩ / 34mΩ — Lower DCR improves efficiency.; SMMS1360-220M: Lower DCR improves efficiency.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. For a similar footprint, SMMS1040-220M is an option but has lower current ratings. For higher performance, parts like SMMS1360-220M offer better specs but require a PCB layout change.