Is there a pin-compatible replacement for FAUL0640-220MT?

FAUL0630-220MT has the same package and is pin-compatible, but it is an electrical downgrade with lower current ratings. It should only be used if your circuit's demands are well below its limits. FEXL0660A-220M is a near-match and may be pin-compatible after layout verification.

What risks should I check before replacing FAUL0640-220MT?

The main risks are package incompatibility and electrical performance. For parts in different packages, a board redesign is necessary. For parts with lower current ratings like FAUL0630-220MT, you risk overheating or inductor saturation, which can cause circuit failure. Always verify the substitute's datasheet against your application's requirements.

FAUL0640-220MT Alternatives, Datasheet & Cross Reference | Shenzhen CJiang Technology Co., Ltd.

FAUL0640-220MT is a 22µH AEC-Q200 power inductor. While no direct drop-in upgrade exists, FEXL0660A-220M is a strong candidate with superior electrical performance that requires footprint verification.

AI replacement insight

Electrical risklow

Several candidates offer superior electrical performance. Risk is high only if selecting a downgrade.

Package riskmedium

No exact package match offers an upgrade. The best candidate requires footprint verification.

Sourcing risklow

Multiple alternatives are available from the same manufacturer family.

Can it be replaced directly?

No exact drop-in replacement was identified. FEXL0660A-220M is a strong upgrade candidate requiring footprint verification, while FAUL0630-220MT is a form-fit match but a significant electrical downgrade.

Best replacement path

FEXL0660A-220M offers a clear upgrade path with higher current ratings and lower DCR in a very similar package, pending footprint verification.

Main risk

The primary risk is ensuring package and PCB footprint compatibility for near-matches, and managing the electrical performance downgrade if considering weaker alternatives.

Recommended alternatives

An electrical upgrade with higher current ratings and lower DCR in a very similar package.

View details

Alternative comparison matrix

Feature / factor	FAUL0640-220MT	FEXL0660A-220M	FAUL0630-220MT	Compatibility / risk
Package	SMD, 6.6mm x 7.0mm	SMD, 6.6x6.4mm	SMD, 6.6mm x 7.0mm	SMD, 6.6x6.4mm / SMD, 6.6mm x 7.0mm — Very similar size, but height and land pattern may differ. Verification required.; FAUL0630-220MT: Package is a direct match.
Current	3.3 A	3.8 A	2.5 A	3.8 A / 2.5 A — Candidate has higher current rating (Irms).; FAUL0630-220MT: Candidate has lower current rating (Irms).
Saturation Current	4.0 A	5.6 A	3.0 A	5.6 A / 3.0 A — Candidate has higher saturation current (Isat).; FAUL0630-220MT: Candidate has lower saturation current (Isat).
Dcr	125 mΩ	60.63 mΩ	170 mΩ	60.63 mΩ / 170 mΩ — Candidate has lower DCR, improving efficiency.; FAUL0630-220MT: Candidate has higher DCR, reducing efficiency.

Application & sourcing insights

Questions & answers

The best alternative is FEXL0660A-220M, which offers higher current ratings and lower DCR. However, its package is slightly different, so you must verify your PCB layout can accommodate it.