FAUL0420-2R2MT
cjiang (Changjiang Microelectronics Tech)
Needs validationlow risk
A pin-compatible match with identical electricals and upgraded AEC-Q200 qualification.
Best Alternatives to XR0420-2R2M
XR0420-2R2M is a 2.2µH, 4.5A power inductor in a compact 4.4x4.2mm package. Excellent pin-compatible and functional alternatives are available, offering identical or superior performance.
AI replacement insight
Electrical risklow
Key parameters like inductance, current, and DCR are identical.
Package risklow
Package dimensions are identical, but a final land pattern check is always recommended.
Sourcing risklow
Switching manufacturers may have supply chain implications. cjiang is a common alternative source.
Can it be replaced directly?
Direct replacement for XR0420-2R2M should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with Datasheet verified or Strong match candidates for XR0420-2R2M, then review parametric alternatives for package and electrical fit.
Main risk
The primary risk is sourcing, as it involves switching manufacturers. While specs match, always validate performance in your specific application.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | XR0420-2R2M | FAUL0420-2R2MT | FEXL0430A-2R2M | FAUL0518-2R2MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4.4mm x 4.2mm | 4.2mm x 4.4mm | 4.1mm x 4.1mm | 5.4mm x 5.2mm | 4.2mm x 4.4mm / 4.1mm x 4.1mm / 5.4mm x 5.2mm — Package dimensions are a match.; FEXL0430A-2R2M: Slightly smaller package. Land pattern must be verified.; FAUL0518-2R2MT: Larger package requires PCB redesign. |
| Inductance | 2.2 µH | 2.2 µH | - | - | 2.2 µH — Inductance is identical. |
| Current | 4.5 A | 4.5 A | 7.8 A | 5.0 A | 4.5 A / 7.8 A / 5.0 A — Rated current (Irms) is identical.; FEXL0430A-2R2M: Higher rated current (Irms).; FAUL0518-2R2MT: Slightly higher rated current (Irms). |
| Saturation Current A | 5.0 A | 5.0 A | 7.0 A | 6.0 A | 5.0 A / 7.0 A / 6.0 A — Saturation current (Isat) is identical.; FEXL0430A-2R2M: Higher saturation current (Isat).; FAUL0518-2R2MT: Higher saturation current (Isat). |
| Dcr Ohm | 58 mΩ | 58 mΩ | 22.6 mΩ | 35 mΩ | 58 mΩ / 22.6 mΩ / 35 mΩ — DC Resistance is identical.; FEXL0430A-2R2M: Lower DCR, resulting in higher efficiency.; FAUL0518-2R2MT: Lower DCR, resulting in higher efficiency. |
| Temperature | -55°C to +125°C | -55°C to +155°C | - | - | -55°C to +155°C — Wider operating temperature range. |
| Application | N/A | AEC-Q200 | - | AEC-Q200 | AEC-Q200 — Automotive grade qualification is an upgrade.; FAUL0518-2R2MT: Automotive grade qualification. |
Application & sourcing insights
Questions & answers
Verified drop-in options for XR0420-2R2M are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.