FEXL0660A-4R7M
cjiang (Changjiang Microelectronics Tech)
Needs validationlow risk
Strong electrical upgrade with higher current and lower DCR in a nearly identical package size.
Best Alternatives to FXL0650-4R7-M
Searching for a substitute for the CJIANG FXL0650-4R7-M power inductor? This guide reviews several alternatives, highlighting key parametric differences in current rating, DCR, and package size to help you find a suitable replacement.
AI replacement insight
Package riskmedium
Close candidates require land pattern verification; others require a board redesign.
Electrical risklow
Most candidates offer superior current ratings. One has slightly higher DCR.
Can it be replaced directly?
No guaranteed direct replacement exists without engineering review. FEXL0660A-4R7M is the closest functional and physical match but requires land pattern verification.
Best replacement path
Upgrade to FEXL0660A-4R7M for improved electrical performance after verifying the land pattern. For automotive use, consider the AEC-Q200 qualified FAUL0630-4R7MT.
Main risk
The primary risk is physical incompatibility. Several alternatives offer better electrical specs but in larger packages that require a new PCB layout.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | FXL0650-4R7-M | FEXL0660A-4R7M | FAUL0630-4R7MT | FXL0840-4R7-M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance H | 4.7µH | 4.7µH | 4.7µH | 4.7µH | 4.7µH — Matches target value.; FAUL0630-4R7MT: Matches target value.; FXL0840-4R7-M: Matches target value. |
| Package | SMD, 7.0mm x 6.6mm | SMD, 6.6mm x 6.4mm | SMD, 6.6mm x 7.0mm | SMD, 8.8x8.2mm | SMD, 6.6mm x 6.4mm / SMD, 6.6mm x 7.0mm / SMD, 8.8x8.2mm — Very similar size, land pattern verification required.; FAUL0630-4R7MT: Very similar size, land pattern verification required.; FXL0840-4R7-M: Larger package requires PCB redesign. |
| Saturation Current A | 8.0A | 10.5A | 9.0A | 11.5A | 10.5A / 9.0A / 11.5A — Higher saturation current provides more margin.; FAUL0630-4R7MT: Higher saturation current.; FXL0840-4R7-M: Higher saturation current. |
| Current A | 5.0A | 8.5A | 6.0A | 9.5A | 8.5A / 6.0A / 9.5A — Higher RMS current rating.; FAUL0630-4R7MT: Higher RMS current rating.; FXL0840-4R7-M: Higher RMS current rating. |
| Dcr Ohm | 29mΩ | 14.4mΩ | 33mΩ | 26.5mΩ | 14.4mΩ / 33mΩ / 26.5mΩ — Lower DCR improves efficiency.; FAUL0630-4R7MT: Slightly higher DCR may increase power loss.; FXL0840-4R7-M: Slightly lower DCR. |
| Application | Commercial | - | AEC-Q200 | - | AEC-Q200 — Automotive qualified. |
Application & sourcing insights
Questions & answers
FEXL0660A-4R7M is a strong candidate, offering higher current ratings and lower DCR in a very similar package. However, engineers must verify the PCB land pattern for compatibility before substitution.