Best Alternatives to FEXL0660A-4R7M

Package: SMD, 6.6mm x 6.4mmShenzhen CJiang Technology Co., Ltd.ChokesInductance: 4.7 µHTolerance: ±20%Saturation Current (Isat): 10.5 ADC Resistance (DCR): 14.4 mΩRated Current (Irms): 8.5 A

FEXL0660A-4R7M is a 4.7µH molded power inductor in a compact 6.6mm x 6.4mm package, designed for high-current power supplies. Finding a replacement requires careful consideration of physical dimensions and electrical parameters.

AI replacement insight

Package riskhigh

All functional alternatives are physically larger and require a board redesign.

Electrical risklow

Most alternatives offer superior or similar electrical performance, but FXL0840-4R7-M has a higher DCR that needs evaluation.

Sourcing risklow

Alternatives are from the same manufacturer, suggesting similar supply chain characteristics.

Can it be replaced directly?

No, there are no direct, pin-compatible replacements for FEXL0660A-4R7M among the candidates reviewed. All viable alternatives have different package sizes.

Best replacement path

No drop-in replacement was found. The best path is a board redesign using a functional alternative like FXL1050-4R7-M, which offers superior current ratings in a larger package.

Main risk

The primary risk is the physical package mismatch. All functional alternatives require a new PCB layout to accommodate their larger footprints.

Recommended alternatives

3
FXL1050-4R7-M package
FXL1050-4R7-M

cjiang (Changjiang Microelectronics Tech)

Needs validationhigh risk

A functional alternative with higher current ratings but a larger, non-compatible package.

View details

Alternative comparison matrix

Feature / factorFEXL0660A-4R7MFXL1050-4R7-MFXL1350-4R7-MFXL0840-4R7-MCompatibility / risk
PackageSMD, 6.6mm x 6.4mm10x11.5mmSMD, 13.45mm x 12.6mmSMD, 8.8x8.2mm10x11.5mm / SMD, 13.45mm x 12.6mm / SMD, 8.8x8.2mm — Candidate is larger, requires board redesign.; FXL1350-4R7-M: Candidate is significantly larger, requires board redesign.; FXL0840-4R7-M: Candidate is larger, requires board redesign.
Inductance H4.7µH4.7µH4.7µH4.7µH4.7µH — matched; FXL1350-4R7-M: matched; FXL0840-4R7-M: matched
Current A8.5A11.0A13.0A9.5A11.0A / 13.0A / 9.5A — Higher current rating offers more thermal margin.; FXL1350-4R7-M: Higher current rating offers more thermal margin.; FXL0840-4R7-M: Slightly higher current rating.
Saturation Current A10.5A15.0A21.0A-15.0A / 21.0A — Higher saturation current.; FXL1350-4R7-M: Higher saturation current prevents inductance drop at peak loads.
Dcr Ohm14.4mΩ14.0mΩ9.0mΩ26.5mΩ14.0mΩ / 9.0mΩ / 26.5mΩ — DCR is nearly identical.; FXL1350-4R7-M: Lower DCR improves efficiency.; FXL0840-4R7-M: Significantly higher DCR will increase power loss and heat.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. The best functional alternative is FXL1050-4R7-M, which offers an upgrade in current handling, but it requires a board redesign due to its larger package (10x11.5mm vs 6.6x6.4mm).