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Best Alternatives to FXL0650-6R8-M

Package: SMD, 7.0x6.6mmShenzhen CJiang Technology Co., Ltd.ChokesInductance: 6.8 µHTolerance: ±20%Saturation Current (Isat): 6.3 AHeating Rating Current (Irms): 5.8 ADC Resistance (DCR): 41 mΩ

Finding a substitute for the FXL0650-6R8-M 6.8µH power inductor involves a trade-off between package compatibility and electrical performance. This guide reviews top alternatives and their associated risks.

AI replacement insight

Electrical riskhigh

Using form-fit parts with lower current ratings (e.g., APH0630T6R8M) can lead to overheating or saturation.

Package riskhigh

Electrically superior parts like FXL0840-6R8-M are in larger packages and require a PCB redesign.

Can it be replaced directly?

No direct, drop-in replacement with equivalent or better performance has been identified. Alternatives like APH0630T6R8M have the same footprint but lower current ratings, requiring careful review.

Best replacement path

For new designs or board revisions, FXL0840-6R8-M is a strong upgrade path, offering better electrical performance in a slightly larger package. No direct drop-in upgrade was found.

Main risk

The primary risk is either electrical overstress from using a weaker part in the same footprint, or mechanical incompatibility from using a stronger part in a different footprint.

Recommended alternatives

4
FAUL1050-6R8MT package
FAUL1050-6R8MT

cjiang (Changjiang Microelectronics Tech)

Needs validationmedium risk

A powerful electrical upgrade with very high current ratings, but requires a much larger PCB footprint.

View details

Alternative comparison matrix

Feature / factorFXL0650-6R8-MFAUL1050-6R8MTFXL0840-6R8-MAPH0630T6R8MCompatibility / risk
Inductance6.8µH6.8µH6.8µH6.8µH6.8µH — Inductance matches.; FXL0840-6R8-M: Inductance matches.; APH0630T6R8M: Inductance matches.; FXL0618-6R8-M: Inductance matches.
Current5.8A8.0A8.0A4.32A8.0A / 4.32A / 2.4A — Higher heating current.; FXL0840-6R8-M: Higher heating current provides more margin.; APH0630T6R8M: Lower heating current.; FXL0618-6R8-M: Significantly lower heating current.
Saturation Current6.3A14.0A9.0A4.98A14.0A / 9.0A / 4.98A / 3.6A — Significantly higher saturation current.; FXL0840-6R8-M: Higher saturation current.; APH0630T6R8M: Lower saturation current.; FXL0618-6R8-M: Significantly lower saturation current.
Dcr41mΩ18.5mΩ36.8mΩ48mΩ18.5mΩ / 36.8mΩ / 48mΩ / 110mΩ — Significantly lower DCR improves efficiency.; FXL0840-6R8-M: Lower DCR improves efficiency.; APH0630T6R8M: Slightly higher DCR.; FXL0618-6R8-M: Higher DCR increases power loss.
PackageSMD, 7.0x6.6mmSMD, 11.5x10mmSMD, 8.8x8.2mmSMD, 7.0x6.6mmSMD, 11.5x10mm / SMD, 8.8x8.2mm / SMD, 7.0x6.6mm — Much larger package requires PCB layout change.; FXL0840-6R8-M: Larger package requires PCB layout change.; APH0630T6R8M: Package dimensions match.; FXL0618-6R8-M: Package dimensions match.
QualificationsN/AAEC-Q200--AEC-Q200 — Automotive qualified.

Application & sourcing insights

Questions & answers

For a new PCB layout, FXL0840-6R8-M is the best alternative as it offers higher current ratings and lower DCR. If you cannot change the layout, APH0630T6R8M is a potential but weaker substitute that requires careful circuit validation.