CR4018A-6R8M
CEAIYA
Needs validationlow risk
A potential replacement in the same 4018 package with higher current handling and lower DCR.
Best Alternatives to SWPA4018S6R8MT
Finding a substitute for the Sunlord SWPA4018S6R8MT 6.8µH inductor involves checking key parameters. Several functional alternatives exist, with CR4018A-6R8M being a strong candidate in the same package.
AI replacement insight
Package riskhigh
Most alternatives are in different packages, requiring a PCB redesign.
Electrical risklow
Most candidates offer superior current handling and lower DCR. One has higher DCR.
Sourcing riskmedium
Availability and lead time of candidates should be verified with distributors.
Can it be replaced directly?
Direct replacement for SWPA4018S6R8MT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
CR4018A-6R8M is the most direct replacement candidate, sharing the 4018 package and offering better electricals, but requires pinout verification.
Main risk
The primary risk is physical incompatibility, as most alternatives are in different packages. For same-package options, pinout verification is critical.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | SWPA4018S6R8MT | CR4018A-6R8M | SLO1040H6R8MTT | SMMS0650-6R8M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4018 | 4018 | 1040 | 0650 | 4018 / 1040 / 0650 / 6045 — Same package code, but footprint requires verification.; SLO1040H6R8MTT: Larger package requires PCB redesign.; SMMS0650-6R8M: Larger package requires PCB redesign.; VLS6045EX-6R8M: Larger package requires PCB redesign. |
| Inductance | 6.8 µH | 6.8 µH | 6.8 µH | 6.8 µH | 6.8 µH — matched; SLO1040H6R8MTT: matched; SMMS0650-6R8M: matched; VLS6045EX-6R8M: matched |
| Saturation Current A | 1.45 A | 1.6 A | 10 A | 7.3 A | 1.6 A / 10 A / 7.3 A / 4.7 A — Candidate has higher saturation current.; SLO1040H6R8MTT: Significantly higher current rating.; SMMS0650-6R8M: Significantly higher current rating.; VLS6045EX-6R8M: Significantly higher current rating. |
| Dcr Ohm | 110 mΩ | 98 mΩ | 22 mΩ | 36.5 mΩ | 98 mΩ / 22 mΩ / 36.5 mΩ / 36 mΩ — Candidate has lower DCR, improving efficiency.; SLO1040H6R8MTT: Significantly lower DCR.; SMMS0650-6R8M: Significantly lower DCR.; VLS6045EX-6R8M: Significantly lower DCR. |
| Current A | Not Specified | 1.45 A | - | - | 1.45 A — Target's rated thermal current is not specified. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SWPA4018S6R8MT 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.