MWSA0624S-6R8MT
Sunlord
Needs validationmedium risk
A functional alternative with superior current ratings and lower DCR, but in a larger 6.7x7.0mm package.
Best Alternatives to CR4018A-6R8M
Finding a substitute for the CR4018A-6R8M involves balancing physical size with electrical performance. While form-fit options exist, they may have electrical trade-offs, whereas functional alternatives offer better performance in different packages.
AI replacement insight
Package riskhigh
Most alternatives have different package sizes, requiring a PCB layout change.
Electrical riskhigh
The only form-fit candidate has weaker current specs. Functional alternatives must be carefully evaluated for DCR and current ratings.
Can it be replaced directly?
No direct, verified pin-to-pin replacement has been identified. The closest form-fit candidate, SWPA4018S6R8MT, has a lower saturation current and requires engineering validation.
Best replacement path
For a drop-in replacement, SWPA4018S6R8MT matches the package but requires review due to lower saturation current. For better performance, a larger part like VLS6045EX-6R8M is a good functional alternative if a PCB redesign is possible.
Main risk
The primary risk is finding a part that matches both the 4x4mm package and the electrical ratings, especially the 1.6A saturation current.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | CR4018A-6R8M | MWSA0624S-6R8MT | PSPMAA0605H-6R8M-ANP | VLS6045EX-6R8M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4018 (4.0x4.0mm) | 0624 (6.7x7.0mm) | 6.6x7.1mm | 6045 (6.0x6.0mm) | 0624 (6.7x7.0mm) / 6.6x7.1mm / 6045 (6.0x6.0mm) / 3225 (3.2x2.5mm) — Larger package requires PCB redesign.; PSPMAA0605H-6R8M-ANP: Larger package requires PCB redesign.; VLS6045EX-6R8M: Larger package requires PCB redesign.; TFM322512ALMA6R8MTAA: Smaller package requires PCB redesign. |
| Saturation Current A | 1.6A | 4.8A | 10.0A | 4.7A | 4.8A / 10.0A / 4.7A / 1.8A — Significant upgrade in current handling.; PSPMAA0605H-6R8M-ANP: Massive upgrade in saturation current.; VLS6045EX-6R8M: Significant upgrade in current handling.; TFM322512ALMA6R8MTAA: Slightly higher saturation current. |
| Current A | 1.45A | 3.2A | 6.0A | 3.6A | 3.2A / 6.0A / 3.6A / 1.4A — Rated current is much higher.; PSPMAA0605H-6R8M-ANP: Rated current is a significant upgrade.; VLS6045EX-6R8M: Rated current is much higher.; TFM322512ALMA6R8MTAA: Slightly lower rated current. |
| Dcr Ohm | 0.098 Ω | 0.07 Ω | 0.039 Ω | 0.036 Ω | 0.07 Ω / 0.039 Ω / 0.036 Ω / 0.26 Ω — Lower DCR provides better efficiency.; PSPMAA0605H-6R8M-ANP: Lower DCR improves efficiency.; VLS6045EX-6R8M: Lower DCR provides better efficiency.; TFM322512ALMA6R8MTAA: Significantly higher DCR increases power loss. |
Application & sourcing insights
Questions & answers
The best alternative depends on your priority. For physical compatibility, SWPA4018S6R8MT matches the 4x4mm package but has a lower current rating. For higher performance, VLS6045EX-6R8M offers better electrical specs but requires a larger 6x6mm footprint.