SWPA8040S470MT
Sunlord
Needs validationhigh risk
A functional alternative with higher current ratings but a larger physical footprint requiring board redesign.
Best Alternatives to SLF7045T-470MR75-PF
Find and compare alternatives for the TDK SLF7045T-470MR75-PF, a 47µH power inductor. This analysis covers functional replacements, highlighting key differences in current ratings, DCR, and package size.
AI replacement insight
Package riskhigh
All suitable electrical alternatives are physically larger and not drop-in compatible.
Electrical risklow
Candidates offer superior current handling and lower DCR, posing minimal electrical risk.
Can it be replaced directly?
No direct, drop-in replacement was identified. All candidates with matching inductance have different physical packages, requiring a PCB layout change.
Best replacement path
Functional upgrade requiring board redesign.
Main risk
Package mismatch requiring PCB redesign.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | SLF7045T-470MR75-PF | SWPA8040S470MT | FCH1050-470M | FCH1365-470M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 47 µH | 47 µH | 47 µH | 47 µH | 47 µH — Inductance matches target.; FCH1050-470M: Inductance matches target.; FCH1365-470M: Inductance matches target.; PSPHAQ127-470M: Inductance matches target. |
| Saturation Current | 0.75 A | 1.75 A | 5.2 A | 7.0 A | 1.75 A / 5.2 A / 7.0 A / 3.2 A — Significantly higher current rating.; FCH1050-470M: Massively higher current rating.; FCH1365-470M: Massively higher current rating.; PSPHAQ127-470M: Significantly higher current rating. |
| Dcr | 0.125 Ω | 0.113 Ω | - | - | 0.113 Ω — Lower DCR is generally better. |
| Package | 7045 (7x7mm) | 8040 (8x8mm) | 11.5x10.5mm | 1365 | 8040 (8x8mm) / 11.5x10.5mm / 1365 / 12x12mm — Larger package, not a drop-in replacement.; FCH1050-470M: Much larger package, not a drop-in replacement.; FCH1365-470M: Much larger package, not a drop-in replacement.; PSPHAQ127-470M: Much larger package, not a drop-in replacement. |
Application & sourcing insights
Questions & answers
No direct drop-in replacement was found. The best alternatives, like Sunlord's SWPA8040S470MT, offer better electrical performance but require a board redesign due to a larger package.