Needs validationmedium risk
A cross-vendor upgrade with higher current ratings and low DCR, but requires a board redesign for its package.
Best Alternatives to SMMS0850-470M
Explore functional alternatives for the SMMS0850-470M, a 47µH power inductor. While no direct drop-in replacements exist due to package differences, several candidates offer upgraded electrical performance, including higher current ratings and lower DCR.
AI replacement insight
Package riskhigh
PCB redesign is required as no candidate shares the target's footprint.
Electrical risklow
All candidates meet or exceed the target's key electrical ratings (current, DCR).
Sourcing risklow
Multiple cross-vendor options are available, improving supply chain resilience.
Can it be replaced directly?
No direct, drop-in replacement for SMMS0850-470M has been identified. All suitable alternatives have different physical packages, requiring a PCB layout change.
Best replacement path
For a close match, consider MDA1040-470M. For a significant performance upgrade, SMMS1770-470M offers much higher current handling. Both require a PCB redesign.
Main risk
The primary risk is package incompatibility. The target's '0850' package is different from all candidate packages, making a board redesign mandatory.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | SMMS0850-470M | FCH1365-470M | MDA1040-470M | MDA1365-470M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance H | 47 µH | 47 µH | 47 µH | 47 µH | 47 µH — Inductance matches.; MDA1040-470M: Inductance matches.; MDA1365-470M: Inductance matches.; SMMS1050-470M: Inductance matches. |
| Saturation Current A | 4.0 A | 7.0 A | 4.0 A | 7.6 A | 7.0 A / 4.0 A / 7.6 A / 4.5 A — Higher saturation current.; MDA1040-470M: Saturation current matches.; MDA1365-470M: Higher saturation current.; SMMS1050-470M: Slightly higher saturation current. |
| Current A | 2.0 A | 6.0 A | 3.5 A | 8.0 A | 6.0 A / 3.5 A / 8.0 A / 3.0 A — Higher RMS current rating.; MDA1040-470M: Higher RMS current rating.; MDA1365-470M: Higher RMS current rating.; SMMS1050-470M: Higher RMS current rating. |
| Dcr Ohm | 190 mΩ | 63 mΩ | 125 mΩ | 58 mΩ | 63 mΩ / 125 mΩ / 58 mΩ / 110 mΩ — Lower DCR improves efficiency.; MDA1040-470M: Lower DCR improves efficiency.; MDA1365-470M: Lower DCR improves efficiency.; SMMS1050-470M: Lower DCR improves efficiency. |
| Package | 0850 | 1365 | 1040 | 1365 | 1365 / 1040 / 1050 — Package is physically different, requires PCB redesign.; MDA1040-470M: Package is physically different, requires PCB redesign.; MDA1365-470M: Package is physically different, requires PCB redesign.; SMMS1050-470M: Package is physically different, requires PCB redesign. |
Application & sourcing insights
Questions & answers
The best alternative depends on your needs. For a close electrical match, consider MDA1040-470M. For a significant upgrade in current handling, SMMS1770-470M is a strong choice. Note that all options require a PCB redesign due to different packages.