
An electrical upgrade with higher current and lower DCR, but in a larger package requiring a board redesign.
Finding a replacement for the SHOU HAN CYA0650-4.7UH 4.7µH power inductor involves balancing electrical performance with physical package compatibility. Alternatives exist but may require design adjustments.
Most alternatives have different package sizes, requiring a PCB redesign.
Form-fit options may have lower current ratings, risking overheating or saturation.
Multiple functional and parametric alternatives are available from various manufacturers.
No direct drop-in replacement with identical or better performance has been identified. CMPI0630-4R7M has a similar footprint but is a performance downgrade that requires validation.
For new designs, use an electrically superior part like the SXN SMMS series, which offers higher current and lower DCR but requires a larger PCB footprint. For existing boards, CMPI0630-4R7M is a close fit but has lower current ratings that must be validated.
The main risk is either accepting a performance downgrade with a form-fit alternate or redesigning the PCB for an electrically superior but larger part.

An electrical upgrade with higher current and lower DCR, but in a larger package requiring a board redesign.
| Feature / factor | CYA0650-4.7UH | SMMS1040-4R7M | SMMS1050-4R7M | SMMS1360-4R7M | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 4.7µH | 4.7µH | - | - | 4.7µH — Inductance value matches.; CMPI0630-4R7M: Inductance value matches. |
| Current | 6.0A | 8.5A | 9.5A | 13A | 8.5A / 9.5A / 13A / 5.5A — RMS current is significantly higher.; SMMS1050-4R7M: RMS current is significantly higher.; SMMS1360-4R7M: RMS current is substantially higher.; CMPI0630-4R7M: RMS current is slightly lower. |
| Saturation Current | 8.0A | 15.0A | 14.0A | 18.0A | 15.0A / 14.0A / 18.0A / 6.5A — Saturation current is significantly higher.; SMMS1050-4R7M: Saturation current is significantly higher.; SMMS1360-4R7M: Saturation current is substantially higher.; CMPI0630-4R7M: Saturation current is lower. |
| Dcr | 29mΩ | 17mΩ | 12.4mΩ | 8.0mΩ | 17mΩ / 12.4mΩ / 8.0mΩ / 42mΩ — Lower DCR improves efficiency.; SMMS1050-4R7M: Lower DCR improves efficiency.; SMMS1360-4R7M: Much lower DCR improves efficiency.; CMPI0630-4R7M: Higher DCR will reduce efficiency. |
| Package | 7.0x6.6x5.0mm | 11.5x10.0x4.0mm | 11.5x10.0x5.0mm | 13.2x12.9x6.0mm | 11.5x10.0x4.0mm / 11.5x10.0x5.0mm / 13.2x12.9x6.0mm / 7.1x6.6x3.0mm — Package is much larger and not compatible.; SMMS1050-4R7M: Package is much larger and not compatible.; SMMS1360-4R7M: Package is much larger and not compatible.; CMPI0630-4R7M: Similar footprint, but lower height. |
The 'best' alternative depends on your priority. For electrical performance, parts like SXN SMMS1040-4R7M are superior but require a new PCB layout. For physical compatibility, CEAIYA CMPI0630-4R7M is close but has lower current ratings.