SWPA5040S4R7MT
Sunlord
Needs validationlow risk
A potential pin-compatible alternative in the same 5040 package with very similar electrical characteristics.
Best Alternatives to NRS5040T4R7NMGK
Find alternatives for the TAIYO YUDEN NRS5040T4R7NMGK, a 4.7µH shielded power inductor. While a potential pin-compatible option exists, several functional upgrades with superior current handling are available if a PCB redesign is possible.
AI replacement insight
Package riskhigh
Most alternatives are not in a 5040 package. Footprint verification is mandatory even for matching package codes.
Electrical risklow
Many alternatives offer superior or equivalent electrical performance. Check DCR to avoid efficiency loss.
Sourcing riskmedium
The target is from a major manufacturer; alternatives may have different supply chain availability.
Can it be replaced directly?
Direct replacement for NRS5040T4R7NMGK should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a drop-in replacement, review SWPA5040S4R7MT. For new designs or if a redesign is possible, consider an upgrade like VLS6045EX-4R7M-H for better performance.
Main risk
The primary risk is physical incompatibility. Most available alternatives with superior electricals are in different, often larger, packages requiring a PCB layout change.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | NRS5040T4R7NMGK | SWPA5040S4R7MT | CYA0650-4.7UH | ETQP3M4R7KVN | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 5040 | 5040 | SMD (6.8x6.6mm) | 6.4x6.0mm | 5040 / SMD (6.8x6.6mm) / 6.4x6.0mm / 6045 — Matching package code, but footprint should be verified.; CYA0650-4.7UH: Different package requires PCB redesign.; ETQP3M4R7KVN: Different package requires PCB redesign.; VLS6045EX-4R7M-H: Larger package requires PCB redesign. |
| Inductance | 4.7µH | 4.7µH | 4.7µH | 4.7µH | 4.7µH — matched; CYA0650-4.7UH: matched; ETQP3M4R7KVN: matched; VLS6045EX-4R7M-H: matched |
| Saturation Current A | 3.3A | 3.5A | 8.0A | 9.8A | 3.5A / 8.0A / 9.8A / 5.8A — Slightly higher saturation current is beneficial.; CYA0650-4.7UH: Significantly higher saturation current.; ETQP3M4R7KVN: Significantly higher saturation current.; VLS6045EX-4R7M-H: Significantly higher current handling. |
| Dcr Ohm | 0.029Ω typ | 0.039Ω max | 0.026Ω | 0.029Ω | 0.039Ω max / 0.026Ω / 0.029Ω / 0.027Ω — Slightly higher max DCR may reduce efficiency.; CYA0650-4.7UH: Lower DCR improves efficiency.; ETQP3M4R7KVN: matched; VLS6045EX-4R7M-H: Lower DCR improves efficiency. |
| Temperature | -40°C to +125°C | -40°C to +125°C | - | -55°C to +155°C | -40°C to +125°C / -55°C to +155°C — matched; ETQP3M4R7KVN: Wider operating temperature range. |
Application & sourcing insights
Questions & answers
Verified drop-in options for NRS5040T4R7NMGK 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.