NR4018S4R7MT
Magnetsyc
Needs validationmedium risk
Matches Isat and footprint with improved Irms and DCR, but requires height clearance verification.
Best Alternatives to WPN4012H4R7MT
Finding a substitute for the Sunlord WPN4012H4R7MT 4.7µH power inductor involves matching its 4x4mm footprint and electrical ratings. Several functional alternatives exist with improved current handling or lower DCR, but may require layout or clearance verification.
AI replacement insight
Package riskhigh
Most candidates have different footprints or heights.
Electrical risklow
All candidates meet or exceed key electrical ratings.
Can it be replaced directly?
Direct replacement for WPN4012H4R7MT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The closest option is NR4018S4R7MT, which matches the 4x4mm footprint and key electricals but is taller. For a performance upgrade without footprint constraints, VLS6045EX-4R7M-H offers higher current ratings.
Main risk
The primary risk is mechanical incompatibility. Many alternatives have different package sizes or heights, requiring board layout changes or clearance checks.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | WPN4012H4R7MT | NR4018S4R7MT | PSPMAA0402-4R7M-ANP | SRYH0420YF4R7M | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4012 (4x4x1.2mm) | 4018 (4x4x1.8mm) | 4.05x4.45mm | 4.5x4.1x2.0mm | 4018 (4x4x1.8mm) / 4.05x4.45mm / 4.5x4.1x2.0mm / 3225 (3.2x2.5mm) — Same 4x4mm footprint but taller (1.8mm vs 1.2mm).; PSPMAA0402-4R7M-ANP: Footprint is very close to target's 4x4mm.; SRYH0420YF4R7M: Similar footprint but significantly taller (2.0mm vs 1.2mm).; SLO322512T4R7MTT: Smaller, non-square package requires layout change. |
| Saturation Current A | 2.3A | 2.3A | 3.5A | 3.0A | 2.3A / 3.5A / 3.0A / 2.9A — matched; PSPMAA0402-4R7M-ANP: Higher Isat provides more margin.; SRYH0420YF4R7M: Higher Isat provides more margin.; SLO322512T4R7MTT: Higher Isat. |
| Current A | 1.9A | 2.3A | 2.0A | 2.2A | 2.3A / 2.0A / 2.2A — Higher Irms provides more margin.; PSPMAA0402-4R7M-ANP: Slightly higher Irms.; SRYH0420YF4R7M: Higher Irms provides more margin.; SLO322512T4R7MTT: Higher Irms. |
| Dcr Ohm | 0.23Ω | 0.117Ω | 0.11Ω | 0.14Ω | 0.117Ω / 0.11Ω / 0.14Ω / 0.115Ω — Significantly lower DCR improves efficiency.; PSPMAA0402-4R7M-ANP: Significantly lower DCR.; SRYH0420YF4R7M: Lower DCR improves efficiency.; SLO322512T4R7MTT: Significantly lower DCR. |
Application & sourcing insights
Questions & answers
Verified drop-in options for WPN4012H4R7MT 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.