
An excellent upgrade with higher current ratings and lower DCR in the same package.
Find the best replacements for the Murata DFE252012F-4R7M=P2, a 4.7µH power inductor. This guide provides verified upgrade paths, pin-compatible alternatives, and downgrade-risk options with detailed technical comparisons.
Many alternatives have lower current ratings or higher DCR. Careful validation is required.
The 2520 package is standard, and many candidates match the form factor.
Yes, several alternatives exist. XRIM252012S4R7MBCA is a performance upgrade, and SMMS252010-4R7M is a very close functional match that should be reviewed for its slightly lower saturation current.
For improved performance, consider the upgrade path to XRIM252012S4R7MBCA, which offers higher current ratings and lower DCR. For a direct match, SMMS252010-4R7M is a very close candidate.
The primary risk is selecting a substitute with lower current ratings (Isat or Irms), which could lead to performance degradation or component failure under load.

An excellent upgrade with higher current ratings and lower DCR in the same package.
| Feature / factor | DFE252012F-4R7M=P2 | XRIM252012S4R7MBCA | SMMS252010-4R7M | WPN252010U4R7MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2520 | 2520 | 2520 | 2520 | 2520 — Package size 2.5x2.0mm matches target.; SMMS252010-4R7M: Package size 2.5x2.0mm matches target.; WPN252010U4R7MT: Package size matches target. |
| Current | 1.5A | 1.8A | 1.6A | 1.4A | 1.8A / 1.6A / 1.4A — Heat rating current (Irms) is 20% higher.; SMMS252010-4R7M: Heat rating current (Irms) is slightly higher.; WPN252010U4R7MT: Heat rating current (Irms) is lower. |
| Saturation Current A | 2.1A | 2.4A | 2.0A | 1.9A | 2.4A / 2.0A / 1.9A — Saturation current (Isat) is 14% higher.; SMMS252010-4R7M: Saturation current (Isat) is 5% lower.; WPN252010U4R7MT: Saturation current (Isat) is lower. |
| Dcr Ohm | 0.19Ω | 0.15Ω | 0.18Ω | 0.20Ω | 0.15Ω / 0.18Ω / 0.20Ω — DC resistance is lower, improving efficiency.; SMMS252010-4R7M: Max DC resistance is slightly lower (better).; WPN252010U4R7MT: DC resistance is slightly higher (worse). |
| Temperature | -40°C to +125°C | -55°C to +125°C | - | - | -55°C to +125°C — Wider operating temperature range. |
Verified drop-in options for DFE252012F-4R7M=P2 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.