Is there a pin-compatible replacement for SLM25204R7MIT?

Several candidates like TDK's MLP2520S4R7MT0S1 share the same 2520 package and 2-pin layout, making them likely form-fit compatible. A full pin-to-pin validation requires comparing datasheets for land pattern and electrical behavior.

What risks should I check before replacing SLM25204R7MIT?

Key risks include differences in DC Resistance (DCR), which affects efficiency, and saturation current (Isat), which impacts performance under load. Also, check the physical height of the replacement to ensure it fits.

SLM25204R7MIT Alternatives, Datasheet & Cross Reference | Sunltech

Find alternatives for the Sunltech SLM25204R7MIT 4.7µH inductor. This guide reviews compatible parts like the TDK MLP2520S4R7MT0S1 and upgrade options, highlighting key differences in current rating and resistance.

AI replacement insight

Electrical riskmedium

DCR and Isat differences require review. Higher DCR reduces efficiency.

Package risklow

Most candidates are 2520/1008 size, but one is taller. Always verify dimensions.

Sourcing risklow

Multiple vendors offer parts in this category, providing sourcing flexibility.

Can it be replaced directly?

No verified direct drop-in replacement exists without engineering review. The TDK MLP2520S4R7MT0S1 is the closest functional match but requires checking saturation current.

Best replacement path

For a near-direct replacement, consider the TDK MLP2520S4R7MT0S1. For higher performance, AFE252010S4R7MBT is a good upgrade path.

Main risk

The primary risk is the unknown saturation current (Isat) of the original part, making it difficult to guarantee performance without testing in-circuit.

Recommended alternatives

An upgrade path with double the current rating, but at the cost of slightly higher resistance and lower efficiency.

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Alternative comparison matrix

Feature / factor	SLM25204R7MIT	AFE252010S4R7MBT	MLP2520S4R7MT0S1	XRIM252012S4R7MBCA	Compatibility / risk
Inductance	4.7µH	4.7µH	4.7µH	4.7µH	4.7µH — Inductance value matches.; MLP2520S4R7MT0S1: Inductance value matches.; XRIM252012S4R7MBCA: Inductance value matches.
Current	1.0A	2.0A	1.0A	1.8A	2.0A / 1.0A / 1.8A — Significantly higher Irms offers performance upgrade.; MLP2520S4R7MT0S1: Rated current (Irms) matches.; XRIM252012S4R7MBCA: Higher Irms allows for more current.
Dcr	0.11Ω	0.16Ω	0.13Ω	0.15Ω	0.16Ω / 0.13Ω / 0.15Ω — Higher DCR will result in lower efficiency.; MLP2520S4R7MT0S1: DCR is slightly higher, minor efficiency impact.; XRIM252012S4R7MBCA: Higher DCR will result in lower efficiency.
Saturation Current	Unknown	2.6A	-	-	2.6A — High Isat, likely an upgrade but target value is unknown.
Package	2520 (1008)	-	2520 (1008)	1.2mm	2520 (1008) / 1.2mm — Package size and pin count match.; XRIM252012S4R7MBCA: Candidate is taller (1.2mm vs. typical 1.0mm), check board clearance.

Application & sourcing insights

Questions & answers

The TDK MLP2520S4R7MT0S1 is a strong functional alternative, offering very similar electrical characteristics in the same 2520 package. However, verification of saturation current is recommended.