Is there a pin-compatible replacement for NRS4018T4R7MDGJ?

No, there are no datasheet-verified pin-to-pin replacements currently identified. However, several parts like SPH4018H4R7MT share the same 4018 package and 2-pin layout, making them form-fit compatible. Electrical parameters like DCR differ and require review.

What risks should I check before replacing NRS4018T4R7MDGJ?

Before replacing, you must check the DC Resistance (DCR). A higher DCR will increase power loss and heat. Also, verify that the saturation (Isat) and RMS (Irms) current ratings of the replacement are equal to or greater than the original part's ratings.

NRS4018T4R7MDGJ Alternatives, Datasheet & Cross Reference | TAIYO YUDEN

Find and compare suitable replacements for the TAIYO YUDEN NRS4018T4R7MDGJ, a 4.7µH shielded power inductor. This guide helps you evaluate alternatives based on critical electrical and mechanical parameters.

AI replacement insight

Electrical riskmedium

Most alternatives have higher DCR, which impacts efficiency. Current ratings are often equal or better.

Package risklow

All presented candidates use the same 4018 package, ensuring mechanical compatibility.

Can it be replaced directly?

There are several form-fit-function alternatives for NRS4018T4R7MDGJ, but none are perfect drop-in replacements. Most candidates have higher DC Resistance (DCR), which can impact power efficiency.

Best replacement path

SPH4018H4R7MT from Sunlord is the closest alternative, matching all key electrical parameters except for a slightly higher DCR.

Main risk

The primary risk when substituting is increased DC Resistance (DCR), which leads to higher power loss and heat generation. This must be evaluated in the context of the application's power budget.

Recommended alternatives

A strong form-fit-function match with identical inductance and current ratings, but slightly higher DCR.

View details

Alternative comparison matrix

Feature / factor	NRS4018T4R7MDGJ	SPH4018H4R7MT	SWPA4018S4R7MT	Compatibility / risk
Inductance	4.7µH ±20%	4.7µH ±20%	4.7µH ±20%	4.7µH ±20% — Inductance and tolerance match.; SWPA4018S4R7MT: Inductance and tolerance match.
Package	4.0x4.0x1.8mm	4.0x4.0x1.8mm	-	4.0x4.0x1.8mm — Package dimensions match.
Dcr	0.070Ω	0.084Ω	0.117Ω	0.084Ω / 0.117Ω — Slightly higher DCR may reduce efficiency.; SWPA4018S4R7MT: Higher DCR will reduce efficiency.
Saturation Current	2.0A	2.0A	2.2A	2.0A / 2.2A — Saturation current matches.; SWPA4018S4R7MT: Higher Isat provides more margin.
Rms Current	1.7A	1.7A	1.8A	1.7A / 1.8A — RMS current matches.; SWPA4018S4R7MT: Higher Irms provides more margin.

Application & sourcing insights

Questions & answers

The best alternative is SPH4018H4R7MT by Sunlord. It matches the package, inductance, and current ratings, with only a slightly higher DCR that should be verified for your application.