Is there a pin-compatible replacement for LQW18AN2N2D10D?

Several inductors share the 0603 package, making them physically compatible. However, none of the reviewed candidates match the critical electrical performance, especially the 1.4A current rating. They are not electrically pin-compatible without high risk.

What risks should I check before replacing LQW18AN2N2D10D?

The primary risks are overheating and voltage drops due to lower current ratings and higher DC resistance (DCR). Also, check the Self-Resonant Frequency (SRF) and Q factor to ensure performance is maintained in high-frequency circuits.

LQW18AN2N2D10D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

Finding a replacement for the Murata LQW18AN2N2D10D, a high-performance 2.2nH wirewound inductor, requires careful attention to its high current rating (1.4A) and low DCR. Alternatives exist but often involve significant performance trade-offs.

AI replacement insight

Electrical riskhigh

Candidate current ratings (0.4-0.5A) are far below the target's 1.4A.

Package risklow

All candidates share the same 0603 package, ensuring physical fit.

Can it be replaced directly?

No, there are no direct, risk-free replacements among the candidates reviewed. All have significantly lower current ratings and are not recommended for most applications.

Best replacement path

Filter for 0603 wirewound inductors with ≥2.2nH inductance and ≥1.4A current rating. Accept no substitutes on current rating.

Main risk

Significant derating in current handling capability and increased power loss due to higher DCR, leading to potential overheating and performance degradation.

Recommended alternatives

A 2.2nH inductor in the same 0603 package, but with a much lower current rating and higher resistance.

View details

Alternative comparison matrix

Feature / factor	LQW18AN2N2D10D	VHF160808H2N2ST	SDCL1608C2N2STDF	Compatibility / risk
Package	0603 (1608 metric)	0603	0603 (1608 Metric)	0603 / 0603 (1608 Metric) — Form factor matches.; SDCL1608C2N2STDF: Form factor matches.
Inductance H	2.2nH	2.2nH	2.2nH	2.2nH — Inductance value matches.; SDCL1608C2N2STDF: Inductance value matches.
Current A	1.4A	0.4A	0.5A	0.4A / 0.5A — Significantly lower current rating.; SDCL1608C2N2STDF: Significantly lower current rating.
Dcr Ohm	0.018Ω	0.1Ω	0.2Ω	0.1Ω / 0.2Ω — Much higher DCR, will increase losses.; SDCL1608C2N2STDF: Extremely high DCR, will cause significant losses.
Srf	18GHz	6GHz	6GHz	6GHz — Lower SRF, may affect high-frequency performance.; SDCL1608C2N2STDF: Lower SRF, may affect high-frequency performance.

Application & sourcing insights

Questions & answers

No direct drop-in replacement has been identified. While other 2.2nH inductors in a 0603 package exist, they typically have much lower current ratings and higher DCR. Reviewing circuit requirements is essential.