Is there a pin-compatible replacement for LQW18AN18NJ00D?

Yes, several 0603 inductors are pin-compatible in form factor, but no identified part matches all key electrical parameters like DCR, Q-factor, and current rating.

What risks should I check before replacing LQW18AN18NJ00D?

Verify the substitute's DC Resistance (DCR), Q-factor, Self-Resonant Frequency (SRF), and current rating. The target is a high-performance part; downgrades can affect circuit efficiency and signal integrity.

LQW18AN18NJ00D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

LQW18AN18NJ00D is a high-performance 18nH wirewound inductor in a 0603 package, valued for its low DCR and high SRF. Finding substitutes requires careful matching of these RF characteristics.

AI replacement insight

Electrical riskhigh

Target is a high-performance wirewound (LQW) type. Many alternatives are multilayer (LQG) with inferior DCR, Q, and SRF.

Package risklow

0603 is a standard package with many sources.

Sourcing riskmedium

High-Q RF inductors can have fewer sources than general-purpose ones.

Can it be replaced directly?

No direct, fully-equivalent replacement was found. All candidates have parametric trade-offs.

Best replacement path

Cross-reference to other wirewound 0603 18nH inductors with similar low DCR (<0.2Ω) and high SRF (>5GHz).

Main risk

Electrical performance degradation due to higher DCR, lower Q-factor, or lower current rating in substitutes.

Recommended alternatives

A near-match from the same series, but with a 16nH inductance value; check if your design can tolerate this deviation.

View details

Alternative comparison matrix

Feature / factor	LQW18AN18NJ00D	LQW18AN16NG00D	LQG18HN18NJ00D	B82496C3180J	Compatibility / risk
Package	0603 (1608 metric)	0603 (1608 metric)	0603 (1608 metric)	0603 (1608 metric)	0603 (1608 metric) — Form factor is compatible.; LQG18HN18NJ00D: Form factor is compatible.; B82496C3180J: Form factor is compatible.
Inductance	18 nH	16 nH	18 nH	18 nH	16 nH / 18 nH — Inductance is ~11% lower than target.; LQG18HN18NJ00D: Inductance value matches.; B82496C3180J: Inductance value matches.
Dcr	0.16 Ω	0.16 Ω	0.37 Ω	Not found	0.16 Ω / 0.37 Ω / Not found — DCR matches target.; LQG18HN18NJ00D: Significantly higher DCR will increase losses.; B82496C3180J: DCR must be verified from datasheet.
Current	550 mA	550 mA	600 mA	400 mA	550 mA / 600 mA / 400 mA — Current rating matches target.; LQG18HN18NJ00D: Higher current rating is acceptable.; B82496C3180J: Lower current rating is a critical risk.
Srf	5.5 GHz	5.5 GHz	2.6 GHz	4 GHz	5.5 GHz / 2.6 GHz / 4 GHz — SRF matches target.; LQG18HN18NJ00D: Lower SRF may limit use in high-frequency applications.; B82496C3180J: Lower SRF may not be suitable.
Temperature	-55°C to +125°C	-	-40°C to +85°C	-	-40°C to +85°C — Narrower operating temperature range.

Application & sourcing insights

Questions & answers

There are no direct drop-in replacements. Alternatives like LQG18HN18NJ00D have weaker RF performance, while B82496C3180J has a lower current rating. Review is required.