Is there a pin-compatible replacement for LQG15HSR12J02D?

No, a fully pin-compatible, electrically identical replacement was not found. While parts like LQW15ANR12J00D share the 0402 package, they have critical electrical differences (e.g., lower current rating) and require engineering review.

What risks should I check before replacing LQG15HSR12J02D?

Key risks include: 1) Electrical stress from lower current ratings. 2) Performance changes due to different inductance or higher DC resistance (DCR). 3) Assembly failure from incorrect package size. Always verify against your circuit's requirements.

LQG15HSR12J02D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

Finding a substitute for the Murata LQG15HSR12J02D, a 120nH 150mA inductor in an 0402 package, requires careful review of electrical parameters. While several alternatives exist, none are direct drop-in replacements.

AI replacement insight

Electrical riskhigh

Candidates have lower current, higher DCR, or different inductance. Validation is critical.

Package riskmedium

One candidate is a different package size (0603 vs 0402), requiring a board spin.

Can it be replaced directly?

No direct drop-in replacement was found. All candidates have different electrical parameters or package sizes that require engineering review before substitution.

Best replacement path

For new designs, consider LQW18ANR11G00D for better electricals in a 0603 package. For existing 0402 layouts, LQW15ANR12J00D is an option if the circuit's current demand is below 110mA.

Main risk

The primary risks are electrical parameter mismatches, including lower current ratings, higher DCR, or different inductance values, and physical package incompatibility.

Recommended alternatives

Functionally similar with better current/DCR, but in a larger 0603 package requiring a layout change.

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Alternative comparison matrix

Feature / factor	LQG15HSR12J02D	LQW18ANR11G00D	LQW15ANR12J00D	LQG15HSR15J02D	Compatibility / risk
Package	0402 (1005 metric)	0603 (1608 metric)	0402 (1005 Metric)	0402 (1005 metric)	0603 (1608 metric) / 0402 (1005 Metric) / 0402 (1005 metric) — Larger package requires PCB layout change.; LQW15ANR12J00D: Package size matches.; LQG15HSR15J02D: Package size matches.
Inductance	120 nH	110 nH	120 nH	150 nH	110 nH / 120 nH / 150 nH — Inductance is within 10%.; LQW15ANR12J00D: Inductance matches.; LQG15HSR15J02D: Inductance is 25% higher.
Current	150 mA	200 mA	110 mA	150 mA	200 mA / 110 mA / 150 mA — Higher current rating is an upgrade.; LQW15ANR12J00D: Lower current rating is a downgrade.; LQG15HSR15J02D: Rated current matches.
Dcr	1.3 Ohm	1.2 Ohm	2.66 Ohm	2.99 Ohm	1.2 Ohm / 2.66 Ohm / 2.99 Ohm — Lower DCR is an improvement.; LQW15ANR12J00D: Higher DCR increases power loss.; LQG15HSR15J02D: Significantly higher DCR.

Application & sourcing insights

Questions & answers

No single best alternative exists. For new designs, LQW18ANR11G00D is electrically superior but requires a larger 0603 footprint. For existing boards, LQW15ANR12J00D matches the inductance but has a lower current rating that must be verified.