LQW18AN39NG80D
Murata Electronics
Needs validationlow risk
An electrically superior alternative with matching inductance but in a larger 0603 package.
Best Alternatives to LQG15HS39NJ02D
Finding a replacement for the Murata LQG15HS39NJ02D 39nH inductor involves balancing electrical parameters and package size. While several alternatives exist, they often involve trade-offs in current rating, DC resistance, or physical footprint.
AI replacement insight
Electrical riskhigh
Many same-package alternatives have lower current ratings or higher DCR.
Package riskmedium
Electrically superior parts are often in a larger package (0603), requiring a layout change.
Can it be replaced directly?
No direct, drop-in replacement with identical or better specifications was found. All form-fit candidates have at least one weaker key parameter, requiring engineering review.
Best replacement path
For a form-fit replacement, review downgrade options like LQG15HN39NJ02D. For better performance, LQW18AN39NG80D is an option if a larger 0603 package is acceptable.
Main risk
The main risk is using a substitute with a lower current rating (e.g., 250mA vs 300mA), which could lead to component failure under load.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | LQG15HS39NJ02D | LQW18AN39NG80D | LQW15AN39NG00D | LQG15HN39NJ02D | 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 redesign.; LQW15AN39NG00D: Form factor matches.; LQG15HN39NJ02D: Form factor matches.; LQW15AN33NG80D: Form factor matches. |
| Inductance | 39 nH | 39 nH | 39 nH | 39 nH | 39 nH / 33 nH — Inductance value matches.; LQW15AN39NG00D: Inductance value matches.; LQG15HN39NJ02D: Inductance value matches.; LQW15AN33NG80D: Inductance value is ~15% lower. |
| Current | 300 mA | 1.0 A | 250 mA | 250 mA | 1.0 A / 250 mA / 620 mA — Significantly higher current rating.; LQW15AN39NG00D: Lower current rating is a downgrade.; LQG15HN39NJ02D: Lower current rating is a critical downgrade.; LQW15AN33NG80D: Higher current rating is an upgrade. |
| Dcr | 0.65 Ω | 0.16 Ω | 0.7 Ω | 1.06 Ω | 0.16 Ω / 0.7 Ω / 1.06 Ω / 0.336 Ω — Significantly lower DCR.; LQW15AN39NG00D: Higher DCR increases power loss.; LQG15HN39NJ02D: Significantly higher DCR increases power loss.; LQW15AN33NG80D: Lower DCR reduces power loss. |
| Construction | Multilayer (implied by LQG) | - | Wirewound | - | Wirewound — Different construction may affect RF behavior. |
Application & sourcing insights
Questions & answers
The best alternative depends on design flexibility. If the PCB layout can change, LQW18AN39NG80D offers superior electrical performance in a larger 0603 package. If the 0402 footprint is fixed, all options are downgrades that require careful review of current and DCR specs.