FHW0603UC1N6KST
FH (Guangdong Fenghua Advanced Tech)
Needs validationlow risk
Very close form-fit match from the same series, with a slightly lower inductance of 1.6nH.
Best Alternatives to FHW0603UC1N8KST
FHW0603UC1N8KST is a 1.8nH, 700mA fixed inductor in a 0603 package. This page reviews several potential alternatives, including parametric and functional matches that require design verification before implementation.
AI replacement insight
Electrical riskmedium
Candidates may have different inductance, lower current, or higher DCR.
Package riskhigh
Some alternatives are in smaller packages (0402, 0201) and require a new PCB layout.
Can it be replaced directly?
No direct, one-to-one replacement has been identified. All candidates have parametric differences or package mismatches that require engineering review.
Best replacement path
For a near drop-in, evaluate FHW0603UC1N6KST, noting its 1.6nH inductance. For an upgrade, consider Murata's LQW18AN2N2D10D if a 2.2nH inductance is acceptable.
Main risk
The main risk is either accepting a different inductance value for form-fit parts or redesigning the PCB for parts with different packages.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | FHW0603UC1N8KST | FHW0603UC1N6KST | LQW18AN2N2D10D | SDCL1608C1N8STDF | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Form-factor match.; LQW18AN2N2D10D: Form-factor match.; SDCL1608C1N8STDF: Form-factor match.; VHF160808H1N8ST: Form-factor match. |
| Inductance | 1.8 nH | 1.6 nH | 2.2 nH | 1.8 nH | 1.6 nH / 2.2 nH / 1.8 nH — Inductance is lower.; LQW18AN2N2D10D: Inductance is higher.; SDCL1608C1N8STDF: Inductance matches.; VHF160808H1N8ST: Inductance matches. |
| Current | 700 mA | 700 mA | 1.4 A | 500 mA | 700 mA / 1.4 A / 500 mA / 400 mA — Current rating matches.; LQW18AN2N2D10D: Significantly higher current rating.; SDCL1608C1N8STDF: Lower current rating.; VHF160808H1N8ST: Significantly lower current rating. |
| Dcr | 0.045 Ω | 0.04 Ω | 0.018 Ω | 0.1 Ω | 0.04 Ω / 0.018 Ω / 0.1 Ω — Slightly lower DCR.; LQW18AN2N2D10D: Lower DCR, reduced losses.; SDCL1608C1N8STDF: Higher DCR, increased losses.; VHF160808H1N8ST: Higher DCR, increased losses. |
| Srf | 12.5 GHz | 12.5 GHz | 18 GHz | - | 12.5 GHz / 18 GHz / 6 GHz — SRF matches.; LQW18AN2N2D10D: Higher self-resonant frequency.; VHF160808H1N8ST: Lower self-resonant frequency. |
| Temperature | -40°C to +125°C | - | - | -55°C to +125°C | -55°C to +125°C — Wider operating temperature range. |
Application & sourcing insights
Questions & answers
The best alternative depends on design flexibility. Murata's LQW18AN2N2D10D offers superior current (1.4A) and DCR (0.018Ω) in the same 0603 package, but has a 2.2nH inductance. If inductance must be closer, FH's FHW0603UC1N6KST has 1.6nH and matches other key specs.