FHW0603UC1N8KST
FH (Guangdong Fenghua Advanced Tech)
Needs validationlow risk
Superior upgrade with higher current (700mA), lower DCR, and higher SRF in the same 0603 package.
Best Alternatives to VHF160808H1N8ST
VHF160808H1N8ST is a 1.8nH, 0603 high-frequency inductor. When searching for a replacement, focus on matching inductance and package size, while ensuring the rated current and SRF are equal or better.
AI replacement insight
Electrical riskmedium
Inductance, Q, and SRF must be verified for RF applications.
Package risklow
All candidates use the standard 0603 package.
Sourcing risklow
Multiple manufacturers offer suitable alternatives.
Can it be replaced directly?
SDCL1608C1N8STDF is a close functional match with an improved current rating. FHW0603UC1N8KST is a superior upgrade. Both require datasheet review.
Best replacement path
FHW0603UC1N8KST offers significant upgrades in current, DCR, and SRF.
Main risk
The main risk is altering the circuit's high-frequency response due to subtle differences in inductance, Q-factor, or SRF.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | VHF160808H1N8ST | FHW0603UC1N8KST | SDCL1608C1N8STDF | SDCL1608C1N5STDF | Compatibility / risk |
|---|---|---|---|---|---|
| Inductance | 1.8 nH | 1.8 nH | 1.8 nH | 1.5 nH | 1.8 nH / 1.5 nH / 2.0 nH — Inductance matches target value.; SDCL1608C1N8STDF: Inductance matches target value.; SDCL1608C1N5STDF: Inductance is ~17% lower than target.; VHF160808H2N0ST: Inductance is ~11% higher than target. |
| Current | 400 mA | 700 mA | 500 mA | 500 mA | 700 mA / 500 mA — Significantly higher current rating.; SDCL1608C1N8STDF: Higher current rating provides more margin.; SDCL1608C1N5STDF: Higher current rating.; VHF160808H2N0ST: Higher current rating. |
| Dcr | 100 mΩ | 45 mΩ | 0.1 Ω | 0.1 Ω | 45 mΩ / 0.1 Ω — Lower DCR improves efficiency.; SDCL1608C1N8STDF: DC resistance matches target.; SDCL1608C1N5STDF: DC resistance matches target.; VHF160808H2N0ST: DC resistance matches target. |
| Srf | 6 GHz | 12.5 GHz | - | - | 12.5 GHz — Higher SRF allows for use at higher frequencies. |
| Construction | Multilayer | Wire-wound | - | - | Wire-wound — Different construction may affect EMI. |
| Temperature | -40°C to +85°C | - | -55°C to +125°C | - | -55°C to +125°C — Wider operating temperature range. |
| Package | 0603 | - | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) — Package size is compatible.; SDCL1608C1N5STDF: Package size is compatible.; VHF160808H2N0ST: Package size is compatible. |
Application & sourcing insights
Questions & answers
FHW0603UC1N8KST is a strong upgrade, offering higher current (700mA) and lower DCR (45mΩ). SDCL1608C1N8STDF is also a good alternative with a higher current rating (500mA).