Needs validationhigh risk
Functionally similar with better specs, but requires board redesign for the 0603 package.
Best Alternatives to SDFL1005QR56KTF
Finding a substitute for the Sunlord SDFL1005QR56KTF, a 560nH multilayer inductor in a 1005 (0402) package, requires careful review. While no perfect drop-in replacement exists, several functional and parametric alternatives are available with different packages or inductance values.
AI replacement insight
Package riskhigh
Many alternatives are in larger packages (0603, 1210) and are not drop-in compatible.
Electrical riskmedium
Same-package options have different inductance. Target's missing saturation current spec adds uncertainty.
Sourcing risklow
560nH inductors are widely available from multiple manufacturers in various packages.
Can it be replaced directly?
No direct, drop-in replacement with identical key parameters was found. Alternatives either have a different inductance value or a different physical package requiring a PCB layout change.
Best replacement path
For new designs, parts like MLJ1608WR56JT000 offer matching inductance and superior electrical performance in a slightly larger 0603 package. For existing boards, options are limited to parts with different inductance values, such as SDFL1005QR68KTF, which requires circuit validation.
Main risk
The primary risks are physical incompatibility due to package size differences and electrical incompatibility from inductance mismatches.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | SDFL1005QR56KTF | MLJ1608WR56JT000 | SDFL1005QR68KTF | MWSD1005FR47JTM01 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1005 (0402) | 1608 (0603) | 1005 (0402) | 1005 (0402) | 1608 (0603) / 1005 (0402) — Larger package requires PCB redesign.; SDFL1005QR68KTF: Package size matches.; MWSD1005FR47JTM01: Package size matches. |
| Inductance | 560 nH | 560 nH | 680 nH | 470 nH | 560 nH / 680 nH / 470 nH — Inductance matches.; SDFL1005QR68KTF: Inductance is ~21% higher.; MWSD1005FR47JTM01: Inductance is ~16% lower. |
| Current | 15 mA | 400 mA | 15 mA | 350 mA | 400 mA / 15 mA / 350 mA — Significantly higher current rating.; SDFL1005QR68KTF: Rated current matches.; MWSD1005FR47JTM01: Significantly higher current rating. |
| Dcr | 0.8 Ω | 0.52 Ω | 0.8 Ω | 0.66 Ω | 0.52 Ω / 0.8 Ω / 0.66 Ω — Lower DC resistance is an improvement.; SDFL1005QR68KTF: DC resistance matches.; MWSD1005FR47JTM01: Lower DC resistance is an improvement. |
| Tolerance | ±10% | ±5% | - | - | ±5% — Tighter tolerance is an upgrade. |
| Srf | 70 MHz | - | 70 MHz | - | 70 MHz — Self-resonant frequency matches. |
| Construction | Multilayer | - | - | Wire Wound | Wire Wound — Different construction may affect performance. |
Application & sourcing insights
Questions & answers
The best alternative depends on your constraints. If you can change the PCB layout, MLJ1608WR56JT000 offers matching inductance with much better current and DCR in a 0603 package. If you cannot change the layout, you must evaluate parts with different inductance like SDFL1005QR68KTF (680nH).