FHD4012S-3R3MT
Shenzhen CJiang Technology Co., Ltd.
Needs validationmedium risk
A form-fit alternate from the same series with superior current ratings and DCR, but a lower inductance value.
Best Alternatives to FHD4012S-6R8MT
FHD4012S-6R8MT is a 6.8µH power inductor in a 4.0x4.0mm package. While no direct drop-in replacements are available, several alternatives from the same manufacturer series offer form-fit compatibility with different electrical characteristics.
AI replacement insight
Electrical riskhigh
Substituting with a different inductance value requires circuit redesign and validation.
Package risklow
Alternatives from the same series share the same 4012 package, ensuring mechanical compatibility.
Sourcing risklow
Other values in the same product family are likely available through similar distribution channels.
Can it be replaced directly?
There are no direct, drop-in replacements for FHD4012S-6R8MT among the candidates reviewed. All form-fit compatible parts have different inductance values.
Best replacement path
No direct drop-in replacement was found. The best path is to select another inductor from the same FHD4012S series, like FHD4012S-3R3MT or FHD4012S-2R2MT, which offer better current ratings in the same package, and adjust the circuit for the new inductance value.
Main risk
The primary risk is changing the inductance value, which will alter the performance of a power converter or filter, potentially causing instability, incorrect output voltage, or increased ripple.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | FHD4012S-6R8MT | FHD4012S-2R2MT | FHD4012S-3R3MT | FHD4012S-100MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4012 (4.0mm x 4.0mm) | 4012 (4.0mm x 4.0mm) | 4012 (4.0mm x 4.0mm) | 4012 (4.0mm x 4.0mm) | 4012 (4.0mm x 4.0mm) — Package size matches, enabling form-fit.; FHD4012S-3R3MT: Package size matches, enabling form-fit.; FHD4012S-100MT: Package size matches, enabling form-fit. |
| Resistance | 190 mΩ (Max) | 90 mΩ (Max) | 130 mΩ (Max) | 360 mΩ (Max) | 90 mΩ (Max) / 130 mΩ (Max) / 360 mΩ (Max) — Lower DCR improves efficiency.; FHD4012S-3R3MT: Lower DCR improves efficiency.; FHD4012S-100MT: Higher DCR will increase power loss. |
| Current | 2.2 A (Isat), 1.75 A (Irms) | 3.3 A (Isat), 2.5 A (Irms) | 3.3 A (Isat), 2.5 A (Irms) | 1.85 A (Isat) | 3.3 A (Isat), 2.5 A (Irms) / 1.85 A (Isat) — Both saturation and RMS current ratings are higher.; FHD4012S-3R3MT: Both saturation and RMS current ratings are higher.; FHD4012S-100MT: Saturation current is lower and may not be suitable. |
Application & sourcing insights
Questions & answers
No direct drop-in replacement was found. However, other parts in the cjiang FHD4012S series, such as FHD4012S-3R3MT, are form-fit compatible and offer higher current ratings, but have a different inductance value that requires engineering review.