Needs validationlow risk
A potential upgrade with higher current ratings in the same package size, requiring footprint verification.
Best Alternatives to WPN3012H2R2MT
WPN3012H2R2MT is a 2.2µH, 2.05A power inductor in a 3x3mm package. Key alternatives include form-fit options with higher current ratings and functional alternatives in different package sizes for design flexibility.
AI replacement insight
Electrical riskmedium
Many alternatives have different current ratings or DCR, impacting performance and reliability.
Package riskhigh
Many functional alternatives require a PCB redesign due to different package sizes.
Can it be replaced directly?
No verified direct drop-in replacement is available without review. TDK's VLS3012HBX-2R2M is the closest candidate but requires footprint verification. Sunlord's SWPA3012S2R2MT is a form-fit downgrade.
Best replacement path
Upgrade to TDK VLS3012HBX-2R2M for higher current handling in the same package size, after verifying the PCB footprint.
Main risk
The main risk is selecting a part with lower current ratings (Irms/Isat), which can lead to circuit failure. Package incompatibility is the second major risk.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | WPN3012H2R2MT | VLS3012HBX-2R2M | SPH4018H2R2MT | TFM252012ALVA2R2MTAA | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 3.0x3.0x1.2mm | 3.0x3.0x1.2mm | 4.0x4.0x1.8mm | 2.5x2.0x1.2mm | 3.0x3.0x1.2mm / 4.0x4.0x1.8mm / 2.5x2.0x1.2mm — Dimensions match, but footprint requires verification.; SPH4018H2R2MT: Larger package requires board redesign.; TFM252012ALVA2R2MTAA: Smaller package requires board redesign.; SWPA3012S2R2MT: Package is a form-fit match. |
| Current | 2.05A | 2.84A | 2.2A | 2.6A | 2.84A / 2.2A / 2.6A / 1.55A — Candidate has higher heat rating current (Irms).; SPH4018H2R2MT: Slightly higher Irms.; TFM252012ALVA2R2MTAA: Higher Irms.; SWPA3012S2R2MT: Significantly lower heat rating current (Irms). |
| Saturation Current | 2.8A | 3.35A | 3.0A | 2.8A | 3.35A / 3.0A / 2.8A / 1.9A — Candidate has higher saturation current (Isat).; SPH4018H2R2MT: Slightly higher Isat.; TFM252012ALVA2R2MTAA: Isat matches target.; SWPA3012S2R2MT: Significantly lower saturation current (Isat). |
| Dcr | 0.090Ω | 0.106Ω | 0.050Ω | 0.084Ω | 0.106Ω / 0.050Ω / 0.084Ω / 0.098Ω — Slightly higher DCR may reduce efficiency.; SPH4018H2R2MT: Significantly lower DCR improves efficiency.; TFM252012ALVA2R2MTAA: Slightly lower DCR improves efficiency.; SWPA3012S2R2MT: Slightly higher DCR. |
Application & sourcing insights
Questions & answers
VLS3012HBX-2R2M from TDK offers higher current ratings (2.84A Irms, 3.35A Isat) in the same 3x3x1.2mm package, making it a strong upgrade candidate. However, its DCR is slightly higher and the footprint should be verified.