WPN252012H2R2MTY01
Sunlord
Needs validationhigh risk
Functional alternative with higher saturation current but different package and higher DCR.
Best Alternatives to SWPA4026S2R2MT
Finding a substitute for the Sunlord SWPA4026S2R2MT, a 2.2µH power inductor in a 4026 package, requires careful review. While functional alternatives exist, direct drop-in replacements are scarce due to package size differences.
AI replacement insight
Package riskhigh
Target is 4026 package; all candidates are smaller (3012, 2520, etc.) and require a new PCB layout.
Electrical riskmedium
All candidates have higher DCR, leading to increased power loss and heat. Thermal performance must be re-evaluated.
Can it be replaced directly?
No direct, drop-in replacement for SWPA4026S2R2MT has been identified. All suitable functional alternatives require a PCB layout change due to different package sizes.
Best replacement path
Redesign for a new footprint, as no direct replacements were found. Prioritize candidates with the lowest DCR, such as WPN3012H2R2MT or WIP252012P-2R2ML, after validating thermal performance.
Main risk
The primary risk is the package mismatch, which makes all candidates incompatible without a board redesign. A secondary risk is the higher DCR in all alternatives, which will lower efficiency.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | SWPA4026S2R2MT | WPN252012H2R2MTY01 | WPN3012H2R2MT | VLS252010HBX-2R2M-1 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4026 | 2520 (1008 Metric) | 3012 | 2520 (1008 Metric) | 2520 (1008 Metric) / 3012 / 3030 (3.0 x 3.0 mm) — Requires PCB redesign.; WPN3012H2R2MT: Requires PCB redesign.; VLS252010HBX-2R2M-1: Requires PCB redesign.; VLS3012HBX-2R2M: Requires PCB redesign. |
| Inductance H | 2.2e-06 H | 2.2e-06 H | 2.2e-06 H | 2.2e-06 H | 2.2e-06 H — Inductance matches.; WPN3012H2R2MT: Inductance matches.; VLS252010HBX-2R2M-1: Inductance matches.; VLS3012HBX-2R2M: Inductance matches. |
| Saturation Current A | 2.1 A | 2.7 A | 2.8 A | 2.3 A | 2.7 A / 2.8 A / 2.3 A / 3.35 A — Candidate has higher saturation current.; WPN3012H2R2MT: Candidate has higher saturation current.; VLS252010HBX-2R2M-1: Candidate has higher saturation current.; VLS3012HBX-2R2M: Candidate has much higher saturation current. |
| Dcr Ohm | 0.04 ohm | 0.1 ohm | 0.09 ohm | 0.12 ohm | 0.1 ohm / 0.09 ohm / 0.12 ohm / 0.106 ohm — Significantly higher DCR reduces efficiency.; WPN3012H2R2MT: Higher DCR may reduce efficiency.; VLS252010HBX-2R2M-1: Significantly higher DCR reduces efficiency.; VLS3012HBX-2R2M: Significantly higher DCR reduces efficiency. |
| Current A | 1.85 A | - | 2.05 A | - | 2.05 A — Candidate has higher RMS current. |
Application & sourcing insights
Questions & answers
No single best alternative exists. Candidates like TDK's VLS3012HBX-2R2M offer higher current ratings but have a different package (3030) and higher DCR, requiring a board redesign and efficiency analysis.