
An automotive-grade upgrade with superior current, temperature, and DCR specifications.
Find verified substitutes for the Sunlord SPH252010H2R2MT, a 2.2µH power inductor in a 2520 package. This guide provides pin-compatible upgrades and alternatives with detailed comparisons of current, resistance, and temperature ratings.
The 2520 (1008) package is highly standardized, making physical replacement straightforward.
Must verify current ratings (Irms, Isat) and DCR. Downgrades can cause inefficiency or failure.
Yes, several pin-compatible replacements exist. TDK's TFM series and INPAQ's WIP252012P-2R2ML are excellent upgrades with better performance.
TDK's TFM252012ALVA2R2MTAA offers superior current ratings, lower DCR, a wider temperature range, and is automotive qualified, making it an excellent upgrade.
The main risk when substituting is selecting a part with a lower heat rating current (Irms) or a narrower operating temperature range, which could lead to overheating or failure.

An automotive-grade upgrade with superior current, temperature, and DCR specifications.
| Feature / factor | SPH252010H2R2MT | TFM252012ALVA2R2MTAA | TFM252012ALMA2R2MTAA | WPN252012H2R2MTY01 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2520 (1008 Metric) | 2520 (1008 Metric) | 2520 (1008 Metric) | 2520 (1008 Metric) | 2520 (1008 Metric) / 2520 (1008) — Package size and pinout match.; TFM252012ALMA2R2MTAA: Package size and pinout match.; WPN252012H2R2MTY01: Package size and pinout match.; WIP252012P-2R2ML: Package size and pinout match. |
| Current | 1.8A / 1.55A | 2.8A / 2.6A | 2.8A / 2.6A | - | 2.8A / 2.6A — Significantly higher Isat and Irms.; TFM252012ALMA2R2MTAA: Significantly higher Isat and Irms. |
| Dcr Ohm | 0.114Ω | 0.084Ω | 0.084Ω | 0.100Ω | 0.084Ω / 0.100Ω / 0.085Ω — Lower DCR improves efficiency.; TFM252012ALMA2R2MTAA: Lower DCR improves efficiency.; WPN252012H2R2MTY01: Lower DCR improves efficiency.; WIP252012P-2R2ML: Lower DCR improves efficiency. |
| Temperature | -40 to +125°C | -55 to +150°C | - | - | -55 to +150°C — Wider operating temperature range. |
| Application | Commercial | AEC-Q200 | - | - | AEC-Q200 — Automotive grade provides higher reliability. |
| Voltage | Not specified | - | 20V | - | 20V — Lower rated voltage than similar TDK part. |
| Saturation Current A | 1.8A | - | - | 2.7A | 2.7A / 2.73A — Higher saturation current provides more margin.; WIP252012P-2R2ML: Significantly higher saturation current. |
| Current A | 1.55A | - | - | 1.9A | 1.9A / 2.06A — Higher heat rating current (Irms) allows for more power.; WIP252012P-2R2ML: Significantly higher heat rating current (Irms). |
The best alternative is TDK's TFM252012ALVA2R2MTAA. It is an automotive-grade, pin-compatible upgrade with significantly higher current ratings, lower resistance, and a wider temperature range.