Is there a pin-compatible replacement for WPN252012H100MT?

Sunlord's SWPA252012S100MT is pin-compatible in the same 2520 package. However, it is a downgrade with lower current ratings (0.79A Isat, 0.62A Irms) and higher resistance, posing a high electrical risk.

What risks should I check before replacing WPN252012H100MT?

First, check the package size; most alternatives are larger and require a board redesign. Second, verify the current requirements (Isat and Irms) and DC resistance (DCR) to ensure the replacement meets or exceeds the original's performance and efficiency.

WPN252012H100MT Alternatives, Datasheet & Cross Reference | Shenzhen Sunlord Electronics Co., Ltd.

Finding a replacement for the Sunlord WPN252012H100MT 10µH inductor involves balancing package size and electrical performance. While no direct drop-in upgrades are available, several functional alternatives offer superior current handling in larger packages.

AI replacement insight

Electrical risklow

Many electrically superior options exist if package changes are possible.

Package riskhigh

No drop-in upgrades found; all better parts are physically larger.

Sourcing risklow

Multiple vendors offer functionally similar 10µH inductors.

Can it be replaced directly?

No direct, pin-compatible upgrade for WPN252012H100MT has been identified. The only same-package alternative, SWPA252012S100MT, is an electrical downgrade.

Best replacement path

For a performance upgrade, consider Sunlord's SWPA4030S100MT, but this requires a PCB layout change for the larger 4030 package.

Main risk

The primary risk is package incompatibility. All electrically superior alternatives are in larger packages, requiring a board redesign.

Recommended alternatives

An electrical upgrade with higher current and lower DCR, but in a larger 4030 package requiring a layout change.

View details

Alternative comparison matrix

Feature / factor	WPN252012H100MT	SWPA4030S100MT	VLS6045EX-100M	SWPA252012S100MT	Compatibility / risk
Package	2520 (1008 Metric)	4030	6.0 mm x 6.0 mm	2520	4030 / 6.0 mm x 6.0 mm / 2520 — Larger package requires PCB redesign.; VLS6045EX-100M: Much larger package requires PCB redesign.; SWPA252012S100MT: Same package and footprint.
Saturation Current	1.1A	1.95A	3.9A	0.79A	1.95A / 3.9A / 0.79A — Higher saturation current.; VLS6045EX-100M: Significantly higher saturation current.; SWPA252012S100MT: Significant downgrade, may saturate.
Rms Current	1.0A	1.5A	3.4A	0.62A	1.5A / 3.4A / 0.62A — Higher thermal current limit.; VLS6045EX-100M: Significantly higher thermal current.; SWPA252012S100MT: Lower thermal current limit.
Dcr	0.435Ω	0.13Ω	0.047Ω	0.69Ω	0.13Ω / 0.047Ω / 0.69Ω — Much lower DCR improves efficiency.; VLS6045EX-100M: Vastly lower DCR improves efficiency.; SWPA252012S100MT: Higher DCR increases power loss.
Inductance	10µH	-	-	10µH	10µH — matched

Application & sourcing insights

Questions & answers

The best alternative depends on your priority. For an electrical upgrade, SWPA4030S100MT offers higher current and lower DCR but requires a new PCB layout. If you must maintain the 2520 package, SWPA252012S100MT is an option, but it has lower current ratings and must be carefully evaluated.