What risks should I check before replacing SWPA3015S2R2NT?

When replacing SWPA3015S2R2NT, the main risks are package mismatch and electrical stress. Non-pin-compatible parts require a PCB redesign. For any substitute, verify that the saturation current (Isat) and RMS current (Irms) meet or exceed the original's 2.0A and 1.7A ratings, respectively, to avoid overheating or performance loss.

SWPA3015S2R2NT Alternatives, Datasheet & Cross Reference | Shenzhen Sunlord Electronics Co., Ltd.

SWPA3015S2R2NT is a 2.2µH, 1.7A SMD power inductor from Sunlord in a compact 3.0x3.0mm package. This page provides analysis of potential alternatives, including pin-compatible options and functional upgrades.

AI replacement insight

Package riskhigh

Most alternatives are not in the same 3015 package and require a PCB redesign.

Electrical riskmedium

Verify RMS current (Irms) and DC Resistance (DCR) to ensure thermal and efficiency targets are met.

Can it be replaced directly?

Direct replacement for SWPA3015S2R2NT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

SWPA3015S2R2MT offers the most direct replacement path due to its identical package and key parameters.

Main risk

The primary risk is selecting a part with a different package, which would require a board redesign.

Recommended alternatives

A potential pin-compatible alternate in the same series with tighter tolerance but slightly lower RMS current.

View details

Alternative comparison matrix

Feature / factor	SWPA3015S2R2NT	SWPA3015S2R2MT	WPN4020H2R2MT	WPN201610H2R2MT	Compatibility / risk
Package	3015	3015	4020	2016	3015 / 4020 / 2016 / 2520 — Identical package and footprint.; WPN4020H2R2MT: Larger package, not a drop-in fit.; WPN201610H2R2MT: Smaller package, not a drop-in fit.; MHCD252012A-2R2M-A8S: Smaller package, not a drop-in fit.
Inductance H	2.2 µH	2.2 µH	2.2 µH	2.2 µH	2.2 µH — Inductance value is identical.; WPN4020H2R2MT: Inductance value is identical.; WPN201610H2R2MT: Inductance value is identical.
Tolerance	±30%	±20%	-	-	±20% — Tighter tolerance is an upgrade.
Saturation Current A	2.0 A	2.0 A	7.6 A	-	2.0 A / 7.6 A / 3.3 A — Saturation current is identical.; WPN4020H2R2MT: Significantly higher saturation current.; MHCD252012A-2R2M-A8S: Higher saturation current.
Current A	1.7 A	1.6 A	4.3 A	1.7 A	1.6 A / 4.3 A / 1.7 A — Slightly lower RMS current rating.; WPN4020H2R2MT: Significantly higher RMS current.; WPN201610H2R2MT: RMS current is identical.
Dcr Ohm	0.06 Ω	0.06 Ω	0.04 Ω	0.142 Ω	0.06 Ω / 0.04 Ω / 0.142 Ω / 0.115 Ω — DC resistance is identical.; WPN4020H2R2MT: Lower DCR reduces losses.; WPN201610H2R2MT: Significantly higher DCR increases losses.; MHCD252012A-2R2M-A8S: Higher DCR increases losses.
Manufacturer Name	Sunlord	-	-	-	Chilisin — Different manufacturer.

Application & sourcing insights

Questions & answers

Verified drop-in options for SWPA3015S2R2NT are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.