What risks should I check before replacing SWPA4018S220MT?

Key risks include package and footprint mismatches, and differences in electrical parameters like DCR and current ratings. Always verify the candidate's datasheet for pinout, dimensions, and ensure its current handling (Irms, Isat) meets or exceeds your application's requirements.

SWPA4018S220MT Alternatives, Datasheet & Cross Reference | Shenzhen Sunlord Electronics Co., Ltd.

Find suitable replacements for the Sunlord SWPA4018S220MT, a 22µH power inductor in a 4018 package. This guide reviews pin-compatible options and functional alternatives with different footprints but improved electrical characteristics.

AI replacement insight

Electrical risklow

Most candidates offer stronger electrical performance.

Package riskhigh

High for functional alternates; low but requires verification for pin-compatible options.

Sourcing risklow

Alternatives are available from multiple major manufacturers.

Can it be replaced directly?

Direct replacement for SWPA4018S220MT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

For a drop-in replacement, focus on NRS4018T220MDGJ after verifying its footprint. For new designs, functional alternatives like VLS6045EX-220M offer superior performance in a larger package.

Main risk

The main risk is assuming pin compatibility without verifying the datasheet, as even same-sized packages can have different land patterns.

Recommended alternatives

A potential pin-compatible alternative from TAIYO YUDEN with improved current handling and lower resistance.

View details

Alternative comparison matrix

Feature / factor	SWPA4018S220MT	NRS4018T220MDGJ	SPH4018H220MT	VLS6045EX-220M	Compatibility / risk
Package	4018	4018	4018	6045	4018 / 6045 — Package size matches target.; SPH4018H220MT: Package size matches target.; VLS6045EX-220M: Larger package requires PCB redesign.
Inductance	22uH	22uH	22uH	22uH	22uH — Inductance matches.; SPH4018H220MT: Inductance matches.; VLS6045EX-220M: Inductance matches.
Saturation Current A	0.8A	0.9A	0.9A	2.4A	0.9A / 2.4A — Higher saturation current is an upgrade.; SPH4018H220MT: Slightly higher saturation current.; VLS6045EX-220M: Significantly higher saturation current.
Current A	0.59A	0.72A	-	1.9A	0.72A / 1.9A — Higher RMS current is an upgrade.; VLS6045EX-220M: Significantly higher RMS current.
Dcr Ohm	0.36Ω	0.29Ω	0.348Ω	0.105Ω	0.29Ω / 0.348Ω / 0.105Ω — Lower DCR improves efficiency.; SPH4018H220MT: DCR is nearly identical.; VLS6045EX-220M: Significantly lower DCR.
Pin Count	2	-	null	-	null — Pin count data is missing.

Application & sourcing insights

Questions & answers

Verified drop-in options for SWPA4018S220MT 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.