Is there a pin-compatible replacement for NR5040-220MTSX01?

No direct pin-to-pin replacement has been confirmed. The VLS5045EX-220M is a form-fit-function candidate that requires layout verification. Other options are functional alternates in different packages.

What risks should I check before replacing NR5040-220MTSX01?

Key risks are package mismatch requiring PCB changes, and electrical downgrades. Check the candidate's package dimensions, current ratings (Irms and Isat), and DC Resistance (DCR) to ensure it meets your circuit's requirements.

NR5040-220MTSX01 Alternatives, Datasheet & Cross Reference | MAGNETSYC

Finding a replacement for the NR5040-220MTSX01 22µH inductor involves balancing package size with electrical performance. Several alternatives offer higher current ratings but may require PCB layout changes.

AI replacement insight

Package riskmedium

Most alternatives are in different packages. The best option (VLS5045EX-220M) is very close but needs verification.

Electrical risklow

Most candidates offer superior electrical performance. One candidate is a downgrade and carries high electrical risk.

Can it be replaced directly?

No drop-in replacement has been verified. VLS5045EX-220M is a potential form-fit-function match, while other parts are functional upgrades in different packages.

Best replacement path

TDK's VLS5045EX-220M is the strongest candidate, offering better performance in a very similar package, but requires footprint and height verification.

Main risk

The primary risk is mechanical incompatibility. Most alternatives have different package sizes, requiring PCB redesign. Even close matches need footprint verification.

Recommended alternatives

Strong electrical upgrade in a very similar package; verify footprint and height clearance.

View details

Alternative comparison matrix

Feature / factor	NR5040-220MTSX01	VLS5045EX-220M	VLS6045EX-220M	NR5040S220MT	Compatibility / risk
Inductance	22µH	22µH	22µH	22µH	22µH — Inductance value matches.; VLS6045EX-220M: Inductance value matches.; NR5040S220MT: Inductance value matches.
Package	5040	5045	6045	5040	5045 / 6045 / 5040 — Very similar package, check footprint and height (4.5mm vs 4.0mm).; VLS6045EX-220M: Larger package, requires PCB redesign.; NR5040S220MT: Same package code, likely form-fit compatible.
Current	1.8A	1.8A	1.9A	1.5A	1.8A / 1.9A / 1.5A — RMS current (Itemp) matches target.; VLS6045EX-220M: Higher RMS current rating.; NR5040S220MT: Lower RMS current rating.
Saturation Current	1.85A	2.0A	2.4A	1.6A	2.0A / 2.4A / 1.6A — Higher saturation current.; VLS6045EX-220M: Higher saturation current.; NR5040S220MT: Lower saturation current.
Dcr	160mΩ	125mΩ	105mΩ	168mΩ	125mΩ / 105mΩ / 168mΩ — Lower DCR, reduced power loss.; VLS6045EX-220M: Lower DCR, reduced power loss.; NR5040S220MT: Higher DCR, increased power loss.

Application & sourcing insights

Questions & answers

The TDK VLS5045EX-220M is a strong candidate, offering higher saturation current and lower DCR in a similar 5045 package. However, you must verify the PCB footprint and height clearance before use.