Is there a pin-compatible replacement for VLCF4020T-2R2N1R7?

YJYCOIN's YHNR4020-2R2M has the same 4020 package and is a potential pin-compatible upgrade. Always verify the datasheet's recommended land pattern to ensure a perfect fit.

What risks should I check before replacing VLCF4020T-2R2N1R7?

First, check the package dimensions for a direct fit. Second, ensure the replacement's saturation (Isat) and RMS (Irms) currents are sufficient. Finally, check that its DC Resistance (DCR) is not too high, which would reduce efficiency.

VLCF4020T-2R2N1R7 Alternatives, Datasheet & Cross Reference | TDK Electronics AG

Reviewing alternatives for the TDK VLCF4020T-2R2N1R7, a 2.2µH power inductor in a 4.0x4.0mm package. Key considerations are matching the package for a drop-in replacement and ensuring current ratings and DCR meet or exceed original specifications.

AI replacement insight

Package riskhigh

High risk for non-4020 parts, requiring a new layout.

Electrical risklow

Low risk if selecting an upgrade path; must verify DCR and Irms for other options.

Can it be replaced directly?

YHNR4020-2R2M is a potential drop-in replacement with superior current handling and lower DCR. However, its land pattern should be verified from the datasheet before production.

Best replacement path

YHNR4020-2R2M is the best path, offering a significant performance upgrade in the same 4020 package.

Main risk

The main risk is selecting an alternative with a different package size, which requires a PCB redesign. Some functional alternatives may also have weaker electrical parameters.

Recommended alternatives

A form-fit upgrade with significantly higher current ratings (6A Isat) and lower DCR in the same 4020 package.

View details

Alternative comparison matrix

Feature / factor	VLCF4020T-2R2N1R7	YHNR4020-2R2M	XRIM252012S2R2MBCA	Compatibility / risk
Package	4020 (1515 Metric)	4020 (4.0mm x 4.0mm)	2520	4020 (4.0mm x 4.0mm) / 2520 — Package size matches, enabling potential drop-in.; XRIM252012S2R2MBCA: Smaller package (2.5x2.0mm) requires PCB redesign.
Saturation Current A	1.72A	6.0A	3.8A	6.0A / 3.8A — Significantly higher saturation current provides more margin.; XRIM252012S2R2MBCA: Higher saturation current provides more margin.
Current A	2.19A	4.0A	3.0A	4.0A / 3.0A — Higher RMS current rating allows for cooler operation.; XRIM252012S2R2MBCA: Higher RMS current rating.
Dcr Ohm	0.059Ω	0.046Ω	0.055Ω	0.046Ω / 0.055Ω — Lower DCR improves power efficiency.; XRIM252012S2R2MBCA: Slightly lower DCR improves efficiency.

Application & sourcing insights

Questions & answers

YHNR4020-2R2M is an excellent alternative, offering higher current ratings and lower resistance in the same 4x4mm package, making it a potential upgrade.