Is there a pin-compatible replacement for LQM21PN1R0MGHL?

DFE201210U-1R0M=P2 matches the 0805 package and pinout. While electrically superior, it is classified as a form-fit-function match pending full datasheet review, making it a likely candidate for pin-compatible replacement.

What risks should I check before replacing LQM21PN1R0MGHL?

Key risks include mismatched package size requiring PCB changes, lower current ratings causing overheating or failure, and higher DCR reducing efficiency. Always verify the candidate's current rating and physical dimensions.

LQM21PN1R0MGHL Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

LQM21PN1R0MGHL is a 1.0µH, 1.1A power inductor in an 0805 package from Murata. Finding a substitute involves matching inductance and package while seeking equal or better current rating and DC resistance.

AI replacement insight

Electrical risklow

Many candidates offer superior current and DCR ratings.

Package riskmedium

Many alternatives are in different packages (1008, 1210), requiring board changes.

Can it be replaced directly?

Yes, DFE201210U-1R0M=P2 is a potential direct replacement with improved electrical characteristics, but requires engineering review.

Best replacement path

Upgrade to DFE201210U-1R0M=P2 for higher current handling in the same 0805 package.

Main risk

The main risk is selecting a part with a different package size, which requires a board redesign.

Recommended alternatives

A potential upgrade with higher current rating and lower DCR in the same 0805 package.

View details

Alternative comparison matrix

Feature / factor	LQM21PN1R0MGHL	DFE201210U-1R0M=P2	LQM2HPN1R0MG0L	Compatibility / risk
Package	0805 (2012 metric)	0805 (2012 metric)	1008 (2520 metric)	0805 (2012 metric) / 1008 (2520 metric) — Same package and pin count.; LQM2HPN1R0MG0L: Larger package requires PCB redesign.
Inductance	1.0 µH	1.0 µH	1.0 µH	1.0 µH — Inductance matches.; LQM2HPN1R0MG0L: Inductance matches.
Current	1.1 A	3.1 A	1.6 A	3.1 A / 1.6 A — Significantly higher current rating.; LQM2HPN1R0MG0L: Higher current rating.
Dcr	0.1 Ω	0.095 Ω	0.069 Ω	0.095 Ω / 0.069 Ω — Lower DCR improves efficiency.; LQM2HPN1R0MG0L: Lower DCR improves efficiency.
Temperature	-40°C to +85°C	-40°C to +125°C	-	-40°C to +125°C — Wider operating temperature range.

Application & sourcing insights

Questions & answers

DFE201210U-1R0M=P2 offers a higher current rating (3.1A) and lower DCR in the same 0805 package, making it a strong potential upgrade. Verification of application-specific current needs is recommended.