Is there a pin-compatible replacement for LQM21PN2R2MGSD?

Yes, BRC2012T2R2MD is a strong candidate for a pin-compatible replacement. LQM21PN2R2NGCD is also pin-compatible but has a lower current rating and should be used with caution.

What risks should I check before replacing LQM21PN2R2MGSD?

Before replacing, verify the substitute's rated current (thermal and saturation) meets or exceeds your application's peak and continuous current. Also, check the DC Resistance (DCR), as a higher value will increase power loss and heat.

LQM21PN2R2MGSD Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

Find and compare alternatives for the Murata LQM21PN2R2MGSD, a 2.2µH, 950mA inductor in an 0805 package. Review key parametric differences and potential risks before making a substitution in your power circuit.

AI replacement insight

Electrical riskmedium

Current rating and DCR are critical. A downgrade can cause overheating or voltage drops.

Package risklow

The 0805 package is standardized, but always verify land patterns between manufacturers.

Sourcing risklow

Multiple vendors produce similar 2.2µH 0805 inductors, but specs vary widely.

Can it be replaced directly?

Yes, BRC2012T2R2MD is a potential pin-compatible replacement offering better performance. For cost-sensitive or less demanding circuits, LQM21PN2R2NGCD is a form-fit option but has a lower current rating.

Best replacement path

BRC2012T2R2MD by Taiyo Yuden is a strong pin-compatible candidate with an improved current rating (1.0A vs 0.95A) and lower DCR.

Main risk

The primary risk is substituting with a part that has a lower current rating or higher DC resistance (DCR), which can lead to overheating, reduced efficiency, or circuit failure.

Recommended alternatives

A pin-compatible upgrade with higher current rating (1.0A) and lower DCR (0.143Ω) in the same 0805 package.

View details

Alternative comparison matrix

Feature / factor	LQM21PN2R2MGSD	BRC2012T2R2MD	WPN3012H2R2MT	LQM21PN2R2NGCD	Compatibility / risk
Package	0805 (2012 metric)	0805 (2012 metric)	3012 (3x3mm)	0805 (2012 metric)	0805 (2012 metric) / 3012 (3x3mm) — Form-fit compatible.; WPN3012H2R2MT: Not form-fit compatible.; LQM21PN2R2NGCD: Form-fit compatible.
Current	0.95A	1.0A	2.05A	0.8A	1.0A / 2.05A / 0.8A — Higher current rating.; WPN3012H2R2MT: Significantly higher current.; LQM21PN2R2NGCD: Lower current rating.
Dcr Ohm	0.18Ω	0.143Ω	0.09Ω	0.23Ω	0.143Ω / 0.09Ω / 0.23Ω — Lower DCR improves efficiency.; WPN3012H2R2MT: Significantly lower DCR.; LQM21PN2R2NGCD: Higher DCR reduces efficiency.
Saturation Current A	Not specified	1.1A	2.8A	-	1.1A / 2.8A — Target Isat is unknown.; WPN3012H2R2MT: Superior saturation performance.
Temperature	-40°C to +85°C	-40°C to +105°C	-	-	-40°C to +105°C — Wider operating range.
Tolerance	±20%	-	-	±30%	±30% — Wider inductance tolerance.

Application & sourcing insights

Questions & answers

The best alternative is BRC2012T2R2MD from TAIYO YUDEN. It offers a higher current rating, lower DCR, and a wider temperature range in the same 0805 package, making it a potential upgrade.