Is there a pin-compatible replacement for LR2512-22R015F4?

Yes, parts like Yageo PA2512FKE7T0R015E appear to be pin-compatible, sharing the 2512 package and key electricals. However, always verify the datasheet land pattern and thermal characteristics.

What risks should I check before replacing LR2512-22R015F4?

Key risks include thermal performance due to power rating differences, and ensuring the temperature coefficient of the replacement is suitable for your circuit's precision requirements.

LR2512-22R015F4 Alternatives, Datasheet & Cross Reference | RALEC

Find suitable replacements for the RALEC LR2512-22R015F4, a 2W, 15mΩ current sense resistor in a 2512 package. Alternatives with higher power ratings are available but require engineering review.

AI replacement insight

Electrical risklow

Key parameters match or are improved.

Package risklow

All top candidates share the 2512 package.

Sourcing riskmedium

Check stock and lead times for all candidates.

Can it be replaced directly?

No exact 1:1 replacement is identified, but several pin-compatible upgrades exist. The Yageo PA2512FKE7T0R015E is the closest match with improved power handling.

Best replacement path

Upgrade to a 3W-rated part like Yageo PA2512FKE7T0R015E for improved power handling and thermal margin.

Main risk

Thermal management. While higher power-rated parts are safer, their thermal dissipation might differ and should be verified on the PCB.

Recommended alternatives

A pin-compatible alternative from Yageo in a 2512 package with an increased power rating of 3W.

View details

Alternative comparison matrix

Feature / factor	LR2512-22R015F4	PA2512FKE7T0R015E	RLP25FEGR015	Compatibility / risk
Package	2512	2512	2512	2512 — Package size matches.; RLP25FEGR015: Package size matches.
Resistance	15mΩ	15mΩ	15mΩ	15mΩ — Resistance matches.; RLP25FEGR015: Resistance matches.
Power	2W	3W	3W	3W — Higher power rating provides more margin.; RLP25FEGR015: Higher power rating provides more margin.
Tolerance	1%	1%	-	1% — Tolerance matches.
Tcr	Not specified	±50 ppm/°C	-	±50 ppm/°C — Candidate has a specified low TCR.
Temperature	-55°C to +170°C	-	Not specified	Not specified — Verify operating temperature from datasheet.

Application & sourcing insights

Questions & answers

Yageo's PA2512FKE7T0R015E is a strong candidate, offering the same resistance and tolerance in a 2512 package but with an upgraded 3W power rating. Engineering verification is recommended.