Is there a pin-compatible replacement for MS05W2F500NT5E?

Yes, parts like YAGEO PA0805FRE470R005L are available in the same 0805 package. While they are form-fit compatible, electrical parameters like power derating must be confirmed for your application.

What risks should I check before replacing MS05W2F500NT5E?

The main risk is ensuring the substitute's power rating provides sufficient design margin. Also, verify the temperature coefficient (TCR) and technology meet your circuit's stability and performance needs.

MS05W2F500NT5E Alternatives, Datasheet & Cross Reference | UNI-ROYAL

Find substitutes for the UNI-ROYAL MS05W2F500NT5E, a 5mΩ, 0.5W, 1% current sense resistor in an 0805 package. Alternatives should be reviewed for power rating and temperature coefficient.

AI replacement insight

Electrical riskmedium

Power rating matches but lacks the recommended 1.5x safety factor.

Package risklow

Candidates are in the same 0805 package.

Can it be replaced directly?

No direct drop-in replacement is confirmed. Candidates match key specs but require engineering review of the power derating safety margin.

Best replacement path

YAGEO PA0805FRE470R005L offers the best parametric match with an improved TCR, but requires power margin verification.

Main risk

Insufficient power rating margin if the original design relied on the component's maximum rating without safety overhead.

Recommended alternatives

A 5mΩ, 1%, 0.5W resistor in an 0805 package with a superior TCR. Power rating should be reviewed.

View details

Alternative comparison matrix

Feature / factor	MS05W2F500NT5E	PA0805FRE470R005L	RLM10FTSMR005	Compatibility / risk
Package	0805	0805 (2012 Metric)	0805	0805 (2012 Metric) — Package size matches.; RLM10FTSMR005: Package size matches.
Resistance	5 mΩ	5 mΩ	5 mΩ	5 mΩ — Resistance matches.; RLM10FTSMR005: Resistance matches.
Tolerance	±1%	±1%	±1%	±1% — Tolerance matches.; RLM10FTSMR005: Tolerance matches.
Power	0.5W	0.5W	0.5W	0.5W — Matches target spec, but engineering rules recommend a higher safety margin. Review required.; RLM10FTSMR005: Matches target spec, but engineering rules recommend a higher safety margin. Review required.
Tcr	±100 ppm/°C	±50 ppm/°C	±50 ppm/°C	±50 ppm/°C — Candidate has a more stable temperature coefficient.; RLM10FTSMR005: Candidate has a more stable temperature coefficient.

Application & sourcing insights

Questions & answers

YAGEO PA0805FRE470R005L is a strong candidate, matching resistance, tolerance, and package, with a better TCR. However, its power rating matches the original, so design power margins must be verified.