VMS-R050-1.0-U
Isabellenhuette USA
Needs validationlow risk
An excellent upgrade with higher 3W power rating and superior temperature stability (<20 ppm/K).
Best Alternatives to RLP25FEER050
RLP25FEER050 is a 2W, 50mΩ, 1% tolerance current sense resistor in a 2512 package, qualified to AEC-Q200 for automotive use. This page provides a list of potential alternatives and their key parametric differences for engineering review.
AI replacement insight
Electrical riskhigh
Substituting with a higher TCR part degrades accuracy over temperature.
Sourcing riskhigh
Using a non-AEC-Q200 part in an automotive design can cause qualification failure.
Package risklow
All suggested alternatives use the same 2512 package.
Can it be replaced directly?
Yes, several pin-compatible parts exist, but require careful review of TCR and AEC-Q200 qualification.
Best replacement path
Upgrade to VMS-R050-1.0-U for higher power and better TCR.
Main risk
The main risk is substituting with a part that has a worse Temperature Coefficient (TCR) or lacks AEC-Q200 qualification, impacting performance and reliability in precision or automotive circuits.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | RLP25FEER050 | VMS-R050-1.0-U | PE2512FKE7W0R05L | HoYLR2512-3W-50mR-1% | Compatibility / risk |
|---|---|---|---|---|---|
| Power | 2.0W | 3.0W | 2.0W | 3.0W | 3.0W / 2.0W — Candidate has 50% higher power rating.; PE2512FKE7W0R05L: matched; HoYLR2512-3W-50mR-1%: Candidate has a higher power rating.; MFL12HR050FT: matched |
| Tcr | ±50ppm/℃ | < 20 ppm/K | ±75 ppm/°C | ±50ppm/°C | < 20 ppm/K / ±75 ppm/°C / ±50ppm/°C / ±50 ppm/℃ — Candidate has significantly better temperature stability.; PE2512FKE7W0R05L: Candidate has a worse temperature coefficient.; HoYLR2512-3W-50mR-1%: matched; MFL12HR050FT: matched |
| Resistance | 0.05 Ohm | 0.05 Ohm | - | - | 0.05 Ohm — matched |
| Tolerance | 1.0% | 1.0% | - | - | 1.0% — matched |
| Package | 2512 | 2512 | 2512 | 2512 | 2512 — matched; PE2512FKE7W0R05L: matched; HoYLR2512-3W-50mR-1%: matched; MFL12HR050FT: matched |
| Application | AEC-Q200 | - | AEC-Q200 | Missing | AEC-Q200 / Missing — matched; HoYLR2512-3W-50mR-1%: Candidate does not specify AEC-Q200 qualification.; MFL12HR050FT: Candidate does not specify AEC-Q200 qualification. |
Application & sourcing insights
Questions & answers
VMS-R050-1.0-U from Isabellenhuette is a strong upgrade, offering higher 3W power and a better TCR of <20 ppm/K while matching all other key specifications including AEC-Q200 qualification.