VMS-R050-1.0-U
Isabellenhuette USA
Needs validationmedium risk
Pin-compatible 2512 resistor with matching resistance, tolerance, and power, plus a superior TCR. Lacks power safety margin.
Best Alternatives to HoYLR2512-3W-50mR-1%
Find replacements for the HoYLR2512-3W-50mR-1%, a 3W, 50mΩ, 1% tolerance current sense resistor in a 2512 package. Alternatives require careful review of TCR and power derating.
AI replacement insight
Electrical riskmedium
Power rating lacks safety margin; TCR may be weaker in some candidates.
Package risklow
All viable candidates match the 2512 package.
Sourcing risklow
Multiple vendors produce similar parts.
Can it be replaced directly?
Direct replacement for HoYLR2512-3W-50mR-1% should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
VMS-R050-1.0-U offers an improved TCR but shares the same power rating, lacking the standard engineering safety margin. It is the strongest candidate but requires design review.
Main risk
The primary risk is thermal stress, as available alternatives match the 3W power rating but do not provide the recommended 1.5x safety margin. Some alternatives also have a weaker TCR.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | HoYLR2512-3W-50mR-1% | VMS-R050-1.0-U | PA2512FKF7T0R05E | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2512 | 2512 (6432 Metric) | 2512 (6432 Metric) | 2512 (6432 Metric) — Package matches target.; PA2512FKF7T0R05E: Package matches target. | |
| Resistance | 0.05 Ohm | 0.05 Ohm | 0.05 Ohm | 0.05 Ohm — Resistance matches target.; PA2512FKF7T0R05E: Resistance matches target. | |
| Power | 3.0 W | 3.0 W | 3.0 W | 3.0 W — Power rating matches but lacks recommended 1.5x safety margin.; PA2512FKF7T0R05E: Power rating matches but lacks recommended 1.5x safety margin. | |
| Tolerance | 1.0 % | 1.0 % | - | 1.0 % — Tolerance matches target. | |
| Tcr | ±50ppm/°C | < 20 ppm/K | ±100 ppm/°C | < 20 ppm/K / ±100 ppm/°C — TCR is better than target.; PA2512FKF7T0R05E: TCR is weaker than target, may affect precision. |
Application & sourcing insights
Questions & answers
Verified drop-in options for HoYLR2512-3W-50mR-1% are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.