LR123WF400NT4E
UNI-ROYAL
Needs validationmedium risk
A strong pin-compatible match from the same manufacturer with identical key electrical parameters.
Best Alternatives to LR123WF100LT4E
Explore verified substitutes for the UNI-ROYAL LR123WF100LT4E, a 3W, 0.1Ω, 2512 chip resistor. Find pin-compatible alternatives, upgrade paths, and cross-vendor options to ensure design flexibility and supply chain security.
AI replacement insight
Electrical risklow
Key parameters like resistance, power, and tolerance have direct matches available.
Package risklow
The 2512 package is a standard size, ensuring mechanical compatibility.
Sourcing risklow
Multiple vendors produce compatible parts, improving supply chain resilience.
Can it be replaced directly?
Direct replacement for LR123WF100LT4E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with Datasheet verified or Strong match candidates for LR123WF100LT4E, then review parametric alternatives for package and electrical fit.
Main risk
The primary risk is ensuring full datasheet validation for cross-vendor parts, checking for subtle differences in pulse handling or material composition not captured in key specs.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | LR123WF100LT4E | LR123WF400NT4E | HoLLR2512-3W-100mR-1% | RLP25FEGR100 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2512 | 2512 | 2512 | 2512 | 2512 / 2512 (6432 Metric) — Identical package ensures form and fit.; HoLLR2512-3W-100mR-1%: Identical package ensures form and fit.; RLP25FEGR100: Identical package ensures form and fit.; VMS-R100-1.0-U: Identical package ensures form and fit. |
| Power | 3.0 W | 3.0 W | 3.0 W | 3.0 W | 3.0 W / 4.0 W — Power rating matches target.; HoLLR2512-3W-100mR-1%: Power rating matches target.; RLP25FEGR100: Power rating matches target.; VMS-R100-1.0-U: Higher power rating provides more design margin. |
| Resistance | 0.1 Ω | 0.1 Ω | 0.1 Ω | 0.1 Ω | 0.1 Ω — Resistance value matches target.; HoLLR2512-3W-100mR-1%: Resistance value matches target.; RLP25FEGR100: Resistance value matches target.; VMS-R100-1.0-U: Resistance value matches target. |
| Tolerance | ±1.0% | ±1.0% | ±1.0% | ±1.0% | ±1.0% — Tolerance matches target.; HoLLR2512-3W-100mR-1%: Tolerance matches target.; RLP25FEGR100: Tolerance matches target. |
| Tcr | ±50 PPM/°C | ±50 PPM/°C | - | - | ±50 PPM/°C / <20 ppm/K — Temperature coefficient matches target.; VMS-R100-1.0-U: Superior TCR provides better stability over temperature. |
Application & sourcing insights
Questions & answers
Verified drop-in options for LR123WF100LT4E 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.