
UNI-ROYAL
A cross-vendor upgrade from UNI-ROYAL with tighter 1% tolerance in the same 0402 package.
Find pin-compatible and upgrade path alternatives for the FRC0402J513 TS, a 51 kΩ 5% 0402 chip resistor. Review key parametric differences before substitution.
Parameters are matched or improved. Power rating has no margin.
All candidates share the same 0402 package.
Multiple alternatives are available from major manufacturers.
Direct replacement for FRC0402J513 TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Upgrade to an AEC-Q200 qualified part like Yageo AC0402FR-0751KL for improved tolerance and reliability.
Lack of increased power rating margin across all candidates.

UNI-ROYAL
A cross-vendor upgrade from UNI-ROYAL with tighter 1% tolerance in the same 0402 package.
| Feature / factor | FRC0402J513 TS | 0402WGF5112TCE | RC0402FR-0751K1L | RC0402JR-0751KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Same package and pin count.; RC0402FR-0751K1L: Same package and pin count.; RC0402JR-0751KL: Same package and pin count.; 0402WGJ0513TCE: Same package and pin count. |
| Tolerance | 5% | 1% | 1% | 5% | 1% / 5% — Tighter tolerance provides higher precision.; RC0402FR-0751K1L: Tighter tolerance provides higher precision.; RC0402JR-0751KL: Tolerance is identical.; 0402WGJ0513TCE: Tolerance is identical. |
| Resistance | 51 kΩ | 51.1 kΩ | 51.1 kΩ | 51 kΩ | 51.1 kΩ / 51 kΩ — Negligible 0.2% difference, well within target's tolerance.; RC0402FR-0751K1L: Negligible 0.2% difference, well within target's tolerance.; RC0402JR-0751KL: Resistance value is identical.; 0402WGJ0513TCE: Resistance value is identical. |
| Power | 0.0625 W | 0.0625 W | 0.0625 W | 0.0625 W | 0.0625 W — Power rating is identical; no additional margin.; RC0402FR-0751K1L: Power rating is identical; no additional margin.; RC0402JR-0751KL: Power rating is identical; no additional margin.; 0402WGJ0513TCE: Power rating is identical; no additional margin. |
Verified drop-in options for FRC0402J513 TS 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.