FRC2512F5102TS
FOJAN
Needs validationlow risk
Strong candidate with matching package, resistance, power, and tolerance.
Best Alternatives to 25121WF5102T4E
Find and compare replacements for the UNI-ROYAL 25121WF5102T4E, a 51kΩ, 1W, ±1% tolerance 2512 chip resistor. Pin-compatible and parametric alternatives are available.
AI replacement insight
Package risklow
Multiple candidates share the same 2512 package.
Electrical riskmedium
Some alternatives have different resistance or tolerance. Careful selection is required.
Can it be replaced directly?
Direct replacement for 25121WF5102T4E 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 25121WF5102T4E, then review parametric alternatives for package and electrical fit.
Main risk
The main risk is using a part with incorrect resistance or a wider tolerance, which could affect circuit performance.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | 25121WF5102T4E | FRC2512F5102TS | RC-12K5102FT | FRC2512J513 TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2512 | 2512 | 2512 | 2512 | 2512 — Same EIA package size.; RC-12K5102FT: Same EIA package size.; FRC2512J513 TS: Package size matches.; 25121WF4702T4E: Package size matches. |
| Resistance | 51kΩ | 51kΩ | 51kΩ | 51kΩ | 51kΩ / 47kΩ — Resistance values match.; RC-12K5102FT: Resistance values match.; FRC2512J513 TS: Resistance value matches.; 25121WF4702T4E: Resistance is ~8% lower. Verify circuit impact. |
| Power | 1W | 1W | 1W | 1W | 1W — Power ratings match.; RC-12K5102FT: Power ratings match.; FRC2512J513 TS: Power rating matches.; 25121WF4702T4E: Power rating matches. |
| Tolerance | ±1% | ±1% | ±1% | ±5% | ±1% / ±5% — Tolerance values match.; RC-12K5102FT: Tolerance values match.; FRC2512J513 TS: Wider tolerance may impact precision circuits.; 25121WF4702T4E: Tolerance matches. |
| Tcr | Not specified | - | ±100ppm/℃ | - | ±100ppm/℃ — TCR is specified, likely matches target. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 25121WF5102T4E 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.