25121WF330KT4E
UNI-ROYAL
Needs validationlow risk
A potential pin-compatible part from UNI-ROYAL. Package, resistance, and power match; TCR must be checked.
Best Alternatives to RC2512FK-073R3L
Finding a substitute for the Yageo RC2512FK-073R3L, a 1W, 3.3Ω, 1% resistor in a 2512 package, involves matching key parameters. Several alternatives exist, but careful review of secondary characteristics like TCR is essential for a reliable replacement.
AI replacement insight
Electrical riskmedium
Potential for mismatch in Temperature Coefficient (TCR) or pulse handling capability, which can affect circuit performance.
Package risklow
The 2512 package is highly standardized, making physical replacement straightforward.
Can it be replaced directly?
Direct replacement for RC2512FK-073R3L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use a candidate with identical resistance, tolerance, power, and package, such as FRC2512F3R30TS, after verifying its TCR from the datasheet.
Main risk
Electrical risk from mismatched secondary parameters.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | RC2512FK-073R3L | 25121WF330KT4E | FRC2512F3R30TS | RC2512FK-073RL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2512 (6332 metric) | 2512 | 2512 | 2512 | 2512 — Matches target package size.; FRC2512F3R30TS: Matches target package size.; RC2512FK-073RL: Matches target package size.; FRC2512F3R60TS: Matches target package size. |
| Resistance | 3.3 Ω | 3.3 Ω | 3.3 Ω | 3.0 Ω | 3.3 Ω / 3.0 Ω / 3.6 Ω — Identical resistance value.; FRC2512F3R30TS: Identical resistance value.; RC2512FK-073RL: Slightly lower resistance (-9%). Check circuit sensitivity.; FRC2512F3R60TS: Slightly higher resistance (+9%). Check circuit sensitivity. |
| Power | 1 W | 1 W | 1 W | - | 1 W — Matches target power rating.; FRC2512F3R30TS: Matches target power rating. |
| Tcr | ±200 ppm/°C | Unknown | Unknown | ±200 ppm/°C | Unknown / ±200 ppm/°C — TCR not specified in catalog data, must verify from datasheet.; FRC2512F3R30TS: TCR not specified in catalog data, must verify from datasheet.; RC2512FK-073RL: Matches target TCR.; FRC2512F3R60TS: TCR not specified, must verify from datasheet. |
| Tolerance | ±1% | - | ±1% | - | ±1% — Matches target tolerance. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC2512FK-073R3L 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.