RC0603FR-074K02L
Yageo
Needs validationlow risk
Yageo RC0603FR-074K02L is the closest 4.02 kΩ 0603 catalog match.
Best Alternatives to 0603WAF4021T5E
0603WAF4021T5E is a 4.02 kΩ ±1% 0603 thick film resistor. The closest listed alternative is same-value Yageo RC0603FR-074K02L, pending FAE review.
AI replacement insight
Electrical riskmedium
value changes on relaxed options
Package risklow
0603 and 2-pin fields align
Firmware risklow
passive part
Sourcing riskmedium
some parts lack product URLs
Can it be replaced directly?
Direct replacement for 0603WAF4021T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with RC0603FR-074K02L, then confirm package, land pattern, TCR, and 0.1 W derating.
Main risk
3.9 kΩ and 4.3 kΩ options change circuit behavior; all 0.1 W options need derating review.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | 0603WAF4021T5E | RC0603FR-074K02L | RC0603FR-073K9L | 0603WAF3901T5E | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | - | - | 0603 — same size |
| Pinout | 2 terminal | 2 terminal | - | - | 2 terminal — resistor |
| Resistance | 4.02 kΩ | 4.02 kΩ | - | - | 3.9 kΩ — -3.0% |
| Tolerance | ±1% | ±1% | - | - | ±1% — same |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — no extra margin |
| Tcr | unknown | - | - | - | — |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0603WAF4021T5E 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.