AC0402FR-7W1KL
Yageo
Needs validationlow risk
Strong pin-compatible alternative from Yageo with a higher power rating and matching AEC-Q200 qualification.
Best Alternatives to CRCW04021K00FKED
CRCW04021K00FKED is a popular 1kΩ, 1%, 0.063W resistor in an 0402 package, qualified for automotive use (AEC-Q200). Several pin-compatible and functional alternatives are available from various manufacturers.
AI replacement insight
Electrical riskhigh
Using a part without AEC-Q200 qualification in an automotive design introduces significant reliability and compliance risk.
Package risklow
All suggested alternatives use the standard 0402 package, ensuring physical compatibility.
Can it be replaced directly?
Direct replacement for CRCW04021K00FKED should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
AC0402FR-7W1KL from Yageo is the strongest alternative, matching all key parameters including AEC-Q200 and offering a higher power rating.
Main risk
The primary risk is using a non-AEC-Q200 qualified part in an automotive application where the original was specified.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | CRCW04021K00FKED | AC0402FR-7W1KL | ERA2AEB102X | CRCW04021K00FKEDC | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 (1005 Metric) | 0402 (1005 metric) | 0402 | 0402 (1005 Metric) / 0402 (1005 metric) — Package size matches.; ERA2AEB102X: Package size matches.; CRCW04021K00FKEDC: Package size matches.; HP02WAF1001TCE: Package size matches. |
| Resistance | 1.0 kΩ | 1.0 kΩ | - | - | 1.0 kΩ — Resistance value matches. |
| Power | 0.063 W | 0.125 W | - | 0.063 W | 0.125 W / 0.063 W / 0.1 W — Higher power rating provides more design margin.; CRCW04021K00FKEDC: Power rating matches.; HP02WAF1001TCE: Higher power rating. |
| Application | AEC-Q200 | AEC-Q200 | - | Commercial | AEC-Q200 / Commercial — Automotive qualification matches.; CRCW04021K00FKEDC: Lacks the target's AEC-Q200 qualification.; HP02WAF1001TCE: Lacks the target's AEC-Q200 qualification. |
| Tcr | ±100 ppm/K | ±100 ppm/°C | ±25 ppm/°C | - | ±100 ppm/°C / ±25 ppm/°C — Temperature coefficient matches.; ERA2AEB102X: Lower TCR provides better stability over temperature.; HP02WAF1001TCE: Temperature coefficient matches. |
| Tolerance | ±1.0% | - | ±0.1% | ±1% | ±0.1% / ±1% — Tighter tolerance offers higher precision.; CRCW04021K00FKEDC: Tolerance matches. |
| Technology | Thick Film | - | Thin Film | - | Thin Film — Different film technology may affect noise or pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for CRCW04021K00FKED 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.