
Vishay
AEC-Q200 qualified upgrade from the same series with tighter tolerance (±1%) and better TCR (±100ppm/K).
CRCW04021K00JNED is a widely used AEC-Q200 qualified 1kΩ 0402 chip resistor from Vishay. Several pin-compatible alternatives are available, many of which offer significant upgrades in tolerance, power rating, and temperature stability.
Most candidates offer superior electrical specs (tighter tolerance, better TCR), which is a low-risk upgrade.
All recommended candidates use the same standard 0402 package, ensuring form and fit compatibility.
Using a non-AEC-Q200 part in an automotive design can lead to qualification failure and reliability issues.
Yes, CRCW04021K00FKED is a direct pin-compatible upgrade from the same manufacturer and series with better electrical characteristics.
Use CRCW04021K00FKED for a direct upgrade within the same Vishay series, offering improved tolerance and TCR while retaining AEC-Q200 qualification.
The primary risk is using a substitute that is not AEC-Q200 qualified in an automotive application where the original part was specified for it.

Vishay
AEC-Q200 qualified upgrade from the same series with tighter tolerance (±1%) and better TCR (±100ppm/K).
| Feature / factor | CRCW04021K00JNED | CRCW04021K00FKED | AC0402FR-7W1KL | ERA2AEB102X | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Identical package and pinout.; AC0402FR-7W1KL: Identical package and pinout.; ERA2AEB102X: Identical package and pinout.; HP02WAF1001TCE: Identical package and pinout. |
| Resistance | 1 kΩ | 1 kΩ | - | - | 1 kΩ — Resistance matches. |
| Tolerance | ±5% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Tighter tolerance is a safe upgrade.; AC0402FR-7W1KL: Tighter tolerance is a safe upgrade.; ERA2AEB102X: Significantly tighter tolerance.; HP02WAF1001TCE: Tighter tolerance is a safe upgrade. |
| Tcr | ±200 ppm/K | ±100 ppm/K | ±100 ppm/°C | ±25 ppm/°C | ±100 ppm/K / ±100 ppm/°C / ±25 ppm/°C — Improved temperature stability.; AC0402FR-7W1KL: Improved temperature stability.; ERA2AEB102X: Significantly improved temperature stability. |
| Application | AEC-Q200 | AEC-Q200 | AEC-Q200 | AEC-Q200 | AEC-Q200 / Not specified — Both parts are automotive qualified.; AC0402FR-7W1KL: Both parts are automotive qualified.; ERA2AEB102X: Both parts are automotive qualified.; HP02WAF1001TCE: Candidate is not specified as AEC-Q200. |
| Power | 0.063 W | - | 0.125 W | - | 0.125 W / 0.1 W — Higher power rating provides more design margin.; HP02WAF1001TCE: Higher power rating provides more margin. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Thin film offers better stability and lower noise. |
The best alternative is CRCW04021K00FKED. It is from the same Vishay CRCW series, is AEC-Q200 qualified, and offers a direct upgrade to ±1% tolerance and a ±100 ppm/K TCR.