
A strong pin-compatible match with identical key parameters, AEC-Q200, and an anti-sulfuration feature.
Finding a substitute for the Vishay CRCW0603100KFKEC 100kΩ 1% 0.1W 0603 resistor involves matching its key parameters and AEC-Q200 qualification. Several pin-compatible and functional alternatives exist from various manufacturers.
Many candidates match key electrical specs.
0603 is a standard package with many options.
AEC-Q200 requirement narrows options, but alternatives are available.
Direct replacement for CRCW0603100KFKEC should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The VO FCR0603F100K is the strongest candidate, matching all parameters including AEC-Q200 and adding an anti-sulfuration feature.
The main risk is using a substitute that lacks the target's AEC-Q200 qualification in an automotive or high-reliability application.

A strong pin-compatible match with identical key parameters, AEC-Q200, and an anti-sulfuration feature.
| Feature / factor | CRCW0603100KFKEC | FCR0603F100K | RT0603BRE07100KL | RT0603FRE07100KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | - | 0603 | 0603 / 0603 (1608 metric) — Package size matches.; RT0603FRE07100KL: Package size matches.; ERJ3EKF1003V: Package size matches. |
| Resistance | 100kΩ ±1% | 100kΩ ±1% | - | - | 100kΩ ±1% — Resistance and tolerance match.; ERJ3EKF1003V: Resistance and tolerance match. |
| Power | 0.1W | 0.1W | - | - | 0.1W — Power rating matches. |
| Application | AEC-Q200 | AEC-Q200, Anti-Sulfuration | Not specified | Not specified | AEC-Q200, Anti-Sulfuration / Not specified — Matches AEC-Q200 and adds anti-sulfuration.; RT0603BRE07100KL: Candidate lacks AEC-Q200 qualification.; RT0603FRE07100KL: Candidate lacks AEC-Q200 qualification.; ERJ3EKF1003V: Matches AEC-Q200 qualification. |
| Tolerance | ±1% | - | ±0.1% | - | ±0.1% — Significantly tighter tolerance. |
| Tcr | ±100 ppm/K | - | ±50 ppm/°C | ±50 ppm/°C | ±50 ppm/°C — Tighter TCR provides better stability.; RT0603FRE07100KL: Tighter TCR provides better stability. |
| Technology | Thick Film | - | Thin Film | Thin Film | Thin Film — Different technology may affect pulse handling.; RT0603FRE07100KL: Different technology may affect pulse handling. |
| Voltage | 75V | - | - | - | Missing — Voltage rating is not specified in provided data. |
Verified drop-in options for CRCW0603100KFKEC 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.