CRCW06031K00FKEAC
Vishay
Needs validationlow risk
An excellent pin-compatible alternative with all key electrical and physical parameters matching the target.
Best Alternatives to CR0603-FX-1001ELF
Find and compare verified substitutes for the Bourns CR0603-FX-1001ELF, a common 1kΩ 1% 0.1W 0603 thick film resistor. This page analyzes pin-compatible and functional alternatives from major manufacturers.
AI replacement insight
Package risklow
0603 is a highly standardized package, ensuring physical compatibility.
Electrical riskmedium
Risk is low for thick-film subs, but medium if using a thin-film part due to different performance characteristics.
Sourcing risklow
This is a high-volume, common resistor value available from many manufacturers.
Can it be replaced directly?
Direct replacement for CR0603-FX-1001ELF should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Direct replacement with another thick film 0603 1kΩ 1% resistor like Vishay's CRCW06031K00FKEAC.
Main risk
The primary risk is substituting with a different resistor technology (e.g., thin film) without evaluating its impact on circuit performance, such as pulse handling.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | CR0603-FX-1001ELF | CRCW06031K00FKEAC | 0603WAD1001T5E | WR06X1001FTL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 (1608 metric) | 0603 / 0603 (1608 metric) / 0603 (1608 Metric) — Standard 0603 package.; 0603WAD1001T5E: Standard 0603 package.; WR06X1001FTL: Standard 0603 package.; ERA3AEB102V: Standard 0603 package. |
| Resistance | 1000.0 ohm | 1000.0 ohm | - | 1000.0 ohm | 1000.0 ohm — Exact resistance match.; WR06X1001FTL: Exact resistance match. |
| Tolerance | 1.0 % | 1.0 % | 0.5 % | 1.0 % | 1.0 % / 0.5 % / 0.1 % — Exact tolerance match.; 0603WAD1001T5E: Tighter tolerance is an upgrade.; WR06X1001FTL: Exact tolerance match.; ERA3AEB102V: Tighter tolerance is an upgrade. |
| Power | 0.1 W | 0.1 W | - | 0.1 W | 0.1 W — Matching power rating.; WR06X1001FTL: Matching power rating. |
| Technology | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film / Thin Film — Matching resistor technology.; 0603WAD1001T5E: Matching resistor technology.; WR06X1001FTL: Matching resistor technology.; ERA3AEB102V: Different technology may affect pulse handling or noise. |
| Tcr | ±100 PPM/°C | ±100 ppm/K | Not specified | Not specified | ±100 ppm/K / Not specified / ±25 ppm/°C — ppm/K is equivalent to ppm/°C.; 0603WAD1001T5E: TCR not specified in data, likely standard ±100 ppm/°C.; WR06X1001FTL: TCR not specified in data, likely standard ±100 or ±200 ppm/°C.; ERA3AEB102V: Lower TCR is a significant upgrade. |
Application & sourcing insights
Questions & answers
Verified drop-in options for CR0603-FX-1001ELF 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.