AC0603JR-07100KL
Yageo
Needs validationlow risk
Pin-compatible cross from Yageo with matching specs and added AEC-Q200 qualification.
Best Alternatives to WR06X104JTL
Find pin-compatible substitutes and upgrades for the Walsin WR06X104JTL, a general-purpose 100kΩ 5% 0.1W 0603 resistor. Many alternatives offer tighter tolerance and automotive-grade qualification.
AI replacement insight
Electrical risklow
Most alternatives offer tighter tolerance, which is a safe upgrade. Power ratings match.
Package risklow
All suggested candidates use the same 0603 package, ensuring physical compatibility.
Sourcing risklow
This is a very common resistor value and package, with many alternative manufacturers.
Can it be replaced directly?
Direct replacement for WR06X104JTL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Upgrade to an AEC-Q200 qualified, 1% tolerance part like Panasonic's ERJ3EKF1003V for higher reliability and precision.
Main risk
The primary risk is selecting a part with a different resistor technology (Thin Film vs. Thick Film), which can affect pulse handling and stability.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | WR06X104JTL | AC0603JR-07100KL | ERJ3EKF1003V | WR06X1003FTL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 | 0603 (1608 metric) | 0603 (1608 metric) | 0603 / 0603 (1608 metric) — Identical package size.; ERJ3EKF1003V: Identical package size.; WR06X1003FTL: Identical package size.; RT0603FRE07100KL: Identical package size. |
| Resistance | 100kΩ | 100kΩ | 100kΩ | 100kΩ | 100kΩ — Resistance value matches.; ERJ3EKF1003V: Resistance value matches.; WR06X1003FTL: Resistance value matches. |
| Tolerance | ±5% | ±5% | ±1% | ±1% | ±5% / ±1% — Tolerance matches.; ERJ3EKF1003V: Tighter tolerance is a safe upgrade.; WR06X1003FTL: Tighter tolerance is a safe upgrade.; RT0603FRE07100KL: Tighter tolerance is an upgrade. |
| Power | 0.1W | 0.1W | - | 0.1W | 0.1W — Power rating matches. Catalog spec of 1.0W appears to be an error.; WR06X1003FTL: Power rating matches. |
| Application | General Purpose | AEC-Q200 | AEC-Q200 | - | AEC-Q200 — Candidate is automotive grade, an upgrade.; ERJ3EKF1003V: Candidate is automotive grade, an upgrade. |
| Technology | Thick Film | - | - | Thick Film | Thick Film / Thin Film — Same resistor technology.; RT0603FRE07100KL: Different technology may affect performance. |
| Tcr | Not specified | - | - | - | ±50 ppm/°C — Better TCR, more stable over temperature. |
Application & sourcing insights
Questions & answers
Verified drop-in options for WR06X104JTL 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.