
Yageo
An excellent upgrade with tighter ±1% tolerance, better TCR, and AEC-Q200 qualification in the same 0603 package.
Find reliable substitutes for the 0603WAJ0681T5E, a 680Ω 5% 0.1W 0603 resistor. This guide provides pin-compatible matches, performance upgrades, and parametric alternatives to meet your design and sourcing needs.
For pin-compatible matches, electrical risk is low. For others, verify resistance, TCR, and technology.
All presented candidates use the same 0603 package, so there is no physical layout risk.
This is a common resistor value with many manufacturers, reducing sourcing risk.
Direct replacement for 0603WAJ0681T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best replacement path is an upgrade to a part like the Yageo AC0603FR-07680RL, which offers tighter tolerance, better TCR, and automotive qualification.
The main risk is selecting a parametric alternative with a different resistance value or a functional alternative with a different technology (Thin Film) without verifying circuit impact.

Yageo
An excellent upgrade with tighter ±1% tolerance, better TCR, and AEC-Q200 qualification in the same 0603 package.
| Feature / factor | 0603WAJ0681T5E | AC0603FR-07680RL | RS-03K6800FT | FRC0603J681 TS | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 680 Ω | 680 Ω | 680 Ω | 680 Ω | 680 Ω / 715 Ω — Resistance matches.; RS-03K6800FT: Resistance matches.; FRC0603J681 TS: Resistance matches.; FRC0603F7150TS: Resistance is 5.1% higher; outside target's 5% tolerance. |
| Tolerance | ±5% | ±1% | ±1% | ±5% | ±1% / ±5% — Tighter tolerance is a direct upgrade.; RS-03K6800FT: Tighter tolerance is a direct upgrade.; FRC0603J681 TS: Tolerance matches.; FRC0603F7150TS: Tighter tolerance. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Power rating matches.; RS-03K6800FT: Power rating matches.; FRC0603J681 TS: Power rating matches.; FRC0603F7150TS: Power rating matches. |
| Tcr | Not specified | ±100 ppm/°C | ±100 ppm/℃ | ±400 ppm/°C | ±100 ppm/°C / ±100 ppm/℃ / ±400 ppm/°C — Improved TCR enhances stability.; RS-03K6800FT: Improved TCR enhances stability.; FRC0603J681 TS: Candidate TCR is high; may not be suitable for precision applications. |
| Application | Commercial | AEC-Q200 | - | - | AEC-Q200 — Automotive qualification is an upgrade. |
| Package | 0603 | - | 0603 | 0603 | 0603 — Package size matches.; FRC0603J681 TS: Package size matches.; FRC0603F7150TS: Package size matches. |
Verified drop-in options for 0603WAJ0681T5E 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.