FRC0603F6803TS
FOJAN
Needs validationlow risk
A strong alternative with identical key electrical parameters and package from a different manufacturer.
Best Alternatives to RS-03K6803FT
Find the best alternatives for the RS-03K6803FT, a 680kΩ 1% 0.1W 0603 thick film resistor. This guide reviews pin-compatible options and parametric alternatives from various manufacturers.
AI replacement insight
Electrical riskmedium
Using a part with different resistance or tolerance requires analysis.
Package risklow
All suggested candidates use the same 0603 package.
Sourcing risklow
Multiple vendors produce similar 0603 resistors, providing a broad supply base.
Can it be replaced directly?
Direct replacement for RS-03K6803FT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most direct path is FRC0603F6803TS, which matches all key specs. If unavailable, consider parametric alternatives with nearby resistance values like FRC0603F6983TS (698kΩ), but verify circuit tolerance.
Main risk
The main risk is using a part with incorrect resistance or a wider tolerance, which can affect circuit performance, especially in precision applications.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RS-03K6803FT | FRC0603F6803TS | FRC0603J684 TS | 0603WAF6653T5E | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Identical package ensures form and fit.; FRC0603J684 TS: Identical package ensures form and fit.; 0603WAF6653T5E: Identical package.; FRC0603F6983TS: Identical package. |
| Resistance | 680kΩ | 680kΩ | 680kΩ | 665kΩ | 680kΩ / 665kΩ / 698kΩ — Resistance value is identical.; FRC0603J684 TS: Resistance value is identical.; 0603WAF6653T5E: Resistance is ~2.2% lower than target.; FRC0603F6983TS: Resistance is ~2.6% higher than target. |
| Tolerance | ±1% | ±1% | ±5% | ±1% | ±1% / ±5% — Tolerance matches the target's precision.; FRC0603J684 TS: Wider tolerance may not be suitable for precision circuits.; 0603WAF6653T5E: Tolerance matches.; FRC0603F6983TS: Tolerance matches. |
| Power | 100mW | 100mW | 100mW | - | 100mW — Power rating is identical.; FRC0603J684 TS: Power rating is identical. |
| Tcr | ±100ppm/℃ | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficient is the same. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RS-03K6803FT 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.