
UNI-ROYAL
Strong alternative with matching resistance, tolerance, power, and package; requires TCR verification.
FRC0603F6R20TS is a general-purpose 6.2Ω 1% 0.1W resistor in a standard 0603 package. While no guaranteed drop-in replacement is confirmed, several strong functional and parametric alternatives are available that require minimal engineering review.
All viable candidates use the same 0603 package, ensuring physical compatibility.
Risk from using parts with different nominal resistance or unknown temperature coefficient (TCR). Requires circuit validation.
No guaranteed drop-in replacement has been verified. 0603WAF620KT5E is a strong candidate that is physically and electrically similar, but requires engineering review of its temperature coefficient (TCR) for your specific application.
The strongest candidate is 0603WAF620KT5E by UNI-ROYAL, which matches all key parameters except for an unspecified TCR. If TCR is not critical, it is the best option. Otherwise, parametric alternatives with known TCR are available.
The primary risk is electrical mismatch. Parametric alternatives have different resistance values (e.g., 6.8Ω or 5.6Ω), which could alter circuit behavior. The strongest match has an unknown temperature coefficient, posing a risk in temperature-sensitive designs.

UNI-ROYAL
Strong alternative with matching resistance, tolerance, power, and package; requires TCR verification.
| Feature / factor | FRC0603F6R20TS | 0603WAF620KT5E | FRC0603F5R60TS | FRC0603F6R80TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Same EIA package size.; FRC0603F5R60TS: Same EIA package size.; FRC0603F6R80TS: Same EIA package size. |
| Resistance | 6.2 Ω | 6.2 Ω | 5.6 Ω | 6.8 Ω | 6.2 Ω / 5.6 Ω / 6.8 Ω — Nominal resistance matches.; FRC0603F5R60TS: Resistance is ~9.7% lower. Circuit validation required.; FRC0603F6R80TS: Resistance is ~9.7% higher. Circuit validation required. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Same precision.; FRC0603F5R60TS: Same precision.; FRC0603F6R80TS: Same precision. |
| Power | 0.1W | 0.1W | - | - | 0.1W — Power rating matches. |
| Tcr | ±400 ppm/°C | Unknown | ±400 ppm/°C | ±400 ppm/°C | Unknown / ±400 ppm/°C — TCR not specified, review needed for precision applications.; FRC0603F5R60TS: TCR matches.; FRC0603F6R80TS: TCR matches. |
The best alternative is likely 0603WAF620KT5E, as it matches the resistance, tolerance, power, and package. However, its temperature coefficient (TCR) is not specified, so you must verify if this is acceptable for your design.