AC0402FR-071K2L
Yageo
Needs validationlow risk
An AEC-Q200 qualified resistor with nearly identical resistance and the same technology.
Best Alternatives to 0402WGF1211TCE
Finding a substitute for the UNI-ROYAL 0402WGF1211TCE, a 1.21kΩ 1% 0402 resistor, involves matching key parameters. Several alternatives offer similar or upgraded performance.
AI replacement insight
Electrical risklow
Candidates have matching or better electrical specs. The small resistance difference is within the target's own tolerance.
Package risklow
All top candidates use the same 0402 package, ensuring form and fit compatibility.
Sourcing risklow
Candidates are from major manufacturers like Yageo, often with better availability.
Can it be replaced directly?
Yes, several parts like Yageo's AC0402FR-071K2L are strong candidates. They share the 0402 package and have a nearly identical resistance of 1.2kΩ, making them suitable for replacement after design review.
Best replacement path
Upgrade to an AEC-Q200 qualified part with nearly identical resistance, such as Yageo AC0402FR-071K2L or the higher-spec AT0402BRD071K2L.
Main risk
The primary risk is the minor difference in resistance values (e.g., 1.21kΩ vs 1.2kΩ), which is negligible for most general-purpose applications but should be verified.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 0402WGF1211TCE | AC0402FR-071K2L | FRC0402F1201TS | AT0402BRD071K2L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 (1005 Metric) | 0402 / 0402 (1005 Metric) — Package matches.; FRC0402F1201TS: Package matches.; AT0402BRD071K2L: Package matches.; RC0402FR-071K15L: Package matches. |
| Resistance | 1.21 kΩ | 1.2 kΩ | 1.2 kΩ | 1.2 kΩ | 1.2 kΩ / 1.15 kΩ — Very close to target's 1.21kΩ, likely interchangeable.; FRC0402F1201TS: Very close to target's 1.21kΩ, likely interchangeable.; AT0402BRD071K2L: Very close to target's 1.21kΩ, likely interchangeable.; RC0402FR-071K15L: Resistance is ~5% lower than target's 1.21kΩ. |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Tolerance matches.; FRC0402F1201TS: Tolerance matches.; AT0402BRD071K2L: Tighter tolerance is a direct upgrade.; RC0402FR-071K15L: Tolerance matches. |
| Application | Commercial | AEC-Q200 | - | AEC-Q200 | AEC-Q200 — Automotive grade offers higher reliability.; AT0402BRD071K2L: Automotive grade offers higher reliability. |
| Voltage | 50 V | - | 50 V | - | 50 V — Rating matches target, but engineering rules suggest a larger margin. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Thin film offers better stability and lower noise. |
| Tcr | Not specified | - | - | ±25 ppm/°C | ±25 ppm/°C — Superior temperature coefficient. |
Application & sourcing insights
Questions & answers
Yageo's AT0402BRD071K2L is an excellent upgrade, offering tighter tolerance (0.1%), better stability (Thin Film), and AEC-Q200 qualification with a very close resistance of 1.2kΩ.