0402WGF4222TCE
UNI-ROYAL
Needs validationlow risk
A strong alternative with identical key specifications including resistance, tolerance, power, and package.
Best Alternatives to RTT024222FTH
Find direct and parametric alternatives for the RALEC RTT024222FTH 42.2kΩ 1% 0402 resistor. Review key parameter comparisons to ensure compatibility with your design.
AI replacement insight
Package risklow
All suggested alternatives use the same 0402 package.
Electrical riskmedium
Some candidates have different resistance values that must be verified for the application.
Can it be replaced directly?
Direct replacement for RTT024222FTH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The UNI-ROYAL 0402WGF4222TCE is a strong pin-to-pin candidate with matching key electricals. For flexibility, FOJAN parts like FRC0402F4322TS offer a close parametric alternative.
Main risk
The primary risk when substituting is a mismatch in resistance value. Even with the same tolerance, ensure the new resistance is acceptable for your circuit's performance.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | RTT024222FTH | 0402WGF4222TCE | FRC0402F4122TS | FRC0402F4322TS | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 42.2 kΩ | 42.2 kΩ | 41.2 kΩ | 43.2 kΩ | 42.2 kΩ / 41.2 kΩ / 43.2 kΩ / 44.2 kΩ — Resistance values are identical.; FRC0402F4122TS: Resistance is ~2.4% lower. Circuit tolerance should be verified.; FRC0402F4322TS: Resistance is ~2.4% higher. Circuit tolerance should be verified.; FRC0402F4422TS: Resistance is ~4.7% higher. Circuit tolerance must be verified. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Tolerance matches the target.; FRC0402F4122TS: Tolerance matches.; FRC0402F4322TS: Tolerance matches.; FRC0402F4422TS: Tolerance matches. |
| Power | 1/16W | 1/16W | 1/16W | 1/16W | 1/16W — Power rating is identical.; FRC0402F4122TS: Power rating matches.; FRC0402F4322TS: Power rating matches.; FRC0402F4422TS: Power rating matches. |
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Package size is identical.; FRC0402F4122TS: Package size matches.; FRC0402F4322TS: Package size matches.; FRC0402F4422TS: Package size matches. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficient matches target datasheet. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RTT024222FTH 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.