FRC0402F4221TS
FOJAN
Needs validationlow risk
A strong alternative with identical resistance, tolerance, power, and package.
Best Alternatives to RC0402FR-074K22L
RC0402FR-074K22L is a widely used 4.22kΩ 1% 1/16W chip resistor in a 0402 package. This page details potential replacements, including a strong pin-compatible candidate and several parametric alternatives for design flexibility.
AI replacement insight
Electrical riskmedium
Most candidates have different resistance values that must be validated by the user.
Package risklow
All presented candidates use the same 0402 package, ensuring physical compatibility.
Can it be replaced directly?
Yes, FRC0402F4221TS is a potential pin-to-pin replacement as it shares all key specifications. However, engineering validation is always recommended before production.
Best replacement path
FRC0402F4221TS is the strongest candidate with identical parameters, but requires review. For applications allowing minor resistance deviation, AEC-Q200 parts like AC0402FR-074K3L offer a reliability upgrade.
Main risk
The main risk is substituting with a part where the resistance value, even if close, is outside the acceptable range for the circuit's design, potentially affecting performance.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RC0402FR-074K22L | FRC0402F4221TS | AC0402FR-074K3L | FRC0402F4121TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Same package ensures form and fit.; AC0402FR-074K3L: Same package ensures form and fit.; FRC0402F4121TS: Same package ensures form and fit. |
| Resistance | 4.22 kΩ | 4.22 kΩ | 4.3 kΩ | 4.12 kΩ | 4.22 kΩ / 4.3 kΩ / 4.12 kΩ — Identical resistance value.; AC0402FR-074K3L: Resistance differs by +1.9%. Verify circuit tolerance.; FRC0402F4121TS: Resistance differs by -2.4%. Verify circuit tolerance. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Identical tolerance.; AC0402FR-074K3L: Identical tolerance.; FRC0402F4121TS: Identical tolerance. |
| Power | 1/16 W | 1/16 W | - | - | 1/16 W — Power rating is identical. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficient is identical. |
| Application | General Purpose | - | AEC-Q200 | - | AEC-Q200 — Candidate is automotive grade, an upgrade. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0402FR-074K22L 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.