RC0402FR-0712K1L
Yageo
Needs validationlow risk
Parametric alternative in the same 0402 package with a very close resistance of 12.1kΩ.
Best Alternatives to RTT021202FTH
RTT021202FTH is a standard 12kΩ, 1% 0402 chip resistor. While no exact cross is identified, several pin-compatible parametric alternatives and a functional alternative in a larger package are available, requiring careful review of resistance and power ratings.
AI replacement insight
Package riskhigh
One candidate has a different package (0805 vs 0402) and is not a drop-in replacement.
Electrical riskmedium
Pin-compatible options have slightly different resistance values or lack a conservative power safety margin.
Sourcing risklow
Multiple vendors (Yageo, UNI-ROYAL, FOJAN) offer similar parts, providing sourcing flexibility.
Can it be replaced directly?
No exact direct replacement from another manufacturer was found in this batch. Several parts are parametrically similar but have slight differences in resistance or lack a conservative power margin.
Best replacement path
For a near drop-in, RC0402FR-0712K1L is the closest option, but requires verifying that the 12.1kΩ resistance and lack of power margin are acceptable. For a more robust but non-drop-in solution, RC0805FR-0712KL offers a higher power rating but requires a PCB layout change.
Main risk
The primary risks are package incompatibility for functional alternatives and parametric deviations (resistance, power margin) for pin-compatible options.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | RTT021202FTH | RC0402FR-0712K1L | 0402WGF1242TCE | 0402WGF1102TCE | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — matched; 0402WGF1242TCE: matched; 0402WGF1102TCE: matched; FRC0402F1102TS: matched |
| Resistance | 12kΩ | 12.1kΩ | 12.4kΩ | 11kΩ | 12.1kΩ / 12.4kΩ / 11kΩ — Slightly higher resistance, within 1% of target.; 0402WGF1242TCE: Higher resistance (+3.3%), may affect circuit performance.; 0402WGF1102TCE: Lower resistance (-8.3%), may affect circuit performance.; FRC0402F1102TS: Lower resistance (-8.3%), may affect circuit performance. |
| Power | 1/16W | 1/16W | 1/16W | 1/16W | 1/16W — No additional power margin per conservative rules.; 0402WGF1242TCE: No additional power margin per conservative rules.; 0402WGF1102TCE: No additional power margin per conservative rules.; FRC0402F1102TS: No additional power margin per conservative rules. |
Application & sourcing insights
Questions & answers
The best alternative depends on your design constraints. RC0402FR-0712K1L is a close parametric match in the same package, but its resistance is 12.1kΩ. If a PCB change is possible, RC0805FR-0712KL is electrically more robust with a higher power rating.