FRC0402F4123TS
FOJAN
Needs validationmedium risk
A parametric alternative in the same 0402 package with a slightly higher resistance of 412kΩ.
Best Alternatives to FRC0402F3903TS
Reviewing alternatives for the FRC0402F3903TS, a 390kΩ 1% 1/16W 0402 chip resistor. Key considerations for substitutes include resistance deviation and TCR.
AI replacement insight
Electrical riskmedium
Resistance deviation up to 7.7% may impact circuit performance.
Package risklow
All candidates are in the 0402 package, ensuring physical compatibility.
Can it be replaced directly?
No direct, identical replacement was found. All candidates are parametric alternatives requiring engineering review due to resistance differences.
Best replacement path
RC-02K4023FT offers the closest parametric match with only a +3.1% resistance deviation.
Main risk
Resistance deviation from the 390kΩ target value.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | FRC0402F3903TS | FRC0402F4123TS | 0402WGF3653TCE | 0402WGF4123TCE | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 390kΩ | 412kΩ | 365kΩ | 412kΩ | 412kΩ / 365kΩ / 402kΩ — +5.6% deviation from target.; 0402WGF3653TCE: -6.4% deviation from target.; 0402WGF4123TCE: +5.6% deviation from target.; RC-02K4023FT: +3.1% deviation, a very close match. |
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Same EIA package size.; 0402WGF3653TCE: matched; 0402WGF4123TCE: matched; RC-02K4023FT: matched |
| Tolerance | ±1% | ±1% | - | - | ±1% — matched |
| Power | 1/16W | 1/16W | - | - | 1/16W — Power rating matches.; RC-02K4023FT: matched |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | Not specified | Not specified | ±100 ppm/°C / Not specified / ±100ppm/℃ — matched; 0402WGF3653TCE: TCR not found in structured data, requires datasheet check.; 0402WGF4123TCE: TCR not found in structured data, requires datasheet check.; RC-02K4023FT: matched |
Application & sourcing insights
Questions & answers
RC-02K4023FT from FH is a strong candidate, offering a close resistance of 402kΩ (a +3.1% deviation) with matching package, tolerance, and TCR. However, circuit validation is still recommended.