0603WAF4020T5E
UNI-ROYAL
Needs validationlow risk
Excellent match with identical package, resistance, tolerance, and power rating. Cross-vendor alternative.
Best Alternatives to FRC0603F4020TS
Find verified substitutes and functional alternatives for the FOJAN FRC0603F4020TS, a 402Ω 1% 0.1W 0603 thick film resistor. Compare key parameters to ensure compatibility for your application.
AI replacement insight
Electrical risklow
Low for exact matches like 0603WAF4020T5E. Medium to High for parts with different resistance or technology.
Package risklow
All suggested candidates use the same 0603 package, minimizing physical compatibility issues.
Can it be replaced directly?
Direct replacement for FRC0603F4020TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a direct replacement, 0603WAF4020T5E from UNI-ROYAL is the best option as it matches all critical parameters including resistance, tolerance, power, and package.
Main risk
The main risk when substituting is selecting a part with a different resistance value or technology (e.g., thin film), which can affect circuit performance.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | FRC0603F4020TS | 0603WAF4020T5E | 0603WAF4220T5E | 0603WAF4420T5E | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Identical package ensures form and fit.; 0603WAF4220T5E: Identical package.; 0603WAF4420T5E: Identical package.; FRC0603F3900TS: Identical package. |
| Resistance | 402 Ω | 402 Ω | 422 Ω | 442 Ω | 402 Ω / 422 Ω / 442 Ω / 390 Ω — Resistance value is identical.; 0603WAF4220T5E: Resistance is ~5% higher than target's 402Ω.; 0603WAF4420T5E: Resistance is ~10% higher than target's 402Ω.; FRC0603F3900TS: Resistance is ~3% lower than target's 402Ω. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Tolerance is identical.; 0603WAF4220T5E: Tolerance is identical.; 0603WAF4420T5E: Tolerance is identical.; FRC0603F3900TS: Tolerance is identical. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Power rating is identical.; 0603WAF4220T5E: Power rating is identical.; 0603WAF4420T5E: Power rating is identical.; FRC0603F3900TS: Power rating is identical. |
| Technology | Thick Film | Thick Film | - | - | Thick Film — Resistor technology is the same. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC0603F4020TS 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.