FRC0805F4020TS
FOJAN
Needs validationlow risk
Strong match with identical resistance, tolerance, power rating, and 0805 package.
Best Alternatives to 0805W8F4020T5E
Finding a replacement for the UNI-ROYAL 0805W8F4020T5E, a 402Ω 1% 1/8W 0805 thick film resistor, involves matching key electrical parameters and package size. Several alternatives exist, from direct matches to parametric variations.
AI replacement insight
Package risklow
All candidates share the same 0805 package, ensuring physical compatibility.
Electrical riskmedium
Risk is low for direct matches, but medium for parametric alternatives with different resistance values.
Can it be replaced directly?
Yes, FOJAN FRC0805F4020TS is a potential direct replacement for 0805W8F4020T5E, matching all key specifications including resistance, tolerance, power, and package.
Best replacement path
The best replacement path is finding another 0805 thick film resistor with 402Ω resistance, ±1% tolerance, and a power rating of at least 0.125W. FOJAN FRC0805F4020TS is a strong candidate.
Main risk
The main risk when substituting is using a part with a different resistance value, which can alter circuit behavior. For example, using a 390Ω or 430Ω resistor requires engineering validation.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | 0805W8F4020T5E | FRC0805F4020TS | FRC0805F3900TS | FRC0805F4300TS | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 402 Ω | 402 Ω | 390 Ω | 430 Ω | 402 Ω / 390 Ω / 430 Ω — Resistance matches target.; FRC0805F3900TS: Resistance is ~3% lower than target's 402Ω.; FRC0805F4300TS: Resistance is ~7% higher than target's 402Ω.; RS-05K3900FT: Resistance is ~3% lower than target's 402Ω. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Tolerance matches target.; FRC0805F3900TS: Tolerance matches target.; FRC0805F4300TS: Tolerance matches target.; RS-05K3900FT: Tolerance matches target. |
| Power | 0.125 W | 0.125 W | 0.125 W | 0.125 W | 0.125 W — Power rating matches target.; FRC0805F3900TS: Power rating matches target.; FRC0805F4300TS: Power rating matches target.; RS-05K3900FT: Power rating matches target. |
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Package size matches.; FRC0805F3900TS: Package size matches.; FRC0805F4300TS: Package size matches.; RS-05K3900FT: Package size matches. |
| Technology | Thick Film | Thick Film | - | - | Thick Film — Technology matches target. |
Application & sourcing insights
Questions & answers
FOJAN FRC0805F4020TS is an excellent alternative, offering identical key electrical and physical specifications, making it a strong candidate for a direct replacement.