0805W8F4020T5E
UNI-ROYAL
Needs validationmedium risk
A potential pin-compatible alternative with matching resistance, tolerance, and power, but requires TCR verification.
Best Alternatives to FRC0805F4020TS
FRC0805F4020TS is a general-purpose 402Ω, 1%, 0.125W thick film resistor in a standard 0805 package. Finding alternatives requires careful matching of these key electrical parameters.
AI replacement insight
Electrical riskmedium
Resistance and TCR mismatches can impact circuit accuracy and stability.
Package risklow
All candidates use the same 0805 package, ensuring physical compatibility.
Can it be replaced directly?
Direct replacement for FRC0805F4020TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The best potential replacement is 0805W8F4020T5E by UNI-ROYAL, which matches key specs but requires datasheet verification for its Temperature Coefficient (TCR).
Main risk
The main risk is substituting with a resistor of a different value (e.g., 390Ω or 430Ω), which can alter circuit behavior and performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | FRC0805F4020TS | 0805W8F4020T5E | FRC0805F3900TS | FRC0805F4300TS | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 402 Ω | 402 Ω | 390 Ω | 430 Ω | 402 Ω / 390 Ω / 430 Ω — Exact match.; FRC0805F3900TS: Resistance is ~3% lower, outside target's ±1% tolerance band.; FRC0805F4300TS: Resistance is ~7% higher, outside target's ±1% tolerance band.; RT0805BRD07390RL: Resistance is ~3% lower, outside target's ±1% tolerance band. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% / ±0.1% — Exact match.; FRC0805F3900TS: Exact match.; FRC0805F4300TS: Exact match.; RT0805BRD07390RL: Tighter tolerance is an upgrade. |
| Power | 0.125 W | 0.125 W | 0.125 W | 0.125 W | 0.125 W — Exact match.; FRC0805F3900TS: Exact match.; FRC0805F4300TS: Exact match. |
| Package | 0805 | 0805 | - | - | 0805 — Form and fit match. |
| Tcr | ±100 ppm/°C | Not specified | ±100 ppm/°C | ±100 ppm/°C | Not specified / ±100 ppm/°C / 25 ppm/°C — TCR is a key parameter and must be verified from datasheet.; FRC0805F3900TS: Exact match.; FRC0805F4300TS: Exact match.; RT0805BRD07390RL: Lower TCR provides better stability over temperature. |
| Technology | Thick Film | - | - | - | Thin Film — Different technology may affect noise or pulse handling. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC0805F4020TS 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.