
FOJAN
A pin-compatible 402Ω 1% 0.1W resistor in the same 0603 package. All key parameters match.
0603WAF4020T5E is a general-purpose 0.1W thick film chip resistor from UNI-ROYAL, featuring a 402Ω resistance, ±1% tolerance, and a standard 0603 package. This page provides verified alternatives and parametric options.
All suggested alternatives use the same 0603 package, ensuring form and fit compatibility.
Resistance value must be carefully checked. Using a part with a different value can alter circuit behavior.
Yes, FRC0603F4020TS by FOJAN is a direct, pin-to-pin replacement for 0603WAF4020T5E.
The best replacement is FRC0603F4020TS, which matches all key electrical and physical parameters.
The primary risk when substituting this part is a mismatch in resistance value. Several alternatives have similar packages but different resistances.

FOJAN
A pin-compatible 402Ω 1% 0.1W resistor in the same 0603 package. All key parameters match.
| Feature / factor | 0603WAF4020T5E | FRC0603F4020TS | 0603WAF4220T5E | 0603WAF4420T5E | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 402 Ω | 402 Ω | 422 Ω | 442 Ω | 402 Ω / 422 Ω / 442 Ω / 390 Ω — Exact match.; 0603WAF4220T5E: Candidate resistance is ~5% higher. Circuit tolerance must be verified.; 0603WAF4420T5E: Candidate resistance is ~10% higher. Circuit tolerance must be verified.; FRC0603F3900TS: Candidate resistance is ~3% lower. Circuit tolerance must be verified. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Exact match.; 0603WAF4220T5E: Exact match.; 0603WAF4420T5E: Exact match.; FRC0603F3900TS: Exact match. |
| Power | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W — Exact match.; 0603WAF4220T5E: Exact match.; 0603WAF4420T5E: Exact match.; FRC0603F3900TS: Exact match. |
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Exact match.; 0603WAF4220T5E: Exact match.; 0603WAF4420T5E: Exact match.; FRC0603F3900TS: Exact match. |
| Technology | Thick Film | Thick Film | - | - | Thick Film — Exact match. |
The best alternative for 0603WAF4020T5E is FRC0603F4020TS. It is a pin-compatible replacement with identical resistance, tolerance, power rating, and package.