FRC0603F2490TS
FOJAN
Needs validationlow risk
A form-fit compatible 0603 resistor with a slightly lower resistance of 249Ω and matching power, tolerance, and technology.
Best Alternatives to 0603WAF2550T5E
Find and compare alternatives for the UNI-ROYAL 0603WAF2550T5E, a 255Ω 1% 0.1W thick film resistor. This guide analyzes parametric alternatives to help you make an informed selection.
AI replacement insight
Electrical riskmedium
Resistance mismatch requires circuit analysis to ensure performance is not compromised.
Package risklow
All candidates share the same 0603 package, ensuring physical compatibility.
Sourcing risklow
The proposed alternatives are from common manufacturers, but availability should be checked.
Can it be replaced directly?
There are no direct, drop-in replacements with the exact 255Ω resistance value among the candidates reviewed. However, several parametric alternatives with similar form and function are available.
Best replacement path
The best replacement path is to select a thick film 0603 resistor with a resistance value as close to 255Ω as possible, such as FRC0603F2490TS (249Ω).
Main risk
The primary risk is the deviation in resistance from the target's 255Ω, which could affect circuit timing, biasing, or feedback loops.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | 0603WAF2550T5E | FRC0603F2490TS | RS-03K2700FT | RT0603BRD07270RL | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 255 Ω | 249 Ω | 270 Ω | 270 Ω | 249 Ω / 270 Ω — Candidate resistance is 2.35% lower than target.; RS-03K2700FT: Candidate resistance is 5.88% higher than target.; RT0603BRD07270RL: Candidate resistance is 5.88% higher. |
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Package size matches.; RS-03K2700FT: Package size matches.; RT0603BRD07270RL: Package size matches. |
| Technology | Thick Film | Thick Film | Thick Film | Thin Film | Thick Film / Thin Film — Technology matches.; RS-03K2700FT: Technology matches.; RT0603BRD07270RL: Thin film may have different noise/pulse characteristics. |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Tolerance matches.; RS-03K2700FT: Tolerance matches.; RT0603BRD07270RL: Higher precision than target. |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — Power rating matches. |
| Tcr | ±100 ppm/°C | - | - | 25 ppm/°C | 25 ppm/°C — Better temperature stability. |
Application & sourcing insights
Questions & answers
The best alternative is FRC0603F2490TS from FOJAN. It has the closest resistance (249Ω vs 255Ω) and matches all other key parameters like package, power, and technology.