RT0603BRD073K4L
Yageo
Needs validationlow risk
A high-precision upgrade with matching resistance and package, but uses thin film technology instead of thick film.
Best Alternatives to RS-03K3401FT
RS-03K3401FT is a general-purpose 3.4kΩ, 1%, 0.1W thick film resistor in an 0603 package. Alternatives include high-precision upgrades and parametrically similar options with slightly different resistance values.
AI replacement insight
Electrical riskmedium
Most candidates have different resistance values; one has different technology.
Package risklow
All reviewed candidates share the same 0603 package.
Sourcing risklow
These are common resistor values from major manufacturers.
Can it be replaced directly?
No exact direct replacement was found. The closest option is RT0603BRD073K4L, which matches resistance and package but is a thin film type. All other candidates have different resistance values requiring circuit validation.
Best replacement path
The best path is to use a high-precision upgrade like Yageo's RT0603BRD073K4L, which offers the same resistance and package with improved tolerance and stability.
Main risk
The main risk is substituting with a part that has a different resistance value, which can alter circuit behavior, especially in precision applications.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RS-03K3401FT | RT0603BRD073K4L | RS-03K3241FT | RS-03K3601FT | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 3.4 kΩ | 3.4 kΩ | 3.24 kΩ | 3.6 kΩ | 3.4 kΩ / 3.24 kΩ / 3.6 kΩ — Exact resistance match.; RS-03K3241FT: -4.7% deviation from target.; RS-03K3601FT: +5.8% deviation from target. |
| Technology | Thick Film | Thin Film | Thick Film | Thick Film | Thin Film / Thick Film — Upgrade to more stable technology.; RS-03K3241FT: Technology matches.; RS-03K3601FT: Technology matches. |
| Tolerance | ±1% | ±0.1% | ±1% | ±1% | ±0.1% / ±1% — Tighter tolerance is a direct upgrade.; RS-03K3241FT: Tolerance matches.; RS-03K3601FT: Tolerance matches. |
| Tcr | ±100ppm/℃ | 25 ppm/°C | - | - | 25 ppm/°C — Lower TCR provides better stability over temperature. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Power rating matches. Catalog data conflict noted (1W vs 0.1W), 0.1W confirmed from datasheet.; RS-03K3241FT: Power rating matches.; RS-03K3601FT: Power rating matches. |
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Package size is identical.; RS-03K3241FT: Package size is identical.; RS-03K3601FT: Package size is identical. |
Application & sourcing insights
Questions & answers
Yageo RT0603BRD073K4L is an excellent alternative. It has the same 3.4kΩ resistance and 0603 package but offers better tolerance (±0.1%) and TCR (25 ppm/°C) as it is a thin film resistor.