
Yageo
A strong pin-compatible alternative with identical package, tolerance, and TCR, but a slightly different resistance value.
Finding a replacement for the Yageo RT0603BRD074K3L, a 4.3kΩ 0.1% precision resistor, involves balancing resistance accuracy with other key parameters. While no exact match exists, strong parametric alternatives are available.
Resistance differs by -1.86%. For most applications this is acceptable, but precision circuits must be verified.
The best candidates share the same 0603 package, ensuring form and fit compatibility.
Direct replacement for RT0603BRD074K3L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best alternative is RT0603BRD074K22L, which matches all key specs except for a minor -1.86% difference in nominal resistance.
The primary risk is the slight deviation in nominal resistance, which may affect circuit performance in precision applications like voltage dividers or filters.

Yageo
A strong pin-compatible alternative with identical package, tolerance, and TCR, but a slightly different resistance value.
| Feature / factor | RT0603BRD074K3L | RT0603BRD074K22L | RT0603BRE074K02L | RT0603BRE074K7L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Same EIA package size.; RT0603BRE074K02L: Same EIA package size.; RT0603BRE074K7L: Same EIA package size. |
| Resistance | 4.3 kΩ | 4.22 kΩ | 4.02 kΩ | 4.7 kΩ | 4.22 kΩ / 4.02 kΩ / 4.7 kΩ — Resistance differs by -1.86%. Verify circuit sensitivity.; RT0603BRE074K02L: Resistance is 6.5% lower.; RT0603BRE074K7L: Resistance is 9.3% higher. |
| Tolerance | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.1% — Same precision tolerance.; RT0603BRE074K02L: Same precision tolerance.; RT0603BRE074K7L: Same precision tolerance. |
| Tcr | 25 ppm/°C | 25 ppm/°C | 50 ppm/°C | ±50 ppm/°C | 25 ppm/°C / 50 ppm/°C / ±50 ppm/°C — Same temperature coefficient.; RT0603BRE074K02L: TCR is weaker (less stable).; RT0603BRE074K7L: TCR is weaker (less stable). |
| Power | 1/10 W | 1/10 W | - | - | 1/10 W — Same power rating. |
Verified drop-in options for RT0603BRD074K3L 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.