
Yageo
A close parametric match with a slightly higher resistance value of 5.62 kΩ.
Finding a substitute for the Yageo RT0603BRD075K49L, a 5.49 kΩ 0.1% precision resistor, involves balancing form factor with critical electrical parameters. Key factors for a replacement are resistance value, tolerance, and temperature coefficient (TCR).
Resistance value changes require circuit analysis.
Candidates share the same 0603 package.
No direct, drop-in replacement for RT0603BRD075K49L is available. All identified alternatives have different resistance values that necessitate a design review.
The closest option is RT0603BRD075K62L, which matches all precision characteristics but has a 2.4% higher resistance. This requires engineering validation.
The primary risk is the deviation in resistance value, which can affect the accuracy of precision circuits like voltage dividers, filters, and amplifier feedback networks.

Yageo
A close parametric match with a slightly higher resistance value of 5.62 kΩ.
| Feature / factor | RT0603BRD075K49L | RT0603BRD075K62L | RT0603BRD075K23L | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 5.49 kΩ | 5.62 kΩ | 5.23 kΩ | 5.62 kΩ / 5.23 kΩ — +2.37% deviation from target. Closest value found.; RT0603BRD075K23L: -4.74% deviation from target. | |
| Tolerance | ±0.1% | ±0.1% | ±0.1% | ±0.1% — matched; RT0603BRD075K23L: matched | |
| Tcr | 25 ppm/°C | 25 ppm/°C | 25 ppm/°C | 25 ppm/°C — matched; RT0603BRD075K23L: matched | |
| Technology | Thin Film | Thin Film | - | Thin Film — matched | |
| Package | 0603 | 0603 | 0603 | 0603 — matched; RT0603BRD075K23L: matched |
The best alternative found is Yageo's RT0603BRD075K62L. It matches the 0.1% tolerance and 25 ppm/°C TCR, but its resistance is 5.62 kΩ (+2.4% difference), which requires engineering review.