AT0402BRD0745K3L
Yageo
Needs validationlow risk
An AEC-Q200 qualified upgrade with better TCR and very similar resistance (45.3kΩ).
Best Alternatives to RT0402BRE0744K2L
Reviewing substitutes for the Yageo RT0402BRE0744K2L, a 44.2kΩ 0.1% 0402 thin film resistor. Key considerations for alternatives include matching the tight tolerance, low TCR, and thin film technology for precision applications.
AI replacement insight
Electrical riskhigh
Using a part with wider tolerance, higher TCR, or different technology can impact circuit performance.
Package risklow
All suggested candidates use the same 0402 package, ensuring physical compatibility.
Can it be replaced directly?
No exact drop-in replacement with identical parameters was found. The closest options require reviewing minor parametric differences, primarily in resistance value.
Best replacement path
The Yageo AT0402BRD0745K3L is an excellent upgrade path, offering superior TCR and automotive-grade qualification with a minimal resistance difference.
Main risk
The primary risk is a loss of circuit precision if a substitute with wider tolerance or higher TCR is used.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | RT0402BRE0744K2L | AT0402BRD0745K3L | RT0402BRD0743KL | RT0402BRD0747KL | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 44.2 kΩ | 45.3 kΩ | 43 kΩ | 47 kΩ | 45.3 kΩ / 43 kΩ / 47 kΩ / 40.2 kΩ — Resistance is ~2.5% higher, a very close value.; RT0402BRD0743KL: Resistance is ~2.7% lower.; RT0402BRD0747KL: Resistance is ~6.3% higher.; RT0402BRD0740K2L: Resistance is ~9% lower. |
| Tolerance | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.1% — Tolerance matches.; RT0402BRD0743KL: Tolerance matches.; RT0402BRD0747KL: Tolerance matches.; RT0402BRD0740K2L: Tolerance matches. |
| Tcr | 50 ppm/°C | ±25 ppm/°C | 25 ppm/°C | 25 ppm/°C | ±25 ppm/°C — Temperature coefficient is better.; RT0402BRD0743KL: Temperature coefficient is better.; RT0402BRD0747KL: Temperature coefficient is better.; RT0402BRD0740K2L: Temperature coefficient is better. |
| Application | Commercial | AEC-Q200 | - | - | AEC-Q200 — Automotive qualification is an upgrade. |
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Package size matches.; RT0402BRD0743KL: Package size matches.; RT0402BRD0747KL: Package size matches.; RT0402BRD0740K2L: Package size matches. |
Application & sourcing insights
Questions & answers
The Yageo AT0402BRD0745K3L is an excellent upgrade, offering AEC-Q200 qualification, better TCR, and a very close resistance value of 45.3kΩ. For a closer resistance match, consider RT0402BRD0743KL (43kΩ).