
Yageo
50k 0.1% 0603 thin-film option; verify automotive ratings before use.
AR03BTC5002A is a 50k precision 0603 thin-film resistor. The closest catalog alternatives need FAE review for PDF details and automotive ratings.
49.9k option shifts nominal value.
Top options list 0603.
Passive resistor only.
AEC evidence missing.
No verified direct replacement is confirmed from the provided unchecked PDFs.
Start with RT0603BRD0750KL, then verify AEC-Q200, sulfur resistance, package, and power rating.
Automotive and sulfur-resistant ratings are not proven for the candidates.

Yageo
50k 0.1% 0603 thin-film option; verify automotive ratings before use.
| Feature / factor | AR03BTC5002A | RT0603BRD0750KL | RT0603BRD0749K9L | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | - | 0603 — same EIA size | |
| Pinout | 2 pins | 2 pins | - | 2 pins — pin map not checked | |
| Resistance | 50k | 50k | - | 49.9k — -0.2% nominal | |
| Tolerance | 0.1%, 25ppm | 0.1%, 25ppm | - | 0.1%, 25ppm — precision match | |
| Power | 0.0625W | 0.1W | - | 0.1W — derating ok if confirmed |
RT0603BRD0750KL is the closest listed option, but it still needs AEC-Q200, sulfur, and PDF package checks.