AC0603FR-0791KL
Yageo
Needs validationlow risk
Yageo AC0603FR-0791KL is a pin-compatible upgrade with tighter 1% tolerance and AEC-Q200 qualification.
Best Alternatives to 0603WAJ0913T5E
Finding a substitute for the 0603WAJ0913T5E, a 91kΩ 5% 0.1W resistor, involves matching the 0603 package and key electrical ratings. Several alternatives offer tighter tolerance or higher precision.
AI replacement insight
Electrical risklow
Low for 1% tolerance parts with matching resistance. Medium for Thin Film or different resistance values.
Package risklow
All candidates match the 0603 package, ensuring physical compatibility.
Sourcing risklow
Multiple vendors offer suitable alternatives, improving supply chain resilience.
Can it be replaced directly?
Yes, AC0603FR-0791KL from Yageo and RS-03K9102FT from FH are strong candidates for direct replacement, offering better tolerance.
Best replacement path
Upgrade to a 1% tolerance part like Yageo's AC0603FR-0791KL for better precision and reliability.
Main risk
The main risk is selecting a part with a different resistance value (e.g., 100kΩ) or technology (Thin Film) without engineering review.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | 0603WAJ0913T5E | AC0603FR-0791KL | RS-03K9092FT | RS-03K9102FT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Matches standard 0603 footprint.; RS-03K9092FT: Matches standard 0603 footprint.; RS-03K9102FT: Matches standard 0603 footprint.; RT0603BRD0791KL: Matches standard 0603 footprint. |
| Resistance | 91kΩ | 91kΩ | 90.9kΩ | 91kΩ | 91kΩ / 90.9kΩ — Exact resistance value match.; RS-03K9092FT: Slightly different value, but within target's 5% tolerance.; RS-03K9102FT: Exact resistance value match. |
| Tolerance | 5% | 1% | 1% | 1% | 1% / 0.1% — Tighter tolerance provides higher precision.; RS-03K9092FT: Tighter tolerance than target.; RS-03K9102FT: Tighter tolerance provides higher precision.; RT0603BRD0791KL: Significantly tighter tolerance. |
| Power | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W — Power rating is identical.; RS-03K9092FT: Power rating is identical.; RS-03K9102FT: Power rating is identical. |
| Application | General Purpose | AEC-Q200 | - | - | AEC-Q200 — Automotive grade offers higher reliability. |
| Technology | Thick Film | - | - | Thick Film | Thick Film / Thin Film — Technology is identical.; RT0603BRD0791KL: Different technology may affect pulse handling. |
| Tcr | Not specified | - | - | - | 25 ppm/°C — Superior temperature stability. |
Application & sourcing insights
Questions & answers
AC0603FR-0791KL from Yageo is an excellent upgrade, offering tighter 1% tolerance and AEC-Q200 qualification in the same package. RS-03K9102FT from FH is also a strong, direct alternative.