RT0805BRD0790K9L
Yageo
Needs validationlow risk
Upgraded alternative with tighter tolerance (0.1%), lower TCR (25ppm/°C), and nearly identical resistance (90.9kΩ).
Best Alternatives to RC0805FR-0791KL
Find and compare alternatives for the Yageo RC0805FR-0791KL, a 91kΩ 1% 0805 thick film resistor. This page provides analysis on high-precision upgrades, automotive-grade options, and other parametrically similar parts to aid your sourcing decisions.
AI replacement insight
Electrical riskmedium
Resistance deviation in parametric alternatives requires circuit analysis.
Package risklow
All suggested alternatives use the same 0805 package.
Sourcing risklow
Alternatives are available from the original manufacturer and other vendors.
Can it be replaced directly?
No exact drop-in replacement is available. The closest functional match is RT0805BRD0790K9L, which has a near-identical resistance of 90.9kΩ but is a different technology (Thin Film). Other options have resistance values that deviate by up to 10%.
Best replacement path
The Yageo RT0805BRD0790K9L is the best available path, offering a significant upgrade in precision with a nearly identical resistance value. However, it uses Thin Film technology, which requires engineering review.
Main risk
The primary risks are substituting a part with a different resistance value (up to ±10%) or a different resistor technology (Thin Film vs. Thick Film), which can affect circuit performance, noise, and pulse handling.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RC0805FR-0791KL | RT0805BRD0790K9L | AC0805FR-07100KL | RC0805FR-0782KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Same package and pin count.; AC0805FR-07100KL: Same package and pin count.; RC0805FR-0782KL: Same package and pin count.; FRH0805B1003TS: Same package and pin count. |
| Resistance | 91 kΩ | 90.9 kΩ | 100 kΩ | 82 kΩ | 90.9 kΩ / 100 kΩ / 82 kΩ — Excellent match, <0.2% difference.; AC0805FR-07100KL: Resistance is ~10% higher.; RC0805FR-0782KL: Resistance is ~10% lower.; FRH0805B1003TS: Resistance is ~10% higher. |
| Tolerance | ±1% | ±0.1% | - | ±1% | ±0.1% / ±1% — Upgrade from 1%.; RC0805FR-0782KL: Same tolerance.; FRH0805B1003TS: Upgrade from 1%. |
| Tcr | ±100 ppm/°C | 25 ppm/°C | - | - | 25 ppm/°C — Significant upgrade from ±100 ppm/°C. |
| Technology | Thick Film | Thin Film | Thick Film | Thick Film | Thin Film / Thick Film — Different technology may affect noise/pulse performance.; AC0805FR-07100KL: Same technology.; RC0805FR-0782KL: Same technology. |
| Application | Commercial | - | AEC-Q200 | - | AEC-Q200 — Upgraded to automotive grade. |
| Manufacturer | Yageo | - | - | - | FOJAN — Cross-vendor alternative. |
Application & sourcing insights
Questions & answers
The best alternative is Yageo's RT0805BRD0790K9L. It has a nearly identical resistance of 90.9kΩ and offers superior tolerance (±0.1%) and TCR (25 ppm/°C). However, it uses Thin Film technology, which should be validated for your application.