RT0805BRD074K99L
Yageo
Needs validationlow risk
Yageo RT0805BRD074K99L is a direct pin-to-pin replacement with matching resistance, tolerance, power, and TCR in an 0805 package.
Best Alternatives to ARG05BTC4991
Find verified substitutes for the Viking Tech ARG05BTC4991, a 4.99kΩ, 0.1%, 125mW, 0805 thin film resistor. Compare pin-compatible parts and parametric alternatives to ensure design compatibility.
AI replacement insight
Electrical riskmedium
Using parts with different resistance, tolerance, or TCR requires circuit re-evaluation.
Package risklow
All suggested candidates use the same 0805 package.
Sourcing risklow
The target and its best alternative are from major manufacturers and appear to be active.
Can it be replaced directly?
Yes, RT0805BRD074K99L from Yageo is a pin-to-pin compatible replacement for ARG05BTC4991.
Best replacement path
The Yageo RT0805BRD074K99L is the best direct replacement, matching all key electrical and physical specifications.
Main risk
The main risk is using a lower-precision (Thick Film, >0.1% tolerance) resistor, which can compromise circuit accuracy and stability.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | ARG05BTC4991 | RT0805BRD074K99L | ARG05BTC4701 | ARG05BTC5101 | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 4.99 kΩ | 4.99 kΩ | 4.7 kΩ | 5.1 kΩ | 4.99 kΩ / 4.7 kΩ / 5.1 kΩ — Exact match.; ARG05BTC4701: Resistance is 5.8% lower than target.; ARG05BTC5101: Resistance is 2.2% higher than target.; RS-05K4991FT: Resistance value matches. |
| Tolerance | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.1% / ±1% — Exact match for precision applications.; ARG05BTC4701: Precision matches target.; ARG05BTC5101: Precision matches target.; RS-05K4991FT: 10x wider tolerance than target. |
| Power | 125 mW | 125 mW | - | - | 125 mW — Exact match. |
| Tcr | ±25 ppm/°C | ±25 ppm/°C | ±25 ppm/°C | ±25 ppm/°C | ±25 ppm/°C / ±100 ppm/°C — Exact match, ensuring thermal stability.; ARG05BTC4701: Stability matches target.; ARG05BTC5101: Stability matches target.; RS-05K4991FT: 4x higher TCR, less stable over temperature. |
| Package | 0805 | 0805 | - | - | 0805 — Identical package for drop-in replacement.; RS-05K4991FT: Package matches. |
| Technology | Thin Film | Thin Film | - | Thin Film | Thin Film / Thick Film — Matches technology for similar performance characteristics.; ARG05BTC5101: Technology matches target.; RS-05K4991FT: Different technology, generally lower precision. |
Application & sourcing insights
Questions & answers
The Yageo RT0805BRD074K99L is the best alternative, offering identical key specifications including 4.99kΩ resistance, ±0.1% tolerance, 125mW power, and an 0805 package.