ARG03BTC4991
Viking Tech
Needs validationmedium risk
A 4.99kΩ 0603 resistor with tighter tolerance and TCR, but uses different Thin Film technology.
Best Alternatives to ERJ3EKF4991V
Finding a substitute for the Panasonic ERJ3EKF4991V, a 4.99kΩ 1% 0.1W 0603 resistor, involves checking for compatible packages and power ratings. Alternatives may have slightly different resistance values or improved specifications.
AI replacement insight
Electrical risklow
Resistance values differ but are within a small percentage. Requires circuit tolerance check.
Package risklow
All suggested alternatives share the same 0603 package, ensuring physical compatibility.
Can it be replaced directly?
No exact drop-in replacement with 4.99kΩ resistance was found. The best options are either upgrades with different technology or parts with nearby standard resistance values like 5.11kΩ or 4.7kΩ.
Best replacement path
For precision circuits, consider the thin film upgrade ARG03BTC4991, but review technology differences. For general use, RC0603FR-075K11L (5.11kΩ) is a viable parametric alternative.
Main risk
The primary risk is substituting with a resistor whose value is outside the circuit's required tolerance. A secondary risk involves changing from thick to thin film technology without design review.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | ERJ3EKF4991V | ARG03BTC4991 | RC0603FR-075K11L | WR06X4701FTL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 (1608 Metric) | 0603 / 0603 (1608 Metric) — Package size matches.; RC0603FR-075K11L: Package size matches.; WR06X4701FTL: Package size matches. |
| Resistance | 4.99kΩ | 4.99kΩ | 5.11kΩ | 4.7kΩ | 4.99kΩ / 5.11kΩ / 4.7kΩ — Resistance value matches.; RC0603FR-075K11L: Resistance is +2.4% higher, outside target's 1% tolerance.; WR06X4701FTL: Resistance is -5.8% lower, outside target's 1% tolerance. |
| Technology | Thick Film | Thin Film | - | - | Thin Film — Technology differs, may affect noise and pulse handling. |
| Tolerance | 1.0% | 0.1% | 1.0% | 1.0% | 0.1% / 1.0% — Tighter tolerance is a performance upgrade.; RC0603FR-075K11L: Tolerance matches.; WR06X4701FTL: Tolerance matches. |
| Tcr | ±100 ppm/°C | ±25ppm/℃ | - | - | ±25ppm/℃ — Lower TCR provides better temperature stability. |
| Power | 0.1W | - | 0.1W | 0.1W | 0.1W — Power rating matches.; WR06X4701FTL: Power rating matches. |
Application & sourcing insights
Questions & answers
The best alternative depends on your application. For higher precision, ARG03BTC4991 is an upgrade but uses different technology. For a close value match, RC0603FR-075K11L offers a 5.11kΩ resistance in the same package.