AR03FTDX1001A
Viking Tech
Needs validationmedium risk
A 1kΩ 1% 0603 thin film resistor with a lower power rating (0.1W vs 0.125W).
Best Alternatives to MCT06030C1001FP500
Finding a replacement for the Vishay MCT06030C1001FP500 1kΩ 1% 0.125W resistor requires careful attention to power rating. Many alternatives exist in the 0603 package, but most are rated at 0.1W.
AI replacement insight
Electrical riskmedium
Lower power rating requires derating analysis to prevent overheating.
Package risklow
All candidates share the same 0603 package, ensuring physical compatibility.
Can it be replaced directly?
No direct drop-in replacement was found among the candidates, as all have a lower power rating than the original 0.125W part.
Best replacement path
Use a parametrically similar part like Viking's AR03FTDX1001A, but only after verifying the circuit's power dissipation is safely below 0.1W.
Main risk
The primary risk is overheating and failure due to the lower power rating (0.1W) of common substitutes compared to the target's 0.125W.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | MCT06030C1001FP500 | AR03FTDX1001A | TD03E1001BT | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 | 0603 | 0603 — Form factor matches.; TD03E1001BT: Form factor matches. | |
| Resistance | 1000.0 | 1000.0 | 1000.0 | 1000.0 — Resistance matches.; TD03E1001BT: Resistance matches. | |
| Power | 0.125W | 0.1W | 0.1W | 0.1W — Candidate power is 20% lower.; TD03E1001BT: Candidate power is 20% lower. | |
| Tolerance | 1.0% | 1.0% | 0.1% | 1.0% / 0.1% — Tolerance matches.; TD03E1001BT: Tighter tolerance is a safe upgrade. | |
| Tcr | ±50 ppm/K | ±50ppm/°C | ±10ppm/℃ | ±50ppm/°C / ±10ppm/℃ — Temperature coefficient matches.; TD03E1001BT: Lower TCR is a safe upgrade. |
Application & sourcing insights
Questions & answers
Viking Tech AR03FTDX1001A is a close parametric match, but has a lower 0.1W power rating. Its suitability depends on your circuit's actual power dissipation.