RC0603FR-07143KL
Yageo
Needs validationlow risk
Yageo RC0603FR-07143KL is a pin-to-pin replacement with identical key electrical and physical specifications.
Best Alternatives to RS-03K1433FT
RS-03K1433FT is a 143kΩ, 1% tolerance, 0.1W thick film resistor in a standard 0603 package. Excellent pin-compatible replacements like the Yageo RC0603FR-07143KL are available, along with several parametric alternatives that require engineering review for resistance differences.
AI replacement insight
Electrical risklow
For pin-compatible parts, risk is minimal. For parametric alternatives, resistance changes must be validated.
Package risklow
All reviewed candidates use the same 0603 package, ensuring physical compatibility.
Sourcing risklow
Candidates are from major manufacturers, but regional availability and qualification processes should be checked.
Can it be replaced directly?
Yes, RC0603FR-07143KL is a direct pin-to-pin replacement for RS-03K1433FT, matching its resistance, tolerance, power rating, and package.
Best replacement path
RC0603FR-07143KL from Yageo is the best direct replacement, offering identical key specifications in the same package.
Main risk
The primary risk when substituting is a mismatch in resistance value. Alternatives with different resistance require circuit analysis to ensure performance is not compromised.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RS-03K1433FT | RC0603FR-07143KL | RS-03K1473FT | ARG03BTC1353N | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 143 kΩ | 143 kΩ | 147 kΩ | 135 kΩ | 143 kΩ / 147 kΩ / 135 kΩ — Exact match.; RS-03K1473FT: Resistance is 2.8% higher. Verify circuit tolerance.; ARG03BTC1353N: Resistance is 5.6% lower. Verify circuit tolerance. |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Exact match.; RS-03K1473FT: Exact match.; ARG03BTC1353N: Tighter tolerance is an upgrade. |
| Power | 0.1 W | 0.1 W | 0.1 W | - | 0.1 W — Exact match.; RS-03K1473FT: Exact match. |
| Tcr | ±100ppm/℃ | ±100 ppm/°C | - | ±25ppm/°C | ±100 ppm/°C / ±25ppm/°C — Exact match.; ARG03BTC1353N: Better temperature stability is an upgrade. |
| Package | 0603 | 0603 (1608 Metric) | 0603 | 0603 | 0603 (1608 Metric) — Industry standard 0603 package.; RS-03K1473FT: Exact match.; ARG03BTC1353N: Exact match. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Different technology may affect noise and pulse performance. |
Application & sourcing insights
Questions & answers
The best alternative for RS-03K1433FT is RC0603FR-07143KL. It is a pin-compatible replacement with identical electrical and physical specifications, making it a low-risk drop-in substitute.