RT0603BRD071K1L
Yageo
Needs validationmedium risk
Similar package and precision, but with a 1.1kΩ resistance value. Requires circuit validation.
Best Alternatives to AT0603BRD071KL
AT0603BRD071KL is an AEC-Q200 qualified 1kΩ precision thin film resistor in a 0603 package. Finding a substitute requires matching its automotive grade and tight electrical specs.
AI replacement insight
Application riskhigh
Using a non-AEC-Q200 part in an automotive design is a major compliance and reliability risk.
Electrical riskmedium
Some candidates have different TCR, voltage ratings, or resistance values, requiring redesign or analysis.
Package risklow
All candidates match the 0603 package, ensuring physical compatibility.
Can it be replaced directly?
No direct, verified drop-in replacement has been identified. All candidates lack the critical AEC-Q200 qualification and may have parametric differences.
Best replacement path
The best replacement is another AEC-Q200 qualified resistor with 1kΩ, ±0.1% tolerance, ±25ppm/°C TCR, and a 75V rating.
Main risk
The primary risk is using a non-automotive grade component in a system requiring AEC-Q200 reliability, leading to potential field failures.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | AT0603BRD071KL | RT0603BRD071K1L | RT0603BRD07910RL | AR03BTCX1001 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Form and fit are identical.; RT0603BRD07910RL: Form and fit are identical.; AR03BTCX1001: Form and fit are identical.; RT0603BRE071KL: Form and fit are identical. |
| Resistance | 1kΩ | 1.1kΩ | 910Ω | 1kΩ, ±0.1%, 1/10W | 1.1kΩ / 910Ω / 1kΩ, ±0.1%, 1/10W — 10% higher resistance value requires circuit analysis.; RT0603BRD07910RL: 9% lower resistance value requires circuit analysis.; AR03BTCX1001: Core R, Tol, Power match.; RT0603BRE071KL: matched |
| Tolerance | ±0.1%, 1/10W, ±25ppm/°C | ±0.1%, 1/10W, 25ppm/°C | ±0.1%, 1/10W, 25ppm/°C | - | ±0.1%, 1/10W, 25ppm/°C — Other key parameters match.; RT0603BRD07910RL: Other key parameters match.; RT0603BRE071KL: matched |
| Qualification | AEC-Q200 | Standard | Standard | Standard | Standard — Target is AEC-Q200 qualified for automotive use.; RT0603BRD07910RL: Target is AEC-Q200 qualified for automotive use.; AR03BTCX1001: Target is AEC-Q200 qualified for automotive use.; RT0603BRE071KL: Target is AEC-Q200 qualified for automotive use. |
| Tcr | ±25 ppm/°C | - | - | ±25 ppm/°C | ±25 ppm/°C / 50 ppm/°C — matched; RT0603BRE071KL: Worse temperature stability may affect precision. |
| Voltage | 75V | - | - | 50V | 50V — Lower voltage rating reduces safety margin. |
| Power | 1/10W | - | - | - | 1/10W — matched |
Application & sourcing insights
Questions & answers
No direct drop-in is confirmed. AR03BTCX1001 is parametrically close but lacks AEC-Q200 qualification and has a lower voltage rating. Thorough testing is required before use.