RT0603BRD0730KL
Yageo
Needs validationmedium risk
Electrically equivalent alternative from the same series, but in a larger 0603 package.
Best Alternatives to RT0402BRD0730KL
RT0402BRD0730KL is a high-precision 30kΩ 0.1% thin film resistor in an 0402 package. While no direct pin-compatible replacements are identified, functional alternatives with different packages or parametrically relaxed options are available.
AI replacement insight
Package riskhigh
Functional alternatives require a PCB layout change (0603/0805 vs 0402).
Electrical riskhigh
Parametric alternatives have much worse tolerance (1% vs 0.1%) and TCR.
Can it be replaced directly?
No direct, pin-compatible replacement with matching precision (0.1% tolerance, 25 ppm/°C TCR) has been identified. All same-package alternatives are lower-precision thick film types.
Best replacement path
Use Yageo's RT series in 0603 (RT0603BRD0730KL) or 0805 (RT0805BRD0730KL) packages for electrical equivalence if a PCB layout change is possible.
Main risk
The primary risk is either a physical mismatch (package size) or a significant loss of precision (tolerance, TCR) if using a same-package alternative.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RT0402BRD0730KL | RT0603BRD0730KL | RT0805BRD0730KL | AC0402FR-0730KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0603 | 0805 | 0402 | 0603 / 0805 / 0402 — Larger package, not a drop-in replacement.; RT0805BRD0730KL: Larger package, not a drop-in replacement.; AC0402FR-0730KL: Form factor matches.; FRC0402F3002TS: Form factor matches. |
| Resistance | 30kΩ, ±0.1%, 25ppm/°C | 30kΩ, ±0.1%, 25ppm/°C | 30kΩ, ±0.1%, 25ppm/°C | 30kΩ | 30kΩ, ±0.1%, 25ppm/°C — Key electrical parameters match.; RT0805BRD0730KL: Key electrical parameters match.; AC0402FR-0730KL: Resistance value matches.; FRC0402F3002TS: Resistance value matches. |
| Power | 1/16W | 1/10W | 1/8W | - | 1/10W / 1/8W — Higher power rating is an upgrade.; RT0805BRD0730KL: Higher power rating is an upgrade. |
| Tolerance | ±0.1% | - | - | ±1% | ±1% — Significantly weaker precision.; FRC0402F3002TS: Significantly weaker precision. |
| Tcr | 25 ppm/°C | - | - | ±100 ppm/°C | ±100 ppm/°C — Lower temperature stability.; FRC0402F3002TS: Lower temperature stability. |
| Application | Commercial | - | - | AEC-Q200 | AEC-Q200 — Automotive grade, target is not. |
| Technology | Thin Film | - | - | - | Thick Film — Different technology, may affect noise/stability. |
Application & sourcing insights
Questions & answers
The best electrical alternatives are RT0603BRD0730KL and RT0805BRD0730KL from Yageo, but they require a PCB layout change due to their larger 0603/0805 packages.