FRC0402F3012TS
FOJAN
Needs validationlow risk
An upgrade with much tighter tolerance (±1%) and TCR, with a negligible difference in resistance.
Best Alternatives to RC0402JR-0730KL
Finding a substitute for the Yageo RC0402JR-0730KL involves matching its 30kΩ resistance, ±5% tolerance, and 0402 package. Several strong alternatives and upgrade paths exist from various manufacturers.
AI replacement insight
Electrical risklow
Several candidates match key electrical specs. Risk increases with parametric differences like resistance or technology.
Package risklow
All presented candidates use the same 0402 package, ensuring form and fit compatibility.
Sourcing risklow
Candidates are from multiple manufacturers (FOJAN, Yageo, Walsin), providing sourcing flexibility.
Can it be replaced directly?
Direct replacement for RC0402JR-0730KL should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a direct replacement, FRC0402J303 TS is the best option, matching all key specs. For an upgrade in precision, FRC0402F3012TS offers tighter tolerance with minimal resistance change.
Main risk
The main risk when substituting is a mismatch in resistance value or technology. Alternatives with different nominal resistance require circuit analysis, and changing from Thick to Thin Film can affect performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RC0402JR-0730KL | FRC0402F3012TS | FRC0402J303 TS | RT0402BRE0730KL | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 30 kΩ | 30.1 kΩ | 30 kΩ | - | 30.1 kΩ / 30 kΩ / 33 kΩ — Resistance is 0.33% higher, well within target's ±5% tolerance.; FRC0402J303 TS: Nominal resistance is identical.; WR04X3302FTL: Resistance is 10% higher. |
| Tolerance | ±5% | ±1% | ±5% | ±0.1% | ±1% / ±5% / ±0.1% — Tighter tolerance is a significant upgrade.; FRC0402J303 TS: Tolerance is identical.; RT0402BRE0730KL: Significantly tighter tolerance.; WR04X3302FTL: Tighter tolerance is an upgrade. |
| Tcr | ±200 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | 50 ppm/°C | ±100 ppm/°C / 50 ppm/°C — Candidate has a better (lower) TCR.; FRC0402J303 TS: Candidate has a better (lower) TCR.; RT0402BRE0730KL: Significantly better TCR. |
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Package size is identical.; FRC0402J303 TS: Package size is identical.; RT0402BRE0730KL: Package size is identical.; WR04X3302FTL: Package size is identical. |
| Power | 1/16 W | - | 1/16 W | - | 1/16 W — Power rating is identical. |
| Technology | Thick Film | - | - | Thin Film | Thin Film / Thick Film — Technology differs; may affect pulse handling or noise.; WR04X3302FTL: Technology is identical. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0402JR-0730KL are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.