FRC0603F4303TS
FOJAN
Needs validationlow risk
A strong pin-compatible alternative from FOJAN with nearly identical resistance, tolerance, and power rating in the same 0603 package.
Best Alternatives to 0603WAF4323T5E
Find the best replacements for the UNI-ROYAL 0603WAF4323T5E, a 432kΩ 1% 0.1W chip resistor. This guide provides pin-compatible alternatives and parametric options from leading manufacturers.
AI replacement insight
Electrical risklow
Resistance values are very close. Power, voltage, and TCR ratings match.
Package risklow
All strong candidates use the same standard 0603 package.
Sourcing risklow
This is a common resistor value with many available manufacturers.
Can it be replaced directly?
Direct replacement for 0603WAF4323T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use a 430kΩ 1% 0603 resistor like Yageo's RC0603FR-07430KL, which is a very close parametric match.
Main risk
The main risk is the minor difference in nominal resistance, which is typically well within the part's own tolerance band and acceptable for most applications.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | 0603WAF4323T5E | FRC0603F4303TS | RC0603FR-07430KL | RS-03K4303FT | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 432 kΩ | 430 kΩ | 430 kΩ | 430 kΩ | 430 kΩ / 442 kΩ — Negligible -0.5% difference, well within tolerance.; RC0603FR-07430KL: Negligible -0.5% difference, well within tolerance.; RS-03K4303FT: Negligible -0.5% difference, well within tolerance.; FRH0603D4423TS: Small +2.3% difference from target's 432kΩ. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% / ±0.5% — matched; RC0603FR-07430KL: matched; RS-03K4303FT: matched; FRH0603D4423TS: Tighter tolerance is an upgrade. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Candidate data shows 1W in one source, but is a 0.1W part per datasheet, matching target.; RC0603FR-07430KL: Candidate data shows 1W in one source, but is a 0.1W part per datasheet, matching target.; RS-03K4303FT: matched; FRH0603D4423TS: Candidate data shows 1W in one source, but is a 0.1W part per datasheet, matching target. |
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — matched; RC0603FR-07430KL: matched; RS-03K4303FT: matched; FRH0603D4423TS: matched |
| Tcr | ±100 ppm/°C | - | ±100 ppm/°C | - | ±100 ppm/°C — matched |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0603WAF4323T5E 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.