FRC0603F4301TS
FOJAN
Needs validationlow risk
FOJAN FRC0603F4301TS closely matches 4.3kΩ ±1% 0603 0.1W requirements.
Best Alternatives to 0603WAF4301T5E
0603WAF4301T5E is a 4.3kΩ ±1% 0603 thick-film resistor. The closest listed option is same-size and same-value, but FAE review is still needed.
AI replacement insight
Electrical risklow
Low for same-value parts; higher for 4.02kΩ or 4.7kΩ.
Package riskhigh
0805 candidates may not fit 0603 pads.
Firmware risklow
Passive resistor; no firmware issue.
Sourcing riskmedium
Availability not provided.
Can it be replaced directly?
FRC0603F4301TS is the closest candidate, with matching 4.3kΩ, ±1%, 0603 and 0.1W fields.
Best replacement path
Prefer same 4.3kΩ 0603 parts; use relaxed values only after circuit tolerance review.
Main risk
Application power margin and exact resistance value acceptance.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | 0603WAF4301T5E | FRC0603F4301TS | 0805W8F4301T5E | RC0603FR-074K7L | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 4.3kΩ | 4.3kΩ | - | - | 4.7kΩ — +9.3% |
| Tolerance | ±1% | ±1% | - | - | ±1% — same class |
| Package | 0603 | 0603 | - | - | 0805 — larger body |
| Power | 0.1W | 0.1W | - | - | 0.125W — not 1.5x |
| Voltage | 75V work | 75V work | - | - | 150V work — higher rating |
| Tcr | unknown | - | - | ±100ppm/°C | — |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0603WAF4301T5E 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.