1206W4F3900T5E
UNI-ROYAL
Needs validationlow risk
390Ω 1206 candidate with tighter ±1% tolerance; confirm ratings before use.
Best Alternatives to 1206W4J0391T5E
1206W4J0391T5E is a 390Ω 1206 thick-film chip resistor. The closest catalog match found is a 390Ω ±1% UNI-ROYAL part.
AI replacement insight
Electrical risklow
Best match has same 390Ω value.
Package risklow
Kept parts are 1206.
Firmware risklow
Passive resistor; no firmware.
Sourcing riskmedium
PDF review is pending.
Can it be replaced directly?
1206W4F3900T5E is the strongest candidate, not yet fully verified.
Best replacement path
Use 1206W4F3900T5E first, pending FAE and datasheet checks.
Main risk
Power derating and application tolerance must be checked.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | 1206W4J0391T5E | 1206W4F3900T5E | 1206W4J0361T5E | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | - | 1206 — same EIA size | |
| Pinout | 2 terminals | 2 terminals | - | 2 terminals — chip resistor | |
| Resistance | 390 Ω | 390 Ω | - | 360 Ω — -7.7% nominal | |
| Tolerance | ±5% | ±1% | - | ±5% — same band | |
| Power | 0.25 W | 0.25 W | - | 0.25 W — verify dissipation |
Application & sourcing insights
Questions & answers
Verified drop-in options for 1206W4J0391T5E 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.