1206W4F499KT5E
UNI-ROYAL
Needs validationlow risk
A potential pin-to-pin match with identical core specs, but requires TCR verification before use.
Best Alternatives to FRC1206F4R99TS
Find and compare replacements for the FRC1206F4R99TS, a 4.99Ω, 1%, 0.25W, 1206 chip resistor. This guide analyzes pin-compatible and parametric alternatives, highlighting key differences to ensure a reliable substitution.
AI replacement insight
Electrical riskmedium
Resistance and TCR differences are the main electrical risks. Power rating must be equal or greater.
Package risklow
All viable candidates use the same 1206 package, ensuring physical compatibility.
Can it be replaced directly?
Direct replacement for FRC1206F4R99TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use AC1206FR-075R1L as a parametric alternative. Its 5.1Ω resistance is very close to the 4.99Ω target, and it offers an upgrade to AEC-Q200.
Main risk
The primary risk is substituting a resistor with a different resistance value, which can alter circuit timing, gain, or sensor accuracy.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | FRC1206F4R99TS | 1206W4F499KT5E | AC1206FR-075R1L | CRCW12064R70FKEAHP | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 4.99 Ω | 4.99 Ω | 5.1 Ω | 4.7 Ω | 4.99 Ω / 5.1 Ω / 4.7 Ω — Exact match.; AC1206FR-075R1L: Slightly higher resistance (+2.2%).; CRCW12064R70FKEAHP: Lower resistance (-5.8%).; HP06W2F470KT5E: Lower resistance (-5.8%). |
| Tolerance | ±1% | ±1% | ±1% | - | ±1% — Exact match.; AC1206FR-075R1L: Exact match. |
| Power | 0.25 W | 0.25 W | 0.25 W | 0.75 W | 0.25 W / 0.75 W / 0.5 W — Exact match.; AC1206FR-075R1L: Exact match.; CRCW12064R70FKEAHP: Significantly higher power rating.; HP06W2F470KT5E: Higher power rating. |
| Package | 1206 | 1206 | - | 1206 | 1206 — Form and fit match.; CRCW12064R70FKEAHP: Form and fit match.; HP06W2F470KT5E: Form and fit match. |
| Tcr | ±100 ppm/°C | Missing | ±100 ppm/°C | - | Missing / ±100 ppm/°C — TCR data not found, verification needed.; AC1206FR-075R1L: Exact match.; HP06W2F470KT5E: Exact match. |
| Application | Commercial | - | AEC-Q200 | AEC-Q200 | AEC-Q200 — Automotive grade may be an upgrade.; CRCW12064R70FKEAHP: Automotive grade may be an upgrade. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC1206F4R99TS 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.