FRC0805F2101TS
FOJAN
Needs validationlow risk
A strong 2.1kΩ 1% 0.125W 0805 resistor alternative from FOJAN.
Best Alternatives to 0805W8F2101T5E
Find and compare replacements for the UNI-ROYAL 0805W8F2101T5E, a 2.1kΩ 1% 0.125W 0805 chip resistor. This guide provides pin-compatible options and parametric alternatives to meet your design needs.
AI replacement insight
Package risklow
All candidates use the standard 0805 package, ensuring physical compatibility.
Electrical riskmedium
For non-identical parts, resistance deviation is the main concern. Power rating and TCR are generally matched or better.
Can it be replaced directly?
Direct replacement for 0805W8F2101T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
FRC0805F2101TS by FOJAN and RS-05K2101FT by Fenghua are strong pin-to-pin candidates with matching key parameters.
Main risk
The primary risk when considering alternatives is a mismatch in resistance value. Several candidates have values like 2.0kΩ or 2.21kΩ, which requires circuit tolerance analysis.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 0805W8F2101T5E | FRC0805F2101TS | RS-05K2101FT | AC0805FR-072KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Package size matches.; RS-05K2101FT: Package size matches.; AC0805FR-072KL: Package size matches.; AC0805FR-7W2KL: Package size matches. |
| Resistance | 2.1 kΩ | 2.1 kΩ | 2.1 kΩ | 2.0 kΩ | 2.1 kΩ / 2.0 kΩ — Resistance value matches.; RS-05K2101FT: Resistance value matches.; AC0805FR-072KL: Resistance is ~4.7% lower. Application tolerance must be checked.; AC0805FR-7W2KL: Resistance is ~4.7% lower. Application tolerance must be checked. |
| Tolerance | ±1% | ±1% | ±1% | - | ±1% — Tolerance matches.; RS-05K2101FT: Tolerance matches. |
| Power | 0.125 W | 0.125 W | 0.125 W | 0.125 W | 0.125 W / 0.25 W — Power rating matches.; RS-05K2101FT: Power rating matches.; AC0805FR-072KL: Power rating matches. Corrected from a data artifact error.; AC0805FR-7W2KL: Higher power rating provides more design margin. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficient matches. |
| Application | Commercial | - | - | - | AEC-Q200 — Candidate is automotive grade. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0805W8F2101T5E 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.