
FOJAN
A potential pin-compatible replacement with matching resistance, tolerance, power rating, and 0805 package.
Find and compare verified substitutes for the UNI-ROYAL 0805W8F1213T5E, a 121kΩ 1% 0.125W 0805 chip resistor. This page provides pin-compatible and parametric alternatives from various manufacturers.
For pin-compatible matches, risk is low. For parametric alternatives, resistance deviation must be checked.
All candidates use the standard 0805 package, ensuring physical compatibility.
Direct replacement for 0805W8F1213T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Start with Datasheet verified or Strong match candidates for 0805W8F1213T5E, then review parametric alternatives for package and electrical fit.
The main risk is using a parametric alternative with a different resistance value (e.g., 120kΩ or 124kΩ), which could alter circuit behavior if not properly analyzed.

FOJAN
A potential pin-compatible replacement with matching resistance, tolerance, power rating, and 0805 package.
| Feature / factor | 0805W8F1213T5E | FRC0805F1213TS | FRC0805F1243TS | RTT051203FTP | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Package size matches.; FRC0805F1243TS: Package size matches.; RTT051203FTP: Package size matches. |
| Resistance | 121 kΩ | 121 kΩ | 124 kΩ | 120 kΩ | 121 kΩ / 124 kΩ / 120 kΩ — Resistance value matches.; FRC0805F1243TS: Resistance is ~2.5% higher.; RTT051203FTP: Resistance is ~0.8% lower. |
| Tolerance | ±1% | ±1% | - | - | ±1% — Tolerance matches. |
| Power | 0.125 W | 0.125 W | 0.125 W | 0.125 W | 0.125 W — Power rating matches based on datasheet; source data had an error.; FRC0805F1243TS: Power rating matches.; RTT051203FTP: Power rating matches. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | missing | ±100 ppm/°C / missing — Temperature coefficient matches.; FRC0805F1243TS: Temperature coefficient matches.; RTT051203FTP: TCR not specified in catalog data. |
Verified drop-in options for 0805W8F1213T5E 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.