
FOJAN
This FOJAN resistor is a strong pin-to-pin candidate, matching resistance, tolerance, power, and package.
Finding a substitute for the 0805W8F5113T5E, a 511kΩ 1% 0.125W 0805 resistor, involves matching key parameters. Several alternatives exist, from direct pin-compatible parts to options with relaxed parameters.
Risk increases if tolerance is relaxed (e.g. to 5%) or resistance value deviates.
All candidates share the same 0805 package, ensuring physical compatibility.
Direct replacement for 0805W8F5113T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best replacement is a cross-vendor part like FOJAN's FRC0805F5113TS, which matches all key electrical and physical specifications.
The main risk when substituting is using a part with a wider tolerance (e.g., 5%) or a different resistance value, which can affect circuit performance.

FOJAN
This FOJAN resistor is a strong pin-to-pin candidate, matching resistance, tolerance, power, and package.
| Feature / factor | 0805W8F5113T5E | FRC0805F5113TS | RS-05K5103FT | 0805W8J0514T5E | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Same EIA package size.; RS-05K5103FT: Same EIA package size.; 0805W8J0514T5E: Same EIA package size.; FRC0805J514 TS: Same EIA package size. |
| Resistance | 511 kΩ | 511 kΩ | 510 kΩ | 510 kΩ | 511 kΩ / 510 kΩ — Resistance value is identical.; RS-05K5103FT: Minor difference from target's 511kΩ, well within tolerance band.; 0805W8J0514T5E: Minor difference from target's 511kΩ.; FRC0805J514 TS: Minor difference from target's 511kΩ. |
| Tolerance | ±1% | ±1% | ±1% | ±5% | ±1% / ±5% — Precision tolerance is identical.; RS-05K5103FT: Precision tolerance is identical.; 0805W8J0514T5E: Tolerance is relaxed from target's ±1%.; FRC0805J514 TS: Tolerance is relaxed from target's ±1%. |
| Power | 0.125 W | 0.125 W | 0.125 W | 0.125 W | 0.125 W — Power rating is identical.; RS-05K5103FT: Power rating is identical.; 0805W8J0514T5E: Power rating is identical.; FRC0805J514 TS: Power rating is identical. |
| Tcr | ±100 ppm/°C (typical) | ±100 ppm/°C | - | - | ±100 ppm/°C — Temperature coefficient is a standard match. |
Verified drop-in options for 0805W8F5113T5E 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.