
UNI-ROYAL
Pin-compatible alternative from UNI-ROYAL with matching package, resistance, tolerance, and power rating.
FRC0402F5100TS is a standard 510Ω, 1%, 1/16W resistor in a 0402 package. Several pin-compatible alternatives and functional substitutes are available from various manufacturers, allowing for flexible sourcing.
Occurs if selecting a part with wider tolerance (5% vs 1%).
Occurs if selecting a functional alternate in a different package (e.g., 0603), requiring a PCB redesign.
Direct replacement for FRC0402F5100TS 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 FRC0402F5100TS, then review parametric alternatives for package and electrical fit.
The main risk is inadvertently using a substitute with a wider tolerance (e.g., ±5%) in an application that requires ±1% precision, or selecting a part with a different package size.

UNI-ROYAL
Pin-compatible alternative from UNI-ROYAL with matching package, resistance, tolerance, and power rating.
| Feature / factor | FRC0402F5100TS | 0402WGF5100TCE | RC-02K5100FT | RC0402JR-07510RL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | - | - | 0402 — Identical package size. |
| Resistance | 510 Ω | 510 Ω | - | - | 510 Ω — Identical resistance value. |
| Tolerance | ±1% | ±1% | - | - | ±5% — Weaker tolerance, may not be suitable for precision circuits. |
| Power | 0.0625 W | 0.0625 W | - | - | 0.0625 W — Identical power rating. |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C — Identical temperature coefficient. |
Verified drop-in options for FRC0402F5100TS 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.