0402WGF5112TCE
UNI-ROYAL
Needs validationlow risk
A strong pin-to-pin candidate from UNI-ROYAL with identical key parameters; requires TCR verification.
Best Alternatives to RC0402FR-0751K1L
Reviewing alternatives for the Yageo RC0402FR-0751K1L, a 51.1kΩ 1% 0402 thick film resistor. This guide identifies pin-compatible, upgraded, and cost-effective options.
AI replacement insight
Electrical riskmedium
Some candidates have wider tolerance (5% vs 1%) or slightly different resistance values. Must be verified.
Package risklow
All recommended candidates use the same 0402 package.
Sourcing risklow
Multiple manufacturers offer compatible parts, indicating good availability.
Can it be replaced directly?
Direct replacement for RC0402FR-0751K1L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a like-for-like swap, 0402WGF5112TCE is the closest match. For an upgrade, Yageo's RT0402BRD0751KL offers significantly better precision.
Main risk
The main risk is using a replacement with a wider tolerance (e.g., 5%), which could affect circuit performance if precision is required.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RC0402FR-0751K1L | 0402WGF5112TCE | AF0402FR-0751KL | RT0402BRD0751KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Identical package and pin count.; AF0402FR-0751KL: Identical package and pin count.; RT0402BRD0751KL: Identical package and pin count.; RC0402JR-0751KL: Identical package and pin count. |
| Resistance | 51.1 kΩ | 51.1 kΩ | 51 kΩ | 51 kΩ | 51.1 kΩ / 51 kΩ — Resistance values are identical.; AF0402FR-0751KL: Negligible resistance difference (-0.2%).; RT0402BRD0751KL: Negligible resistance difference (-0.2%).; RC0402JR-0751KL: Negligible resistance difference (-0.2%). |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% / ±5% — Tolerance is identical.; AF0402FR-0751KL: Tolerance is identical.; RT0402BRD0751KL: Tighter tolerance is a significant upgrade.; RC0402JR-0751KL: Wider tolerance is a significant downgrade. |
| Power | 0.0625 W | 0.0625 W | - | - | 0.0625 W — Power rating is identical.; RC0402JR-0751KL: Power rating is identical. |
| Tcr | ±100 ppm/°C | missing | - | 25 ppm/°C | missing / 25 ppm/°C — TCR data missing, datasheet review required. Expected to match.; RT0402BRD0751KL: Lower TCR provides better temperature stability. |
| Application | General Purpose | - | AEC-Q200, Anti-Sulfur | - | AEC-Q200, Anti-Sulfur — Automotive grade and anti-sulfurated for higher reliability. |
| Technology | Thick Film | - | - | Thin Film | Thin Film — Upgraded to more stable Thin Film technology. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0402FR-0751K1L 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.