0201WMF4022TEE
UNI-ROYAL
Needs validationlow risk
Strongest candidate with matching package and key electricals, but requires TCR verification.
Best Alternatives to RC0201FR-0740K2L
Find and compare replacements for the Yageo RC0201FR-0740K2L, a 40.2kΩ 1% 0.05W 0201 chip resistor. This page lists potential pin-compatible, functional, and parametric alternatives to help you manage your bill of materials.
AI replacement insight
Electrical riskmedium
Several alternatives have different resistance values or unknown TCR, which can impact precision circuits.
Package riskhigh
Some functional alternatives are in different packages (e.g., 0805) and are not physically compatible.
Can it be replaced directly?
Direct replacement for RC0201FR-0740K2L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The strongest candidate is 0201WMF4022TEE, which matches all key specs but requires datasheet verification of its Temperature Coefficient of Resistance (TCR).
Main risk
The main risks are using a part with a different package requiring PCB changes, or a part with incorrect resistance or TCR, affecting circuit performance.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | RC0201FR-0740K2L | 0201WMF4022TEE | FRC0805F4022TS | RC0201FR-0743KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0201 | 0201 | 0805 | 0201 | 0201 / 0805 — Matches target package size.; FRC0805F4022TS: Larger package, not a drop-in replacement.; RC0201FR-0743KL: Matches target package size.; 0201WMF3902TEE: Matches target package size. |
| Resistance | 40.2 kΩ | 40.2 kΩ | 40.2 kΩ | 43 kΩ | 40.2 kΩ / 43 kΩ / 39 kΩ — Exact resistance match.; FRC0805F4022TS: Exact resistance match.; RC0201FR-0743KL: Resistance is ~7% higher than target.; 0201WMF3902TEE: Resistance is ~3% lower than target. |
| Tolerance | ±1% | ±1% | - | ±1% | ±1% — Matches precision requirement.; RC0201FR-0743KL: Matches precision requirement. |
| Power | 0.05 W | 0.05 W | 0.125 W | - | 0.05 W / 0.125 W — Matches power rating.; FRC0805F4022TS: Higher power rating is a safe upgrade. |
| Tcr | ±200 ppm/°C | Unknown | ±100 ppm/°C | ±200 ppm/°C | Unknown / ±100 ppm/°C / ±200 ppm/°C — TCR not found in provided data, must be verified from datasheet.; FRC0805F4022TS: Better TCR provides higher stability.; RC0201FR-0743KL: Matches TCR.; 0201WMF3902TEE: TCR not found, must be verified from datasheet. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RC0201FR-0740K2L 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.