FRC0603F1821TS
FOJAN
Needs validationlow risk
A pin-compatible alternative from FOJAN with identical resistance, tolerance, power, and package.
Best Alternatives to 0603WAF1821T5E
Find the best substitutes for the 0603WAF1821T5E, a 1.82kΩ 1% 0.1W 0603 thick film resistor. This page analyzes pin-compatible and parametric alternatives to help you manage your bill of materials.
AI replacement insight
Electrical risklow
Low for pin-compatible parts; Medium for parametric alternatives, requiring analysis of the resistance change.
Package risklow
Low, as all candidates are in the standard 0603 package.
Sourcing risklow
Low, as these are common resistor values from multiple large manufacturers.
Can it be replaced directly?
Direct replacement for 0603WAF1821T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most straightforward replacement is a cross-vendor pin-to-pin part like FRC0603F1821TS, which matches all key specs.
Main risk
The primary risk is using a part with a different resistance value, which could alter circuit behavior. A secondary risk is insufficient power derating.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | 0603WAF1821T5E | FRC0603F1821TS | RC0603FR-071K74L | RC0603FR-071K91L | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 1.82 kΩ | 1.82 kΩ | 1.74 kΩ | 1.91 kΩ | 1.82 kΩ / 1.74 kΩ / 1.91 kΩ — Exact match.; RC0603FR-071K74L: -4.4% deviation. Verify circuit impact.; RC0603FR-071K91L: +4.9% deviation. Verify circuit impact. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Exact match.; RC0603FR-071K74L: Exact match.; RC0603FR-071K91L: Exact match. |
| Power | 0.1 W | 0.1 W | 0.1 W | 0.1 W | 0.1 W — Same rating. Verify application derating.; RC0603FR-071K74L: Same rating. Verify application derating.; RC0603FR-071K91L: Same rating. Verify application derating. |
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Matches standard 0603 footprint.; RC0603FR-071K74L: Matches standard 0603 footprint.; RC0603FR-071K91L: Matches standard 0603 footprint. |
| Manufacturer | UNI ROYAL | FOJAN | - | - | FOJAN — Cross-vendor alternative. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0603WAF1821T5E 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.