WR04X1003FTL
Walsin Technology Corporation
Needs validationmedium risk
A general-purpose resistor with matching core parameters but without automotive-grade qualifications.
Best Alternatives to AF0402FR-07100KL
AF0402FR-07100KL is a 100kΩ 1% 1/16W thick film resistor in an 0402 package, qualified to AEC-Q200 for automotive applications. Finding a substitute requires matching these critical qualifications.
AI replacement insight
Electrical riskhigh
Substituting a general-purpose part for an AEC-Q200 qualified one introduces reliability risks.
Package risklow
All reviewed candidates use the same 0402 package, ensuring physical compatibility.
Can it be replaced directly?
No direct, drop-in replacement has been identified that matches all specifications, including the critical AEC-Q200 automotive qualification.
Best replacement path
For non-automotive applications, WR04X1003FTL is a strong parametric match. For automotive use, a direct replacement must also be AEC-Q200 qualified and anti-sulfurated.
Main risk
Using a non-AEC-Q200 qualified part in an automotive or high-reliability application can lead to component failure.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | AF0402FR-07100KL | WR04X1003FTL | RT0402BRE07100KL | RT0402FRE07100KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Same package ensures physical compatibility.; RT0402BRE07100KL: Same package ensures physical compatibility.; RT0402FRE07100KL: Same package ensures physical compatibility.; CR0402FF1003G: Same package ensures physical compatibility. |
| Resistance | 100kΩ ±1% | 100kΩ ±1% | - | 100kΩ ±1% | 100kΩ ±1% — Resistance and tolerance match the target.; RT0402FRE07100KL: Resistance and tolerance match the target.; CR0402FF1003G: Resistance and tolerance match the target. |
| Technology | Thick Film | Thick Film | Thin Film | Thin Film | Thick Film / Thin Film — Same resistor technology as target.; RT0402BRE07100KL: Different resistor technology may affect performance.; RT0402FRE07100KL: Different resistor technology may affect performance like pulse handling. |
| Temperature | -55°C to +155°C | -55°C to +155°C | - | - | -55°C to +155°C / -55°C to +125°C — Matching operating temperature range.; CR0402FF1003G: Candidate has a lower maximum operating temperature. |
| Application | AEC-Q200, Anti-Sulfur | No | No | No | No — Candidate is not AEC-Q200 qualified or anti-sulfurated.; RT0402BRE07100KL: Candidate is not AEC-Q200 qualified.; RT0402FRE07100KL: Candidate is not AEC-Q200 qualified.; CR0402FF1003G: Candidate is not AEC-Q200 qualified. |
| Tolerance | ±1% | - | ±0.1% | - | ±0.1% — Tighter tolerance provides higher precision. |
| Tcr | Not specified (Typ. ±100) | - | 50 ppm/°C | 50 ppm/°C | 50 ppm/°C — Superior temperature coefficient offers better stability.; RT0402FRE07100KL: Superior temperature coefficient offers better stability. |
| Power | 1/16W | - | - | - | 1/16W — Same power rating. |
Application & sourcing insights
Questions & answers
For general-purpose, non-automotive applications, WR04X1003FTL is a strong candidate with matching electrical parameters and package. However, no identified substitute matches the target's critical AEC-Q200 qualification for automotive use.