
Panasonic
AEC-Q200 qualified thick film resistor from a major brand with matching key parameters and package.
WR06X1003FTL is a general-purpose 100kΩ, 1%, 0.1W thick film resistor in a standard 0603 package. Several pin-compatible alternatives and high-precision upgrades are available.
All candidates use the standard 0603 package.
Low for thick film parts; medium for thin film parts due to technology differences.
This is a very common resistor value with multiple sources.
Direct replacement for WR06X1003FTL 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 WR06X1003FTL, then review parametric alternatives for package and electrical fit.
The primary risk is ensuring minor parameters like voltage rating and TCR are within the application's limits. Switching to a thin film part introduces technology-related risks.

Panasonic
AEC-Q200 qualified thick film resistor from a major brand with matching key parameters and package.
| Feature / factor | WR06X1003FTL | ERJ3EKF1003V | FCR0603F100K | RTT031003FTP | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 metric) | 0603 (1608 metric) | 0603 | 0603 | 0603 (1608 metric) / 0603 (1608 Metric) — Matches standard 0603 footprint.; FCR0603F100K: Matches standard 0603 footprint.; RTT031003FTP: Matches standard 0603 footprint.; AR03BTCX1003: Matches standard 0603 footprint. |
| Resistance | 100kΩ | 100kΩ | 100kΩ | 100kΩ | 100kΩ — Identical resistance value.; FCR0603F100K: Identical resistance value.; RTT031003FTP: Identical resistance value. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% / ±0.1% — Identical tolerance.; FCR0603F100K: Identical tolerance.; RTT031003FTP: Identical tolerance.; AR03BTCX1003: Significantly tighter tolerance. |
| Tcr | ≤ ±100 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C / ±25 ppm/°C — Matching temperature coefficient.; AR03BTCX1003: Significantly better temperature stability. |
| Application | General Purpose | AEC-Q200 | AEC-Q200, Anti-Sulfuration | - | AEC-Q200 / AEC-Q200, Anti-Sulfuration — Candidate has automotive qualification.; FCR0603F100K: Candidate has automotive qualification. |
| Power | 0.1W | - | 0.1W | 0.1W | 0.1W — Matching power rating.; RTT031003FTP: Matching power rating. |
| Technology | Thick Film | - | - | Thick Film | Thick Film / Thin Film — Same resistor technology.; AR03BTCX1003: Different technology may affect noise/pulse performance. |
Verified drop-in options for WR06X1003FTL 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.