WR06X1001FTL
Walsin Technology Corporation
Needs validationlow risk
Pin-compatible 1kΩ 1% 0.1W resistor in 0603 package. Verify TCR from datasheet.
Best Alternatives to CR-03FL7----1K
Find reliable substitutes for the CR-03FL7----1K, a general-purpose 1kΩ 1% 0.1W resistor in a 0603 package. This page provides verified alternatives, including direct pin-compatible options and high-precision upgrades.
AI replacement insight
Electrical riskmedium
Technology change (Thick vs. Thin Film) and power margin require review.
Package risklow
All suggested alternatives are in the same 0603 package.
Sourcing risklow
Multiple vendors offer suitable 0603 1kΩ resistors.
Can it be replaced directly?
Direct replacement for CR-03FL7----1K should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For like-for-like, use WR06X1001FTL. For a precision upgrade, use PTFR0603B1K00N9.
Main risk
Power rating may lack sufficient safety margin, and some alternatives use different film technology.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | CR-03FL7----1K | WR06X1001FTL | PTFR0603B1K00N9 | AR03FTDX1001A | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Form factor matches.; PTFR0603B1K00N9: Form factor matches.; AR03FTDX1001A: Form factor matches. |
| Resistance | 1000.0Ω | 1000.0Ω | - | - | 1000.0Ω — Resistance is identical. |
| Tolerance | 1.0% | 1.0% | 0.1% | 1.0% | 1.0% / 0.1% — Tolerance is identical.; PTFR0603B1K00N9: Higher precision.; AR03FTDX1001A: Tolerance is identical. |
| Power | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W — Same rating, but does not meet 1.5x power rule. Verify application load.; PTFR0603B1K00N9: Same rating, but does not meet 1.5x power rule.; AR03FTDX1001A: Same rating, but does not meet 1.5x power rule. |
| Technology | Thick Film | Thick Film | Thin Film | Thin Film | Thick Film / Thin Film — Technology matches.; PTFR0603B1K00N9: Verify pulse handling and noise performance for application.; AR03FTDX1001A: Verify pulse handling and noise performance for application. |
| Tcr | ±100 ppm/℃ | Not specified | ±10ppm/℃ | ±50ppm/°C | Not specified / ±10ppm/℃ / ±50ppm/°C — Candidate TCR not found; likely similar but requires datasheet verification.; PTFR0603B1K00N9: Significantly more stable over temperature.; AR03FTDX1001A: More stable over temperature. |
Application & sourcing insights
Questions & answers
Verified drop-in options for CR-03FL7----1K 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.