Vishay Dale CRCW040264K9FKED

Overview of Vishay Dale CRCW040264K9FKED Chip Resistor

The Vishay Dale CRCW040264K9FKED is a high-reliability surface-mount device (SMD) resistor designed to meet the evolving demands of modern electronics. Featuring a resistance of 64.9 kΩ with ±1% tolerance, a compact 0402 (1005 metric) package, and a rated power of 0.063 W (1/16 W), this thick film resistor is AEC-Q200 qualified for automotive-grade performance. Its RoHS compliance and halogen-free construction further ensure suitability across green technology platforms and applications with stringent environmental requirements.

Main Characteristics of the CRCW040264K9FKED Series

The CRCW040264K9FKED stands out for dependable performance and robust specification, including stability at various environmental conditions and application flexibility. It demonstrates resistance value drift of less than 1% after 1000 hours at rated power (70°C). Enhanced packaging options, such as precise pitch requirements for automated pick-and-place assembly, support high-volume, reliable manufacturing. RoHS and halogen-free status, alongside extensive qualification to automotive standards, fortify its position among precision resistors used in mission-critical assemblies.

Design Structure and Production Methods of CRCW040264K9FKED

At the core of Vishay Dale's CRCW040264K9FKED manufacturing is a meticulous process that ensures long-term stability and repeatability. The resistor employs a cermet film layer deposited on a high-purity alumina (Al₂O₃) ceramic substrate, with integral inner contacts pre-defined for electrical reliability. Advanced laser trimming technology achieves accurate resistance values while preserving substrate integrity. The finished chip receives a protective coating against mechanical, electrical, and climatic stress, followed by terminations plated in pure tin on nickel for soldering compatibility. Every CRCW040264K9FKED unit is subjected to 100% automated optical and electrical testing before tape-and-reel packaging per IEC 60286-3.

Electrical and Physical Properties of CRCW040264K9FKED

Performance characteristics of the CRCW040264K9FKED cover both electrical and mechanical domains. Engineers can rely on specified power handling (0.063 W) and tight tolerance (±1%) for precision circuits. The device maintains its specified resistance across a wide ambient temperature range, with careful attention required to ensure film temperature limits are respected for optimal dissipation. Stability under pulse load conditions, current noise, and non-linearity are all engineered for predictability, with rated values proven under rigorous test schedules. The compact 0402 footprint supports density-critical layouts without sacrificing electrical integrity.

Regulatory Adherence and Environmental Impact of CRCW040264K9FKED

Vishay Dale ensures the CRCW040264K9FKED meets, and in many cases exceeds, international standards for reliability and safety. The device is fully compliant with IEC 62474 (material declaration), GADSL (Global Automotive Declarable Substance List), REACH (SVHC), the End-of-Life Vehicle Directive (2000/53/EC), RoHS (2011/65/EU), and WEEE (2012/19/EU). No banned or hazardous substances are present, and the supply chain avoids conflict minerals. Component qualification extends to AEC-Q200 for automotive environments, with additional testing per EN 60115-1, EN 60115-8, EN 140401-802, and a series of IEC 60068 environmental protocols.

Common Uses for Vishay Dale CRCW040264K9FKED

Applications for the CRCW040264K9FKED span automotive, industrial, and telecommunications sectors, where precise resistance, long-term stability, and compact form are critical. In automotive electronics, typical placements include ECUs and sensor circuits requiring AEC-Q200-qualified components. Industrial machinery benefits from the resistor's endurance under variable environmental states and aggressive thermal conditions. Telecommunications demand fine-tolerance SMD resistors in RF and digital circuit paths to ensure signal integrity and reference accuracy.

PCB Installation Instructions for CRCW040264K9FKED

PC board designers should follow established standards (IEC 61188-5-x, IPC-7351) for solder pad dimensions to optimize solder joints and thermal performance for the CRCW040264K9FKED. The device is compatible with high-speed, automatic SMD assembly lines and supports wave, reflow, or vapor-phase solder processes per IEC 61760-1. Its encapsulation withstands cleaning cycles involving standard solvents, including alcohols, esters, and aqueous solutions. Lead-free pure tin plating allows both Pb-free and conventional soldering, with solderability guaranteed for 2 years post-production or requalification and permitted storage up to 20 years.

Inspection Methods and Quality Control of CRCW040264K9FKED

All CRCW040264K9FKED resistors undergo exhaustive testing according to EN and IEC standards, including EN 60115-1/8 and IEC 60068-2-xx methods. Environmental tests evaluate performance over a wide temperature, humidity, and air pressure range, ensuring reliability in diverse operating scenarios. The climatic category LCT/UCT/56 governs lower/upper temperature limits and exposure times to damp heat, with mounting conducted per standards for realistic in-application assessment. Additional tests encompass pulse loading, non-linearity, noise measurement, and mechanical endurance, with many critical parameters exceeding industry minimums.

Alternative or Substitute Models for CRCW040264K9FKED

For engineers seeking similar functionality or alternative choices, potential equivalent or replacement models within the Vishay Dale product family include CRCW0603562RFKEA (562 Ω, 0603 size) and CRCW06030000Z0EA (0 Ω jumper, 0603 size). Additionally, Vishay Dale’s ‘Lead (Pb)-Free Thick Film, Rectangular, Semi-Precision Chip Resistors’ series offers options with improved TCR and tighter tolerances for applications demanding even higher precision. Models with SnPb termination are available for designs requiring lead-bearing solder interconnects.

Conclusion

The Vishay Dale CRCW040264K9FKED is a robust, precision SMD resistor solution for automotive, industrial, and communications electronics. Its construction, reliability, and certification pedigree make it suitable for products where stable resistance, miniaturization, and compliance are non-negotiable. With comprehensive support for modern assembly processes and an established qualification profile, engineers and procurement managers can select CRCW040264K9FKED with confidence for long-term, high-performance electronic solutions.