CAA573X7S2A476M640LJ CAA573X7S2A476M640LJ Ceramic Capacitor (MLCC)

CAA573X7S2A476M640LJ

Overview

CAA573X7S2A476M640LJ is a high-performance Ceramic Capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This specific model is designed for demanding automotive applications, offering exceptional reliability and stability. As a passive component, its primary function is to store and release electrical energy, filter noise, and stabilize voltage in electronic circuits. The CAA573X7S2A476M640LJ is part of TDK’s robust lineup, engineered to meet stringent industry standards, making it an ideal choice for critical automotive systems where performance and durability are paramount.

Key Specifications

• Applications: Automotive Grade: This designation signifies that the capacitor is specifically designed, tested, and qualified for use in automotive electronics, adhering to rigorous standards for reliability, temperature range, and mechanical robustness required in vehicles.
• Brand: TDK: TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, including capacitors, inductors, and magnetic products. Their brand signifies innovation, reliability, and precision engineering.
• Feature: AEC-Q200, MidMEGA, LowR:
  • AEC-Q200: This is a critical qualification standard for passive electronic components used in automotive applications, ensuring they meet specific reliability and quality requirements under harsh conditions.
  • MidMEGA: This likely refers to TDK’s proprietary packaging or construction technology, indicating a balance between high capacitance and compact size, often with enhanced mechanical strength.
  • LowR: Denotes low equivalent series resistance (ESR), which is crucial for efficient power delivery and reduced heat generation, especially in high-frequency or high-current applications.
• AEC-Q200: YES: Explicitly confirms compliance with the Automotive Electronics Council’s AEC-Q200 standard, a testament to its suitability for automotive environments.
• Tolerance: ±20%: This indicates the permissible deviation of the actual capacitance value from its nominal value. A ±20% tolerance is common for general-purpose and power filtering applications where precise capacitance is less critical than stability and reliability.
• L x W Size: 5.7mm x 5.0mm [EIA 2220]: This specifies the physical dimensions of the capacitor. The EIA 2220 standard package size (5.7mm length x 5.0mm width) is relatively large for an MLCC, often chosen for higher capacitance values, higher voltage ratings, or increased power handling capabilities.
• Capacitance: 47μF: This is the primary electrical characteristic, representing the capacitor’s ability to store charge. A 47 microfarad (μF) capacitance is substantial for an MLCC, making it suitable for bulk decoupling, energy storage, and power supply filtering in various automotive modules.
• T(Max.) / mm: 6.9: This refers to the maximum thickness of the component, which is important for PCB layout and enclosure design considerations, ensuring adequate clearance.
• Temp. Chara.: X7S: The X7S temperature characteristic defines how the capacitance changes over a specified temperature range. For X7S, the capacitance change is within ±22% over an operating temperature range of -55°C to +125°C, making it highly stable across a wide thermal spectrum, essential for automotive use.
• Component Type: Ceramic Capacitor (MLCC): Multilayer Ceramic Capacitors (MLCCs) are widely used due to their compact size, high reliability, and excellent frequency characteristics. They consist of multiple layers of ceramic dielectric and metal electrodes.
• Product Status: Production: Indicates that the component is actively being manufactured and is available for purchase in volume, ensuring long-term supply stability for new designs and existing products.
• Rated Voltage [DC] / V: 100: This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage. A 100V rating provides a significant margin for 12V and 48V automotive systems, enhancing reliability.
• Cap.Change or Temp.Coef.: ±22%: This reiterates the capacitance change over the operating temperature range, specifically for the X7S dielectric, confirming its performance stability.
• Operating Temp. Range / °C: -55 to 125: This broad temperature range signifies the capacitor’s ability to function reliably in extreme cold and hot conditions, typical of automotive environments, from engine compartments to exterior applications.

Features and Benefits

• Exceptional Reliability for Automotive Use: The CAA573X7S2A476M640LJ is AEC-Q200 qualified, ensuring it meets the stringent reliability and quality standards required for automotive electronics, providing peace of mind in critical applications.
• Stable Performance Across Wide Temperatures: With an X7S temperature characteristic and an operating range of -55°C to 125°C, this capacitor maintains its electrical properties consistently, even in harsh thermal environments, crucial for vehicle longevity.
• High Capacitance in a Robust Package: Offering 47μF capacitance in an EIA 2220 package, it provides significant energy storage and filtering capabilities while being designed for mechanical robustness, suitable for vibration-prone automotive settings.
• Optimized for Power Efficiency: The “LowR” feature indicates low Equivalent Series Resistance (ESR), which minimizes power loss and heat generation, contributing to higher efficiency and cooler operation of electronic modules.
• Genuine TDK Quality Assurance: Manufactured by TDK, a leading name in electronic components, users benefit from decades of engineering expertise, ensuring high-quality materials and consistent performance.

Typical Applications

• Automotive Power Supply Decoupling: In vehicle electronic control units (ECUs) and infotainment systems, the CAA573X7S2A476M640LJ can be used for bulk decoupling on power rails, filtering out noise and stabilizing voltage to ensure clean power delivery to sensitive ICs. Its high capacitance and automotive grade make it ideal for this purpose.
• DC-DC Converter Output Filtering: Within automotive DC-DC converters, this capacitor can effectively smooth out ripple voltage at the output, ensuring a stable and clean DC supply for various subsystems like lighting, sensors, or communication modules. Its 100V rating provides ample headroom.
• Electric Vehicle (EV) Battery Management Systems (BMS): The CAA573X7S2A476M640LJ can be integrated into BMS circuits for local energy storage, voltage stabilization, and noise suppression near critical measurement or control ICs, contributing to the overall reliability and safety of the EV battery pack.
• Advanced Driver-Assistance Systems (ADAS) Modules: In ADAS applications such as radar, lidar, or camera modules, stable power is paramount. This capacitor can provide robust power filtering and energy buffering, ensuring the consistent and accurate operation of these safety-critical systems.
• Industrial and High-Reliability Systems: While primarily automotive grade, its robust construction, wide temperature range, and high reliability also make it suitable for demanding industrial control systems, heavy machinery electronics, and other applications requiring components that can withstand harsh operating conditions.

Summary

The CAA573X7S2A476M640LJ from TDK is a premium automotive-grade ceramic capacitor designed for high reliability and stable performance in challenging environments. Its robust specifications, including AEC-Q200 qualification, X7S temperature characteristic, and 47μF capacitance at 100V, make it an excellent choice for critical automotive and high-reliability industrial applications. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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