CGA4C4C0G2W681J060AE CGA4C4C0G2W681J060AE Ceramic Capacitor (MLCC)

CGA4C4C0G2W681J060AE

Overview

CGA4C4C0G2W681J060AE is a high-performance automotive-grade ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This passive component is specifically designed for demanding applications within the automotive industry, where reliability and stability are paramount. Ceramic capacitors, particularly MLCCs, are fundamental in modern electronics for their ability to store and release electrical energy, filter noise, and stabilize voltage rails. The CGA4C4C0G2W681J060AE leverages TDK’s advanced material science and manufacturing processes to deliver a robust and precise capacitance solution for critical automotive circuits.

Key Specifications

The CGA4C4C0G2W681J060AE boasts a set of specifications tailored for high-reliability applications:

• Applications: Automotive Grade – This designation signifies that the capacitor meets the stringent requirements for use in automotive electronics, including harsh environmental conditions and long operational lifespans.
• Brand: TDK – TDK is a renowned manufacturer known for its high-quality passive components, ensuring product reliability and performance consistency.
• Feature: AEC-Q200 MidSoft – AEC-Q200 certification confirms that the component has passed rigorous stress tests for automotive applications. The “MidSoft” feature indicates a specific type of dielectric material and construction designed to mitigate mechanical stress and cracking, which is crucial in environments subject to vibration and thermal cycling.
• AEC-Q200: YES – Explicitly confirms compliance with the Automotive Electronics Council’s AEC-Q200 standard, a critical factor for automotive design engineers.
• Tolerance: ±5% – This indicates the maximum permissible deviation of the actual capacitance value from the nominal 680pF. A tight tolerance of ±5% is essential for precision timing circuits, filtering, and resonant applications where exact capacitance is required for optimal circuit performance.
• L x W Size: 2.0mm x 1.25mm [EIA 0805] – This specifies the physical dimensions of the surface-mount component, corresponding to the industry-standard 0805 package size. This compact size allows for high-density PCB layouts, crucial in space-constrained automotive modules.
• Capacitance: 680pF – The nominal capacitance value of 680 picofarads. This value is suitable for various applications, including high-frequency decoupling, resonant circuits, and timing applications.
• T(Max.) / mm: 0.75 – This indicates the maximum thickness of the component, which is 0.75mm. This thin profile contributes to the overall miniaturization of electronic modules.
• Temperature Characteristic: C0G – C0G (also known as NP0) is one of the most stable dielectric materials for ceramic capacitors. It signifies a very low change in capacitance over a wide operating temperature range, making it ideal for precision applications where temperature stability is critical.
• Component Type: Ceramic Capacitor (MLCC) – Confirms it is a Multi-Layer Ceramic Capacitor, known for its small size, high-frequency performance, and reliability.
• Product Status: Production – Indicates that the component is actively being manufactured and is readily available for new designs and mass production.
• Rated Voltage [DC] / V: 450 – The maximum DC voltage that can be continuously applied across the capacitor without risk of breakdown. A high-rated voltage of 450V makes this capacitor suitable for applications involving higher voltage rails, such as those found in EV/HEV power electronics or certain sensor interfaces.
• Cap. Change or Temp. Coef.: 0±30ppm/°C – This is the temperature coefficient of capacitance, indicating an extremely low change in capacitance (0 ± 30 parts per million per degree Celsius) over the operating temperature range. This further emphasizes the C0G dielectric’s stability.
• Operating Temp. Range / °C: -55 to 125 – This wide operating temperature range (-55°C to 125°C) highlights the capacitor’s robustness and suitability for harsh automotive environments, which can experience extreme temperature fluctuations.

Features and Benefits

• Exceptional Temperature Stability: The C0G dielectric ensures minimal capacitance variation over a broad operating temperature range (-55°C to 125°C), making it ideal for precision applications in fluctuating thermal environments.
• Automotive Grade Reliability: AEC-Q200 certification and the “MidSoft” feature provide superior reliability and resistance to mechanical stress, vibration, and thermal shock, crucial for the demanding automotive sector.
• High Voltage Capability: With a rated voltage of 450V DC, this capacitor can be effectively utilized in higher voltage circuits, offering versatility across various automotive power management and signal conditioning applications.
• Compact and Space-Saving Design: The EIA 0805 package (2.0mm x 1.25mm) allows for efficient use of PCB space, enabling miniaturization of electronic modules without compromising performance.
• Precision Capacitance: A tight ±5% tolerance ensures accurate capacitance values, which is critical for sensitive timing, filtering, and resonant circuits where precise component values are essential for optimal system function.
• Robust Construction: TDK’s manufacturing expertise ensures a durable and long-lasting component, reducing maintenance and replacement costs in critical automotive systems.

Typical Applications

• Engine Control Units (ECUs): The CGA4C4C0G2W681J060AE is ideal for filtering and decoupling applications within ECUs, where stable power delivery and noise suppression are vital for precise engine management and emissions control. Its automotive-grade reliability ensures performance in harsh under-hood conditions.
• Advanced Driver-Assistance Systems (ADAS): In ADAS modules such as radar, lidar, and camera systems, this capacitor can be used for signal conditioning, power supply decoupling, and timing circuits. Its high stability and precision are crucial for the accurate operation of these safety-critical systems.
• Infotainment and Telematics Systems: For power filtering and signal integrity in automotive infotainment and telematics units, the CGA4C4C0G2W681J060AE provides reliable performance. Its compact size helps in designing sleek, integrated systems.
• Electric Vehicle (EV) and Hybrid Electric Vehicle (HEV) Power Electronics: While not a primary power capacitor, this MLCC can be used in control circuits, sensor interfaces, and auxiliary power supplies within EV/HEV systems, benefiting from its high-rated voltage and temperature stability in the demanding environment of electric powertrains.
• Automotive Lighting Systems: In LED driver circuits and other automotive lighting applications, the capacitor can contribute to stable power delivery and flicker reduction, ensuring consistent and reliable illumination.

Summary

The CGA4C4C0G2W681J060AE from TDK is a top-tier automotive-grade ceramic capacitor, offering an exceptional blend of precision, reliability, and robust performance. Its AEC-Q200 qualification, C0G dielectric, and high voltage rating make it an indispensable component for critical automotive electronics. This part is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring ready availability for your design and production needs.

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