CGA4J3X7R1E684M125AD CGA4J3X7R1E684M125AD Ceramic Capacitor (MLCC)

CGA4J3X7R1E684M125AD is a high-performance, automotive-grade multilayer ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This passive component is specifically designed to meet the rigorous demands of automotive electronics, offering exceptional reliability and stability. As an MLCC, it functions as an energy storage device, filtering noise, smoothing voltage fluctuations, and coupling/decoupling signals within electronic circuits. Its compact size and robust construction make it an ideal choice for space-constrained and harsh operating environments, crucial for modern automotive applications. TDK’s commitment to quality ensures that this capacitor delivers consistent performance, contributing to the overall reliability and longevity of the end product.

Key Specifications

This TDK CGA4J3X7R1E684M125AD MLCC boasts several critical specifications that define its performance and suitability for demanding applications. The ‘Apps.’ attribute, indicating ‘Automotive Grade’, signifies that this capacitor is specifically engineered and tested to withstand the challenging conditions found in automotive environments, including wide temperature variations, vibrations, and electrical transients. The ‘Brand’ is TDK, a testament to its quality and reliability, as TDK is a renowned manufacturer in the electronics industry. The ‘Feature’ of ‘AEC-Q200Glue’ highlights its compliance with the Automotive Electronics Council’s AEC-Q200 standard, a critical qualification for passive components used in automotive applications, ensuring high reliability and robustness. The ‘Tolerance’ of ‘±20%’ refers to the permissible deviation from the nominal capacitance value, which is a standard range for many general-purpose and automotive-grade MLCCs, indicating a practical balance between precision and cost-effectiveness. The ‘L x W Size’ of ‘2.0mm x 1.25mm [EIA 0805]’ specifies its physical dimensions, corresponding to the industry-standard 0805 package size, which is a common footprint offering a good balance between component density and ease of handling. The ‘Capacitance’ of ‘680nF’ (nanofarads) is the primary electrical parameter, indicating its ability to store charge, making it suitable for various filtering and decoupling tasks. ‘T(Max.) / mm’ at ‘1.5’ denotes the maximum thickness of the component, important for mechanical design and assembly considerations. The ‘Temp. Chara.’ of ‘X7R’ describes the dielectric material’s temperature coefficient, indicating a relatively stable capacitance change over a wide temperature range, specifically ‘±15%’ over the full operating temperature range. The ‘Operating Temp. Range / °C’ from ‘-55 to 125’ specifies the extreme temperatures under which the capacitor can reliably operate, a crucial factor for automotive applications exposed to varying climatic conditions. Finally, the ‘Rated Voltage [DC] / V’ of ’25’ indicates the maximum DC voltage that can be continuously applied across the capacitor without breakdown, ensuring safe and reliable operation within specified voltage limits.

Features and Benefits

• AEC-Q200 Qualified: This capacitor meets the stringent AEC-Q200 standard, ensuring high reliability and performance in automotive applications, critical for safety and long-term operation.
• Wide Operating Temperature Range: With an operating temperature range from -55°C to 125°C, it is suitable for extreme environmental conditions commonly encountered in automotive and industrial settings.
• Stable X7R Dielectric: The X7R dielectric material provides a stable capacitance over a broad temperature range, minimizing performance variations and ensuring consistent circuit operation.
• Compact 0805 Package: The 2.0mm x 1.25mm (0805) footprint allows for high-density mounting on PCBs, enabling miniaturization and space-saving designs in modern electronic systems.
• High Capacitance Value: A 680nF capacitance offers effective filtering and decoupling capabilities, crucial for maintaining signal integrity and power supply stability in complex circuits.
• TDK Quality and Reliability: Manufactured by TDK, a trusted name in electronics, this component guarantees superior quality, consistent performance, and long operational life.

Typical Applications

This robust TDK CGA4J3X7R1E684M125AD ceramic capacitor is designed for a multitude of demanding applications, particularly within the automotive sector, due to its AEC-Q200 qualification and wide operating temperature range.

Automotive Engine Control Units (ECUs): In ECUs, this capacitor is vital for filtering power supply lines, decoupling integrated circuits, and stabilizing sensor signals. Its ability to withstand high temperatures and vibrations ensures reliable operation of critical engine management functions, from fuel injection to ignition timing.

Infotainment and Advanced Driver-Assistance Systems (ADAS): For ADAS modules like radar, lidar, and camera systems, as well as infotainment units, the CGA4J3X7R1E684M125AD provides essential power supply decoupling, reducing noise and ensuring stable operation of sensitive digital and analog circuits, contributing to accurate data processing and reliable user experience.

Automotive Lighting Systems: In LED headlamps, taillights, and interior lighting modules, these capacitors help to smooth voltage ripples, protect against transients, and ensure consistent illumination. Their automotive-grade reliability is crucial for safety-critical lighting functions.

Industrial Control Systems: Beyond automotive, this capacitor finds use in harsh industrial environments where robust components are required. It can be employed in industrial PLCs, motor control drives, and sensor interfaces for power conditioning, noise suppression, and timing circuits, benefiting from its wide temperature range and durability.

Power Management Modules: In various DC-DC converters and power supply units, both automotive and industrial, the 680nF capacitance is effective for input/output filtering, energy storage, and transient suppression, contributing to stable and efficient power delivery.

Summary

The CGA4J3X7R1E684M125AD from TDK is an exceptional automotive-grade multilayer ceramic capacitor, offering superior reliability, a wide operating temperature range, and stable performance. Its AEC-Q200 qualification and compact 0805 package make it an ideal choice for critical automotive and industrial applications requiring robust and high-performance passive components. This product is readily stocked and shipped across India by Cirkit Electro Components, Mumbai.

Browse more Ceramic Capacitors (MLCC) at Cirkit Electro Components.

Buy CGA4J3X7R1E684M125AD online in India from Cirkit Electro Components, Mumbai. GST invoice provided, fast shipping across India, and bulk / quantity pricing available. Add to cart, or contact us for bulk orders and the best price in India.