CGA4J3X7R1A475K125AB CGA4J3X7R1A475K125AB Ceramic Capacitor (MLCC)

CGA4J3X7R1A475K125AB 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 for demanding applications where reliability and stability are paramount. As part of the ceramic capacitor family, it functions as an energy storage device, filtering, bypassing, and coupling signals in various circuits. Its robust construction and adherence to stringent automotive standards make it an ideal choice for critical electronic systems, ensuring stable operation across a wide range of environmental conditions.

Key Specifications

The CGA4J3X7R1A475K125AB boasts several key specifications that underscore its suitability for demanding applications. Its ‘Apps.’ attribute as ‘Automotive Grade’ signifies that it has undergone rigorous testing and qualification processes to meet the strict reliability requirements of automotive electronics, ensuring performance in harsh environments. The ‘Brand’ is TDK, a testament to its quality and engineering excellence. A crucial ‘Feature’ is ‘AEC-Q200General’, confirming its compliance with the Automotive Electronics Council’s stress test qualification for passive components, further validating its automotive suitability. The ‘AEC-Q200’ attribute explicitly states ‘YES’, reinforcing its qualification. A ‘Tolerance’ of ‘±10%’ for capacitance indicates a precise manufacturing process, ensuring that the actual capacitance value is consistently within a tight range of the nominal value, which is critical for circuit performance. The ‘L x W Size’ of ‘2.0mm x 1.25mm [EIA 0805]’ refers to its physical dimensions, classifying it as an 0805 package size, a commonly used surface-mount component size offering a balance between miniaturization and ease of handling. A ‘Capacitance’ of ‘4.7μF’ provides significant energy storage capacity for filtering and decoupling applications. The ‘T(Max.) / mm’ of ‘1.45’ indicates its maximum thickness, important for board layout and space constraints. The ‘Temp. Chara.’ is ‘X7R’, a dielectric material known for its relatively stable capacitance over a wide operating temperature range, with a ‘Cap.Change or Temp.Coef.’ of ‘±15%’ from its nominal value across the full temperature range. The ‘Component Type’ is clearly a ‘Ceramic Capacitor (MLCC)’, confirming its fundamental nature. Its ‘Product Status’ is ‘Production’, meaning it is actively manufactured and readily available. A ‘Rated Voltage [DC] / V’ of ’10’ specifies the maximum continuous DC voltage that can be applied across the capacitor without risk of breakdown. Finally, an ‘Operating Temp. Range / °C’ of ‘-55 to 125’ highlights its ability to function reliably in extreme cold and hot conditions, a critical requirement for automotive and industrial applications.

Features and Benefits

• Automotive Grade Reliability: Fully AEC-Q200 qualified, this capacitor is built to withstand the harsh conditions prevalent in automotive environments, including extreme temperatures, vibrations, and humidity, ensuring long-term operational stability and safety-critical performance.
• Stable Capacitance over Temperature: Utilizing X7R dielectric material, the CGA4J3X7R1A475K125AB offers a capacitance change of only ±15% across its wide operating temperature range of -55°C to 125°C. This stability is crucial for maintaining circuit performance and timing accuracy in varying thermal conditions.
• Compact 0805 Package: The 2.0mm x 1.25mm (0805) form factor allows for efficient space utilization on printed circuit boards, facilitating miniaturization of electronic modules without compromising performance. This small footprint is ideal for high-density designs.
• High Capacitance in Small Size: With a capacitance of 4.7μF, this MLCC provides substantial energy storage and filtering capabilities within its compact dimensions, making it suitable for power supply decoupling and signal conditioning in space-constrained applications.
• Trusted TDK Quality: Manufactured by TDK, a renowned leader in passive components, this capacitor benefits from decades of engineering expertise and stringent quality control, guaranteeing consistent performance and reliability.

Typical Applications

• Automotive Infotainment Systems: The CGA4J3X7R1A475K125AB is ideal for filtering and decoupling power lines in car radios, navigation systems, and display units, where stable power delivery is essential for clear audio and visual performance. Its automotive grade ensures reliability in the vehicle’s challenging environment.
• Engine Control Units (ECUs): In ECUs, these capacitors provide critical decoupling for microcontrollers and other ICs, ensuring stable power supply and noise reduction, which is vital for precise engine management and emissions control.
• Advanced Driver-Assistance Systems (ADAS): For ADAS modules such as radar, camera, and lidar systems, this MLCC can be used for power supply filtering and signal integrity, contributing to the accurate and reliable operation of safety-critical functions like adaptive cruise control and lane keeping assist.
• Electric Vehicle (EV) Battery Management Systems (BMS): Within BMS, the CGA4J3X7R1A475K125AB can be employed for local decoupling of ICs that monitor cell voltage and temperature, ensuring precise data acquisition and robust system operation in the high-voltage EV environment.
• Industrial Control Systems: Beyond automotive, its robust design and wide operating temperature range make it suitable for industrial applications requiring high reliability, such as factory automation, process control, and power management systems where environmental conditions can be demanding.

In summary, the CGA4J3X7R1A475K125AB from TDK is a premium, automotive-grade MLCC offering exceptional reliability and performance across a broad temperature range. Its precise specifications and robust construction make it an indispensable component for critical electronic designs. This part is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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