CGA4J2C0G2A682J125AA CGA4J2C0G2A682J125AA Ceramic Capacitor (MLCC)

CGA4J2C0G2A682J125AA is a high-reliability, automotive-grade multilayer 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 stable performance, robustness, and compliance with stringent quality standards are paramount. As an MLCC, it functions by storing and releasing electrical energy, playing a crucial role in filtering, decoupling, and timing circuits. Its compact size and excellent electrical characteristics make it an indispensable component for modern automotive electronics, contributing to the overall efficiency and reliability of various systems.

Key Specifications

The Applications attribute, specified as “Automotive Grade,” signifies that this capacitor is engineered and tested to meet the rigorous demands of automotive environments, including wide temperature variations, vibrations, and electrical transients. The Brand, TDK, assures users of a product from a reputable manufacturer known for its quality and innovation in passive components. The Feature “AEC-Q200Mid” and the explicit “YES” for AEC-Q200 confirm its compliance with the Automotive Electronics Council’s stress test qualification for passive components, a critical standard for automotive applications. The Tolerance of “±5%” indicates a high degree of precision in its capacitance value, which is important for circuits requiring tight tolerances. The L x W Size of “2.0mm x 1.25mm [EIA 0805]” denotes its physical dimensions, corresponding to the widely adopted 0805 imperial case size, offering a balance between miniaturization and ease of handling. A Capacitance of “6.8nF” (nanofarads) is a common value suitable for a variety of filtering and coupling applications. The T(Max.) / mm of “1.45” refers to its maximum thickness, crucial for PCB layout and space constraints. The Temp. Chara. of “C0G” (also known as NP0) is a highly stable dielectric material, characterized by a very low Cap.Change or Temp.Coef. of “0±30ppm/°C” (parts per million per degree Celsius), meaning its capacitance changes minimally with temperature fluctuations, making it ideal for precision circuits. The Component Type is clearly identified as a “Ceramic Capacitor (MLCC),” indicating its construction. Its Product Status as “Production” confirms it is an actively manufactured and readily available part. A Rated Voltage [DC] / V of “100” signifies the maximum DC voltage it can safely withstand. Finally, an Operating Temp. Range / °C of “-55 to 125” highlights its robust performance across an extremely broad temperature spectrum, typical for automotive components.

Features and Benefits

• AEC-Q200 Qualified: Ensures high reliability and performance under harsh automotive conditions, meeting industry-standard stress test qualifications.
• C0G Dielectric Stability: Offers exceptional temperature stability with a capacitance change of only 0±30ppm/°C, making it suitable for precision timing and resonant circuits where consistent performance is critical.
• High Rated Voltage: With a 100V DC rating, this capacitor provides ample voltage headroom for many automotive power supply and signal conditioning applications, enhancing system robustness.
• Compact 0805 Footprint: The 2.0mm x 1.25mm size allows for efficient use of PCB real estate, facilitating miniaturization in modern electronic modules.
• Wide Operating Temperature Range: Capable of operating from -55°C to +125°C, it is well-suited for the extreme thermal environments found in automotive systems, from engine compartments to passenger cabins.
• Tight Capacitance Tolerance: A ±5% tolerance ensures that the actual capacitance value is very close to the nominal 6.8nF, which is essential for critical filtering and frequency-determining circuits.

Typical Applications

• Automotive Infotainment Systems: Used for power supply decoupling, signal filtering, and timing in radios, navigation units, and display modules, ensuring clear audio and stable video.
• Engine Control Units (ECUs): Critical for noise suppression and stable power delivery to microcontrollers and sensors, contributing to precise engine management and emissions control.
• Advanced Driver-Assistance Systems (ADAS): Employed in radar, camera, and sensor modules for filtering power lines and ensuring signal integrity, vital for reliable object detection and collision avoidance.
• LED Lighting Systems: Utilized in automotive LED drivers for smoothing power, reducing ripple, and ensuring consistent light output in headlamps, taillamps, and interior lighting.
• Electric Power Steering (EPS) Systems: Provides decoupling and filtering for motor control circuits, contributing to the smooth and responsive operation of the steering mechanism.

The CGA4J2C0G2A682J125AA is a robust and reliable choice for designers seeking a high-performance ceramic capacitor for automotive and other demanding applications. This TDK component, with its AEC-Q200 qualification and stable C0G dielectric, ensures long-term reliability and consistent electrical characteristics. Cirkit Electro Components, Mumbai, stocks and ships this essential component across India, providing reliable access for your design and production needs.

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