CGA4J3X7R1C475K125AB CGA4J3X7R1C475K125AB Ceramic Capacitor (MLCC)

CGA4J3X7R1C475K125AB is a high-performance, automotive-grade multilayer ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This passive component is designed to store and release electrical energy, filter noise, and stabilize voltage in a wide array of electronic circuits. As a ceramic capacitor, it utilizes a ceramic dielectric material, offering excellent frequency characteristics, high reliability, and a compact form factor, making it indispensable in modern electronics, particularly within demanding automotive environments.

Key Specifications

The attributes of the CGA4J3X7R1C475K125AB are critical for understanding its performance and suitability for various applications:

• Apps. (Automotive Grade): This designation signifies that the capacitor is specifically engineered and tested to meet the stringent requirements of automotive electronics, ensuring high reliability and performance under harsh conditions.
• Brand (TDK): TDK is a renowned manufacturer known for its high-quality and innovative electronic components, assuring engineers of the product’s reliability and performance.
• Feature (AEC-Q200General) & AEC-Q200 (YES): AEC-Q200 is a global standard for stress test qualification for passive electronic components used in automotive applications. The ‘YES’ indicates full compliance, guaranteeing robustness and longevity in critical automotive systems.
• Tolerance (±10%): This specifies the permissible deviation of the actual capacitance value from its nominal value. A ±10% tolerance is common for general-purpose applications, offering a good balance between precision and cost-effectiveness.
• L x W Size (2.0mm x 1.25mm [EIA 0805]): This refers to the physical dimensions of the capacitor. The EIA 0805 standard size is widely adopted, providing a balance between capacitance value and board space, suitable for automated assembly processes.
• Capacitance (4.7μF): This is the primary electrical characteristic, indicating the component’s ability to store charge. A 4.7μF capacitance is substantial for decoupling, filtering, and energy storage in many power and signal lines.
• T(Max.) / mm (1.45): This indicates the maximum thickness of the component, which is important for mechanical design and clearance considerations in compact electronic assemblies.
• Temp. Chara. (X7R) & Cap.Change or Temp.Coef. (±15%): X7R is a common dielectric material for ceramic capacitors, known for its relatively stable capacitance over a wide temperature range. The ±15% capacitance change over the operating temperature range signifies its suitability for applications where temperature stability is important but not ultra-critical.
• Component Type (Ceramic Capacitor (MLCC)): Confirms its fundamental nature as a multilayer ceramic capacitor, known for its compact size, high frequency response, and reliability.
• Product Status (Production): Indicates that the component is actively being manufactured and is readily available for new designs and existing production lines.
• Rated Voltage [DC] / V (16): This is the maximum DC voltage that can be continuously applied across the capacitor without risk of breakdown. A 16V rating is suitable for many low-voltage power supply and signal processing applications.
• Operating Temp. Range / °C (-55 to 125): This wide temperature range highlights the capacitor’s robustness, allowing it to function reliably in extreme environmental conditions, typical of automotive under-the-hood or industrial applications.

Features and Benefits

• AEC-Q200 Qualified: Ensures high reliability and performance under harsh automotive conditions, providing peace of mind for critical applications.
• Wide Operating Temperature Range: Capable of stable operation from -55°C to 125°C, making it suitable for demanding environments where temperature fluctuations are common.
• Stable X7R Dielectric: Offers predictable capacitance performance with a ±15% change over its full operating temperature range, crucial for maintaining circuit integrity.
• Compact 0805 Package: The small footprint (2.0mm x 1.25mm) allows for high-density PCB designs, contributing to miniaturization and space-saving in electronic products.
• High Capacitance in Small Size: With 4.7μF in an 0805 package, it provides significant energy storage and filtering capabilities without requiring larger components.
• TDK Quality and Reliability: Manufactured by a leading global electronics component supplier, guaranteeing consistent quality and long-term performance.

Typical Applications

• Automotive Infotainment Systems: Used for power supply decoupling, signal filtering, and voltage stabilization in car radios, navigation systems, and display units, where reliability in varying temperatures is paramount.
• Engine Control Units (ECUs): Essential for noise suppression and power line filtering in critical engine management systems, ensuring stable operation of sensors and microcontrollers under extreme conditions.
• LED Lighting Modules: Provides stable current and voltage regulation in automotive LED headlamps, taillights, and interior lighting, contributing to flicker-free operation and extended lifespan.
• Industrial Control Systems: Suitable for use in robust industrial equipment, factory automation, and process control where components must withstand wide temperature swings and provide reliable performance over extended periods.
• Power Supply Decoupling: The CGA4J3X7R1C475K125AB is ideal for decoupling integrated circuits (ICs) from power supply noise, ensuring stable voltage rails and preventing signal integrity issues in various electronic devices.

The CGA4J3X7R1C475K125AB from TDK is a robust and reliable ceramic capacitor, perfectly suited for demanding automotive and industrial applications. Its AEC-Q200 qualification, wide operating temperature range, and stable X7R dielectric make it an excellent choice for engineers seeking high-performance passive components. This part is readily stocked and shipped across India by Cirkit Electro Components, Mumbai.

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