CGA4J3X7R1V474K125AB CGA4J3X7R1V474K125AB Ceramic Capacitor (MLCC)

CGA4J3X7R1V474K125AB is a high-performance multilayer ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This specific component is designed for demanding automotive applications, offering exceptional reliability and stability under harsh conditions. As a passive component, its primary function is to store and release electrical energy, filter noise, and stabilize voltage in various electronic circuits. Its robust construction and adherence to stringent automotive standards make it an indispensable component for critical systems where performance and longevity are paramount.

Key Specifications

This TDK MLCC boasts several critical specifications that define its performance and suitability for specific applications:

Applications: Automotive Grade – This designation signifies that the capacitor is specifically designed and tested to meet the rigorous demands of automotive electronics. This includes resistance to vibration, extreme temperatures, and electrical transients commonly encountered in vehicles.

Brand: TDK – TDK is a renowned Japanese multinational electronics company known for its high-quality passive components, magnetic products, and other electronic devices. Their brand signifies reliability and innovation in the electronics industry.

Feature: AEC-Q200 General – AEC-Q200 is a global standard for stress test qualification for passive electronic components used in automotive applications. “General” indicates it meets the broad requirements of this standard, ensuring its suitability for a wide range of automotive uses.

AEC-Q200: YES – Explicitly confirming compliance with the AEC-Q200 standard, this attribute guarantees the component’s robustness and reliability in automotive environments.

Tolerance: ±10% – This indicates the permissible deviation of the actual capacitance value from its nominal value. A ±10% tolerance is common for general-purpose and many automotive applications, offering a good balance between precision and cost.

L x W Size: 2.0mm x 1.25mm [EIA 0805] – This specifies the physical dimensions of the capacitor. The EIA 0805 designation is a standard package size, making it compatible with automated surface-mount assembly processes and common PCB footprints. This compact size is crucial for miniaturization in modern electronic designs.

Capacitance: 470nF – This is the nominal capacitance value, meaning the capacitor can store 470 nanofarads of electrical charge. This value is suitable for a variety of filtering, coupling, and decoupling applications.

T(Max.) / mm: 1.45 – This refers to the maximum thickness of the component, which is important for mechanical design and clearance considerations on a printed circuit board.

Temperature Characteristic: X7R – X7R is a common dielectric material for ceramic capacitors, known for its stable performance across a wide temperature range. It offers a capacitance change of ±15% over the operating temperature range of -55°C to +125°C, making it suitable for industrial and automotive applications where temperature stability is critical.

Component Type: Ceramic Capacitor (MLCC) – This identifies the fundamental type of component. MLCCs are favored for their small size, high capacitance values, excellent high-frequency characteristics, and reliability.

Product Status: Production – This indicates that the component is actively being manufactured and is readily available for purchase and integration into new designs.

Rated Voltage [DC] / V: 35 – This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage or premature failure. A 35V rating provides ample headroom for many 12V and 24V automotive systems.

Cap. Change or Temp. Coef.: ±15% – This reiterates the capacitance change over the specified operating temperature range, characteristic of the X7R dielectric, ensuring predictable performance under varying thermal conditions.

Operating Temp. Range / °C: -55 to 125 – This defines the full temperature range over which the capacitor is designed to operate reliably and meet its specified electrical characteristics. This broad range is essential for automotive applications that experience extreme hot and cold environments.

Features and Benefits

• Automotive Grade Reliability: Fully compliant with AEC-Q200 standards, ensuring exceptional robustness and long-term stability in harsh automotive environments, including resistance to vibration, shock, and wide temperature fluctuations.
• Stable Performance with X7R Dielectric: The X7R temperature characteristic provides a capacitance change of only ±15% across a broad operating temperature range of -55°C to +125°C, making it ideal for applications requiring consistent performance under varying thermal conditions.
• Compact 0805 Package Size: The small 2.0mm x 1.25mm (EIA 0805) footprint allows for high-density mounting on PCBs, contributing to the miniaturization of electronic modules and systems in modern vehicle designs.
• High Capacitance and Voltage Rating: With a capacitance of 470nF and a rated voltage of 35V, this MLCC is well-suited for various filtering, decoupling, and energy storage tasks in automotive power supply lines and signal processing circuits.
• Manufactured by TDK: Leveraging TDK’s reputation for quality and innovation, users can rely on the superior manufacturing processes and stringent quality control, leading to a highly dependable component.

Typical Applications

The CGA4J3X7R1V474K125AB capacitor is highly versatile due to its automotive-grade qualification and robust specifications, finding use in numerous critical applications:

• Automotive Infotainment Systems: Used for power supply decoupling, signal filtering, and noise suppression in car radios, navigation systems, and display units, ensuring clear audio and stable operation.
• Engine Control Units (ECUs): Essential for stabilizing power lines, filtering sensor signals, and timing circuits within ECUs, contributing to reliable engine performance and emissions control.
• Advanced Driver-Assistance Systems (ADAS): Integrated into radar, camera, and lidar modules for power conditioning, sensor data filtering, and ensuring the integrity of critical safety-related signals.
• LED Lighting Systems: Utilized in automotive LED headlamps, taillights, and interior lighting for smoothing power, reducing flicker, and extending the lifespan of LED drivers.
• Body Electronics: Employed in modules controlling power windows, central locking, climate control, and other comfort features, providing stable power and signal integrity for reliable operation.

In summary, the CGA4J3X7R1V474K125AB is a premium automotive-grade ceramic capacitor from TDK, offering a robust solution for demanding electronic applications. Its AEC-Q200 compliance, stable X7R dielectric, and compact 0805 package make it an excellent choice for critical automotive and industrial designs. This part is stocked and shipped across India by Cirkit Electro Components, Mumbai.

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