CGA4J3X7R1C155M125AB CGA4J3X7R1C155M125AB Ceramic Capacitor (MLCC)

CGA4J3X7R1C155M125AB is a high-performance ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This specific model is designed for demanding automotive applications, offering exceptional reliability and stability. As a passive component, its primary function is to store and release electrical energy, filter noise, and stabilize voltage in electronic circuits. The CGA4J3X7R1C155M125AB is part of TDK’s extensive range of ceramic capacitors, renowned for their compact size, high capacitance values, and excellent performance across a wide temperature range, making it an indispensable component in modern automotive electronics.

Key Specifications

The attributes of the CGA4J3X7R1C155M125AB are meticulously engineered to meet stringent performance requirements:

• Applications: Automotive Grade – This designation signifies that the capacitor is specifically designed and tested to withstand the harsh environmental conditions prevalent in automotive systems, including extreme temperatures, vibrations, and electrical transients.
• Brand: TDK – TDK is a world-renowned Japanese electronics company known for its high-quality passive components, ensuring reliability and performance.
• Feature: AEC-Q200 General – This indicates compliance with the Automotive Electronics Council’s AEC-Q200 standard, a critical qualification for passive electronic components used in automotive applications, guaranteeing robust performance and reliability.
• AEC-Q200: YES – Explicit confirmation of compliance with the AEC-Q200 standard, essential for automotive design engineers.
• Tolerance: ±20% – This specifies the permissible deviation of the actual capacitance value from its nominal value. A ±20% tolerance is common for general-purpose and automotive applications where precise capacitance is less critical than reliability and cost-effectiveness.
• L x W Size: 2.0mm x 1.25mm [EIA 0805] – This describes the physical dimensions of the component. The 0805 EIA standard size is a widely adopted surface-mount package, offering a balance between compactness and ease of handling during assembly.
• Capacitance: 1.5μF – This is the nominal capacitance value, indicating the component’s ability to store electrical charge. A 1.5μF capacitance is suitable for various filtering, decoupling, and energy storage tasks in automotive circuits.
• T(Max.) / mm: 1.45 – This refers to the maximum thickness of the component, an important parameter for space-constrained designs.
• Temp. Chara.: X7R – X7R is a common dielectric material for ceramic capacitors, known for its stable performance across a wide temperature range. It offers a relatively high capacitance per unit volume and is suitable for decoupling, bypassing, and filtering applications.
• Component Type: Ceramic Capacitor (MLCC) – This identifies the fundamental type of component as a Multi-Layer Ceramic Capacitor, highlighting its construction and material.
• Product Status: Production – This confirms that the component is actively being manufactured and is available for mass production, ensuring long-term supply stability.
• Rated Voltage [DC] / V: 16 – This is the maximum DC voltage that can be continuously applied to the capacitor without degradation or failure. A 16V rating is appropriate for many low-voltage automotive control and power systems.
• Cap.Change or Temp.Coef.: ±15% – This specifies the maximum change in capacitance over the operating temperature range, a characteristic of the X7R dielectric. It indicates that the capacitance will not deviate by more than ±15% from its nominal value within the specified temperature limits.
• Operating Temp. Range / °C: -55 to 125 – This defines the ambient temperature range within which the capacitor is designed to operate reliably. The wide range from -55°C to 125°C is critical for automotive applications, which must function in extreme hot and cold environments.

Features and Benefits

• Automotive Grade Reliability: Fully compliant with AEC-Q200 standards, ensuring robust performance and longevity in demanding automotive environments, reducing the risk of field failures.
• Wide Operating Temperature Range: Capable of stable operation from -55°C to 125°C, making it suitable for under-the-hood applications and other areas exposed to significant temperature variations.
• Compact 0805 Package: The small 2.0mm x 1.25mm footprint allows for high-density circuit board designs, crucial for miniaturization in modern automotive electronics.
• Stable X7R Dielectric: Provides consistent capacitance over the specified temperature and voltage ranges, ensuring predictable circuit behavior and reliable system performance.
• High Capacitance Value: With 1.5μF capacitance, it effectively handles filtering, decoupling, and energy storage tasks, contributing to stable power delivery and reduced noise in circuits.

Typical Applications

• Automotive Infotainment Systems: Used for power supply decoupling and filtering to ensure clean power delivery to sensitive audio and visual components, preventing noise interference and ensuring stable operation of navigation, multimedia, and communication modules.
• Engine Control Units (ECUs): Essential for stabilizing voltage rails and filtering noise in critical engine management circuits, contributing to precise fuel injection, ignition timing, and overall engine performance and emissions control.
• Advanced Driver-Assistance Systems (ADAS): Employed in sensor interfaces, camera modules, and radar systems for signal conditioning and power integrity, ensuring reliable data acquisition and processing for features like adaptive cruise control, lane keeping assist, and automatic emergency braking.
• LED Lighting Systems: Utilized in automotive LED headlamps, taillamps, and interior lighting for smoothing power supply ripple and ensuring flicker-free operation, enhancing both safety and aesthetic appeal.
• Body Electronics: Integrated into modules controlling power windows, door locks, seat adjustments, and other comfort and convenience features, providing stable power and noise suppression for reliable operation of these electromechanical systems.

The CGA4J3X7R1C155M125AB is a testament to TDK’s commitment to quality and innovation in passive components. Its automotive-grade qualifications and robust specifications make it an ideal choice for critical applications. This component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your design and production needs.

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