CGA4J1X8R1E105K125AC CGA4J1X8R1E105K125AC Ceramic Capacitor (MLCC)

CGA4J1X8R1E105K125AC

Overview

CGA4J1X8R1E105K125AC is a high-performance, automotive-grade 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 demanding electronic circuits. As a multi-layer ceramic capacitor, it offers excellent reliability and performance in a compact form factor, making it ideal for applications where space is at a premium and environmental robustness is critical.

Key Specifications

This TDK CGA4J1X8R1E105K125AC capacitor boasts several critical specifications that define its performance and suitability for various applications:

• Applications: Automotive Grade – This designation signifies that the capacitor is specifically designed and tested to meet the rigorous demands of automotive electronics, ensuring reliability and longevity in harsh vehicle environments.
• Brand: TDK – TDK is a renowned manufacturer known for its high-quality and innovative electronic components, providing assurance of product excellence and reliability.
• Feature: AEC-Q200 150°C – The AEC-Q200 qualification indicates that the component meets the Automotive Electronics Council’s stringent reliability standards for passive components. The 150°C rating highlights its capability to operate reliably at elevated temperatures, which is crucial for under-the-hood automotive applications.
• AEC-Q200: YES – Explicitly confirms compliance with the AEC-Q200 standard, a vital requirement for components used in 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 and automotive applications, providing 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 surface-mount component. The 0805 EIA standard size is widely adopted, offering a balance between component size and ease of handling during assembly.
• Capacitance: 1μF – The nominal capacitance value of one microfarad, indicating its capacity to store electrical charge. This value is suitable for a broad range of filtering, coupling, and decoupling applications.
• T(Max.) / mm: 1.45 – This denotes the maximum thickness of the component, which is important for board layout and ensuring proper clearance in compact designs.
• Temp. Chara.: X8R – The X8R temperature characteristic defines the capacitance change over a specified temperature range. For X8R, the capacitance change is within ±15% from -55°C to +150°C, making it highly stable across a wide operating temperature spectrum, particularly beneficial for automotive and industrial uses.
• Component Type: Ceramic Capacitor (MLCC) – Confirms its classification as a multi-layer ceramic capacitor, known for its high volumetric efficiency, low ESR, and excellent high-frequency performance.
• Product Status: Production – Indicates that the component is actively being manufactured and is readily available for new designs and ongoing production.
• Rated Voltage [DC] / V: 25 – The maximum DC voltage that can be continuously applied to the capacitor without risk of breakdown. A 25V rating provides sufficient headroom for many automotive and general electronic circuits.
• Cap.Change or Temp.Coef.: ±15% – This reiterates the capacitance variation over the operating temperature range, consistent with the X8R dielectric characteristic, ensuring predictable performance under varying thermal conditions.
• Operating Temp. Range / °C: -55 to 150 – This wide operating temperature range highlights the capacitor’s robustness and suitability for extreme environments, from very cold conditions to very hot operational scenarios, typical in automotive applications.

Features and Benefits

• Exceptional Temperature Stability: With an X8R temperature characteristic and an operating range of -55°C to 150°C, this capacitor maintains stable capacitance values even under extreme thermal fluctuations, crucial for reliable performance in automotive systems.
• AEC-Q200 Qualified: Fully compliant with automotive industry standards, ensuring high reliability, durability, and consistent performance in safety-critical and demanding vehicle electronics.
• Compact 0805 Package: The 2.0mm x 1.25mm footprint allows for efficient use of PCB space, facilitating miniaturization of electronic modules without compromising performance.
• High Reliability from TDK: Manufactured by TDK, a trusted name in electronic components, guaranteeing superior quality, long operational life, and consistent electrical characteristics.
• Versatile 1μF Capacitance: The 1μF capacitance value, combined with a ±10% tolerance, makes it suitable for a wide array of applications including power supply decoupling, signal filtering, and timing circuits.

Typical Applications

The TDK CGA4J1X8R1E105K125AC ceramic capacitor is engineered for high-reliability applications, particularly within the automotive sector, but its robust features make it suitable for other demanding environments as well:

• Automotive Engine Control Units (ECUs): Essential for filtering noise and stabilizing power lines in ECUs, which operate in high-temperature environments and require components with exceptional reliability and temperature stability.
• Automotive Infotainment Systems: Used for decoupling power supplies and filtering signals in car radios, navigation systems, and display units, where stable operation across varying cabin temperatures is critical.
• LED Lighting Systems (Automotive & Industrial): Provides stable power and ripple current filtering in high-brightness LED drivers, ensuring consistent light output and extending the lifespan of LED modules, especially in vehicle headlights and industrial lighting fixtures.
• Industrial Control Systems: Its wide operating temperature range and AEC-Q200 qualification make it ideal for use in industrial automation, process control, and monitoring equipment exposed to harsh factory environments.
• Power Supply Decoupling: Widely employed in various electronic circuits to decouple power rails, reducing noise and ensuring stable voltage supply to integrated circuits, thereby improving overall system performance and reliability.

Summary

The CGA4J1X8R1E105K125AC from TDK is a robust and reliable automotive-grade ceramic capacitor, offering excellent performance across a wide temperature range. Its AEC-Q200 qualification and precise specifications make it an ideal choice for demanding electronic designs. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring timely availability for your projects.

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