CGA4J3X7R1E105K125AB CGA4J3X7R1E105K125AB Ceramic Capacitor (MLCC)

CGA4J3X7R1E105K125AB

Overview

CGA4J3X7R1E105K125AB is a high-performance Multilayer 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 under harsh operating conditions. As a passive component, its primary function is to store and release electrical energy, filter noise, and stabilize voltage in electronic circuits. TDK’s commitment to quality ensures that this ceramic capacitor meets stringent industry standards, making it an ideal choice for critical automotive systems.

Key Specifications

• Applications: Automotive Grade
  This designation signifies that the capacitor is specifically engineered and tested to meet the rigorous demands of automotive electronics, including resistance to vibration, extreme temperatures, and electrical transients. It ensures reliable operation in safety-critical and performance-oriented vehicle systems.
• Brand: TDK
  TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, including capacitors, inductors, and magnetic products. Their brand signifies innovation, reliability, and adherence to global manufacturing standards.
• Feature: AEC-Q200 General
  AEC-Q200 is a global standard for stress qualification of passive components used in automotive applications. The ‘General’ feature indicates that this capacitor meets the general requirements of this standard, ensuring its suitability for a wide range of automotive electronic modules.
• AEC-Q200: YES
  Explicitly confirms that the component is qualified to the AEC-Q200 standard, providing assurance of its robustness and reliability in automotive environments.
• Tolerance: ±10%
  This indicates the permissible deviation of the actual capacitance value from its nominal value (1μF). 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 specifies the physical dimensions of the surface-mount component. The 0805 EIA (Electronic Industries Alliance) standard package size is widely used, offering a balance between miniaturization and ease of handling during assembly.
• Capacitance: 1μF
  The nominal capacitance value of the component, indicating its ability to store electrical charge. A 1μF capacitance is suitable for various filtering, decoupling, and timing applications in automotive circuits.
• T(Max.) / mm: 1.45
  This refers to the maximum thickness of the component, which is important for space-constrained designs and automated assembly processes.
• Temperature Characteristics: X7R
  X7R is a common dielectric material for ceramic capacitors, known for its stable capacitance over a wide temperature range. It offers a capacitance change of ±15% from -55°C to +125°C, making it suitable for automotive and industrial applications where temperature stability is crucial.
• Component Type: Ceramic Capacitor (MLCC)
  Identifies the fundamental type of component. MLCCs are highly versatile, compact, and offer excellent high-frequency performance, making them ubiquitous in modern electronics.
• Product Status: Production
  Indicates that the component is actively being manufactured and is readily available for purchase, ensuring long-term supply for design and production cycles.
• Rated Voltage [DC] / V: 25
  The maximum DC voltage that can be continuously applied across the capacitor without causing damage or degradation. A 25V rating is appropriate for many low-voltage automotive control and power supply circuits.
• Capacitance Change or Temp. Coef.: ±15%
  This value, associated with the X7R dielectric, quantifies the maximum percentage change in capacitance over the specified operating temperature range. It highlights the stability of the capacitor’s performance under varying thermal conditions.
• Operating Temp. Range / °C: -55 to 125
  The range of ambient temperatures within which the capacitor is designed to operate reliably and meet its specified performance characteristics. This wide range is critical for automotive applications, which often experience extreme temperature fluctuations.

Features and Benefits

• AEC-Q200 Qualified: Ensures high reliability and performance in demanding automotive environments, meeting industry-standard stress test qualifications.
• Wide Operating Temperature Range: With an operating range from -55°C to 125°C, the CGA4J3X7R1E105K125AB is suitable for applications in harsh thermal conditions, common in engine compartments and other automotive systems.
• Stable X7R Dielectric: Provides excellent capacitance stability over temperature and voltage variations, crucial for maintaining circuit performance in critical applications.
• 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 modules.
• High Capacitance (1μF) with 25V Rating: Offers effective filtering and decoupling capabilities for various automotive power and signal integrity applications, supporting stable operation of ICs and other components.

Typical Applications

• Automotive Infotainment Systems: Used for power supply decoupling and signal filtering in car radios, navigation systems, and multimedia units, ensuring clear audio and stable data processing.
• Engine Control Units (ECUs): Essential for stabilizing power rails and filtering noise in critical engine management circuits, contributing to reliable engine performance and emissions control.
• Advanced Driver-Assistance Systems (ADAS): Integrated into radar, camera, and sensor modules for voltage regulation and noise suppression, crucial for the accurate operation of safety features like adaptive cruise control and lane-keeping assist.
• LED Lighting Modules: Employed in automotive LED headlamps, taillights, and interior lighting to smooth out power delivery and prevent flickering, enhancing both aesthetics and functionality.
• Body Electronics: Utilized in comfort and convenience systems such as power windows, central locking, and climate control units for general circuit decoupling and transient suppression, ensuring consistent operation.

Summary

The CGA4J3X7R1E105K125AB TDK Ceramic Capacitor is a robust, automotive-grade MLCC designed for high-reliability applications. Its AEC-Q200 qualification, stable X7R dielectric, and wide operating temperature range make it an excellent choice for demanding electronic systems in vehicles. This component, along with a wide range of other electronic parts, is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt delivery for your project needs.

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