CGJ3E2X7R2A682K080AA CGJ3E2X7R2A682K080AA Ceramic Capacitor (MLCC)

CGJ3E2X7R2A682K080AA

Overview

The CGJ3E2X7R2A682K080AA is a high-reliability 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 various electronic circuits. Ceramic capacitors are renowned for their compact size, high frequency response, and excellent temperature characteristics, making them indispensable in modern electronics. The TDK CGJ3E2X7R2A682K080AA, despite its ‘Obsolete’ product status, remains a critical component for specific legacy designs or repair applications requiring its precise specifications and AEC-Q200 qualification.

Key Specifications

• Applications: High Reliability Grade – This attribute signifies that the capacitor is designed and tested to perform consistently and reliably under demanding conditions, making it suitable for critical applications where failure is not an option.
• Brand: TDK – TDK is a world-renowned Japanese electronics company known for its high-quality passive components, magnetic products, and other electronic devices. Their brand signifies a commitment to precision engineering and reliability.
• Feature: AEC-Q200 Mid – This indicates that the capacitor meets the Automotive Electronics Council’s AEC-Q200 standard, specifically for mid-level reliability requirements. This qualification is crucial for components used in automotive applications, ensuring they can withstand harsh environmental conditions.
• AEC-Q200: YES – Explicitly confirms compliance with the AEC-Q200 standard, which specifies stress test qualification for passive components used in automotive electronic applications. This is a testament to its robustness and suitability for demanding environments.
• Tolerance: ±10% – This value specifies the maximum permissible deviation of the actual capacitance from its nominal value (6.8nF). A ±10% tolerance is common for general-purpose applications, indicating a reasonable level of precision for circuit design.
• L x W Size: 1.6mm x 0.8mm [EIA 0603] – This refers to the physical dimensions of the surface-mount device (SMD) package. The EIA 0603 designation is a standard size code, meaning the component is 0.06 inches long and 0.03 inches wide, making it a compact choice for space-constrained designs.
• Capacitance: 6.8nF – This is the nominal electrical capacitance of the component, meaning it can store 6.8 nanofarads of electrical charge. This value is fundamental for determining its role in filtering, coupling, or timing circuits.
• T(Max.) / mm: 0.9 – This indicates the maximum thickness of the component, which is 0.9 millimeters. This dimension is important for mechanical design and ensuring the component fits within specific height constraints on a PCB.
• Temp. Chara.: X7R – X7R is a common temperature characteristic for ceramic capacitors, indicating a dielectric material that provides relatively stable capacitance over a wide temperature range. It specifies a capacitance change of ±15% over the operating temperature range.
• Component Type: Ceramic Capacitor (MLCC) – This identifies the fundamental type of component as a Multi-Layer Ceramic Capacitor, known for its small size, low equivalent series resistance (ESR), and good high-frequency performance.
• Product Status: Obsolete – This status indicates that the manufacturer no longer produces this specific part. While new production has ceased, the component may still be available through distributors for existing designs or maintenance.
• Rated Voltage [DC] / V: 100 – This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage or degradation. Operating below this voltage ensures the longevity and reliability of the component.
• Cap.Change or Temp.Coef.: ±15% – This specifies the maximum percentage change in capacitance over the full operating temperature range. For X7R dielectric, this means the capacitance will not vary by more than ±15% from its nominal value between -55°C and 125°C.
• Operating Temp. Range / °C: -55 to 125 – This defines the safe temperature limits within which the capacitor is designed to operate without significant degradation in performance or reliability. This wide range highlights its suitability for industrial and automotive environments.

Features and Benefits

• AEC-Q200 Qualified: Ensures high reliability and robust performance in demanding automotive and industrial environments, making it suitable for critical applications where component integrity is paramount.
• Wide Operating Temperature Range: With an operating range from -55°C to 125°C, the CGJ3E2X7R2A682K080AA can function effectively in extreme thermal conditions, enhancing design flexibility and product durability.
• Stable X7R Dielectric: The X7R temperature characteristic provides a capacitance change of only ±15% across the full operating temperature range, ensuring consistent circuit performance under varying thermal loads.
• Compact EIA 0603 Package: The small 1.6mm x 0.8mm footprint allows for high-density PCB layouts, enabling miniaturization of electronic devices and efficient use of board space.
• High Rated Voltage: A 100V DC rated voltage provides ample headroom for many common power and signal conditioning applications, contributing to overall system stability and reliability.

Typical Applications

• Automotive Electronics: Due to its AEC-Q200 qualification, this capacitor is ideal for use in various automotive systems, including engine control units (ECUs), infotainment systems, advanced driver-assistance systems (ADAS), and body electronics, where reliability under harsh conditions is critical.
• Industrial Control Systems: Its high reliability grade and wide operating temperature range make it suitable for industrial automation equipment, sensors, and control modules that operate in challenging factory environments, ensuring stable and consistent performance.
• Power Supply Decoupling: The 6.8nF capacitance and 100V rating make it an excellent choice for decoupling power lines in various electronic circuits, helping to filter out noise and stabilize voltage rails for sensitive ICs and microcontrollers.
• Signal Filtering and Coupling: In analog and digital circuits, the CGJ3E2X7R2A682K080AA can be used for AC coupling, DC blocking, and filtering high-frequency noise, contributing to signal integrity and overall circuit performance.
• Telecommunications Equipment: Its stable performance across temperature and compact size are beneficial for telecommunications infrastructure, including base stations, network routers, and communication modules, where space is often at a premium and reliability is essential.

Summary

The CGJ3E2X7R2A682K080AA TDK Ceramic Capacitor (MLCC) is a high-reliability component designed for demanding applications. Despite its obsolete status, its robust specifications, including AEC-Q200 qualification, X7R dielectric, and wide operating temperature range, make it a valuable asset for specific design and repair needs. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring availability for your projects.

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