CGJ3E3C0G2D391J080AA CGJ3E3C0G2D391J080AA Ceramic Capacitor (MLCC)

CGJ3E3C0G2D391J080AA is a high-reliability grade ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This passive component is designed for demanding applications where stable capacitance and robust performance are critical. As a multilayer ceramic capacitor, it offers a compact solution for filtering, coupling, and decoupling in various electronic circuits, ensuring precise signal integrity and power delivery.

Key Specifications

The CGJ3E3C0G2D391J080AA boasts several key specifications that define its performance and suitability for specific designs. Its capacitance value is 390pF, which is a relatively small capacitance ideal for high-frequency applications, resonant circuits, or timing circuits where precise, stable capacitance is required. The tolerance of ±5% indicates a high degree of precision in its capacitance value, crucial for sensitive applications where even small deviations can impact circuit performance. The physical dimensions are 1.6mm x 0.8mm [EIA 0603], making it a compact surface-mount device suitable for miniaturized electronic assemblies. The maximum thickness (T(Max.)) is 0.9mm, further contributing to its low-profile design. The temperature characteristic is C0G, which signifies an ultra-stable dielectric material. C0G capacitors exhibit a very low capacitance change over temperature, specifically 0±30ppm/°C across an operating temperature range of -55 to 125°C. This stability is paramount in precision analog circuits and timing applications. The rated voltage is 200V DC, allowing it to be used in circuits with moderately high voltage requirements without breakdown. Furthermore, its qualification to AEC-Q200 Mid ensures it meets stringent reliability standards for automotive applications, highlighting its robustness even though the product status is now obsolete.

Features and Benefits

• High Reliability Grade: Designed for critical applications where consistent performance and long-term stability are paramount, reducing the risk of component failure in demanding environments.
• AEC-Q200 Qualified: Meets the rigorous standards for automotive electronics, indicating exceptional durability and reliability under harsh conditions, making it suitable for industrial and automotive-grade designs.
• C0G Temperature Characteristic: Provides extremely stable capacitance over a wide operating temperature range (-55 to 125°C) with negligible drift (0±30ppm/°C), ensuring consistent circuit performance regardless of environmental fluctuations.
• Precision Capacitance: With a capacitance of 390pF and a tight tolerance of ±5%, this MLCC offers accurate and predictable performance, essential for frequency-sensitive and timing circuits.
• Compact 0603 Package: The small 1.6mm x 0.8mm footprint allows for high-density board designs, enabling miniaturization of electronic devices and efficient use of PCB space.

Typical Applications

The TDK CGJ3E3C0G2D391J080AA ceramic capacitor finds its utility in a diverse range of applications demanding high reliability and stable performance. In automotive electronics, despite its obsolete status, its AEC-Q200 qualification makes it suitable for various control units, sensor interfaces, and infotainment systems where temperature stability and vibration resistance are crucial. For industrial control systems, it can be employed in precision timing circuits, sensor signal conditioning, and power supply filtering, ensuring reliable operation in harsh factory environments. In medical devices, where accuracy and dependability are non-negotiable, this capacitor can be used in diagnostic equipment, monitoring systems, and implantable devices (where applicable for obsolete parts), leveraging its stable C0G characteristic for critical signal paths. Furthermore, in telecommunications infrastructure, it can serve in RF modules, base stations, and network equipment for impedance matching, filtering, and decoupling, contributing to signal integrity at high frequencies. Its high-reliability grade also makes it suitable for aerospace and defense applications in non-critical systems or for maintenance of legacy equipment, where components must withstand extreme conditions and maintain performance over extended periods.

While the product status is obsolete, its specifications highlight its original intent for high-performance applications. Cirkit Electro Components, Mumbai, stocks and ships a wide range of electronic components, including suitable alternatives for obsolete parts, across India.

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