CGJ3E3C0G2D121J080AA CGJ3E3C0G2D121J080AA Ceramic Capacitor (MLCC)

CGJ3E3C0G2D121J080AA

CGJ3E3C0G2D121J080AA TDK Ceramic Capacitor (MLCC) Overview

The CGJ3E3C0G2D121J080AA is a high-reliability grade ceramic capacitor, specifically a Multi-Layer Ceramic Capacitor (MLCC), manufactured by TDK, a global leader in electronic components. This passive component is fundamental in a vast array of electronic circuits, primarily functioning to store and release electrical energy, filter noise, and stabilize voltage. Its C0G dielectric characteristic ensures exceptional temperature stability, making it suitable for precision applications where capacitance drift with temperature is critical. Although the product status is listed as ‘Obsolete’, it remains a critical component for maintenance, repair, and legacy system support, offering robust performance for specific design requirements.

Key Specifications

• Applications: High Reliability Grade
  This designation indicates that the capacitor is designed and tested to meet stringent performance and longevity standards, making it suitable for critical applications where failure is not an option, such as in automotive, industrial, or medical electronics.
• Brand: TDK
  TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, including a wide range of passive components like capacitors, inductors, and ferrites. Their brand signifies reliability and technological advancement in the electronics industry.
• Feature: AEC-Q200Mid & AEC-Q200: YES
  AEC-Q200 is a global standard for stress test qualification for passive components used in automotive applications. The ‘YES’ indicates full compliance, meaning this capacitor is qualified for use in the demanding automotive environment, ensuring robustness against temperature extremes, vibration, and humidity. ‘AEC-Q200Mid’ likely refers to a specific qualification level or revision within this standard.
• Tolerance: ±5%
  This specifies the maximum permissible deviation of the actual capacitance value from its nominal value. A ±5% tolerance is considered a tight tolerance for ceramic capacitors, indicating suitability for applications requiring precise timing or filtering, where exact capacitance values are crucial.
• L x W Size: 1.6mm x 0.8mm [EIA 0603]
  This refers to the physical dimensions of the surface-mount component. The 0603 EIA (Electronic Industries Alliance) package size is a common and compact footprint, enabling miniaturization in electronic designs and efficient use of PCB space.
• Capacitance: 120pF
  The nominal capacitance value of the component is 120 picofarads. This value dictates the amount of charge the capacitor can store and is a primary parameter for circuit design, influencing filtering frequencies, timing constants, and energy storage capabilities.
• 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, ensuring proper fit within enclosures and clearance on printed circuit boards, especially in height-constrained applications.
• Temp. Chara.: C0G
  C0G is a specific dielectric material class known for its excellent temperature stability. Capacitors with C0G dielectric exhibit negligible change in capacitance over a wide operating temperature range, making them ideal for precision circuits where stable performance is paramount.
• Component Type: Ceramic Capacitor (MLCC)
  This confirms the fundamental type of the component. MLCCs are widely used due to their small size, high capacitance values, and excellent high-frequency performance, making them versatile for various electronic applications.
• Product Status: Obsolete
  While the product is listed as obsolete, it signifies that the manufacturer may no longer be producing it for new designs. However, it can still be available through distributors for existing designs, repairs, or specific legacy system requirements.
• Rated Voltage [DC] / V: 200
  This is the maximum DC voltage that can be continuously applied to the capacitor without risk of damage or breakdown. A 200V rating provides a good margin for many general-purpose and medium-voltage applications.
• Cap.Change or Temp.Coef.: 0±30ppm/°C
  This specification, directly related to the C0G dielectric, indicates an extremely low capacitance change over temperature. It means the capacitance will vary by no more than ±30 parts per million per degree Celsius, highlighting its precision and stability.
• Operating Temp. Range / °C: -55 to 125
  This defines the ambient temperature range within which the capacitor is designed to operate reliably. A wide range from -55°C to 125°C underscores its robustness for harsh environments, including automotive under-the-hood applications.

Features and Benefits

• Exceptional Temperature Stability (C0G Dielectric): The C0G temperature characteristic ensures that the 120pF capacitance remains highly stable across a wide operating temperature range (-55°C to 125°C), with a minimal capacitance change of 0±30ppm/°C. This is crucial for precision timing circuits, oscillators, and filters where stable performance is paramount, even in fluctuating thermal conditions.
• Automotive Grade Qualification (AEC-Q200): Being AEC-Q200 qualified, the CGJ3E3C0G2D121J080AA is rigorously tested and proven to withstand the harsh environmental conditions encountered in automotive electronics. This includes resistance to extreme temperatures, humidity, and mechanical stress, ensuring reliability in critical vehicle systems.
• High Reliability Grade for Demanding Applications: Designated as a ‘High Reliability Grade’ component, this TDK MLCC is manufactured to stringent quality standards, making it suitable for mission-critical applications where long-term stability and dependable operation are essential, reducing the risk of field failures.
• Compact 0603 EIA Package with 200V Rating: The small 1.6mm x 0.8mm (0603 EIA) footprint allows for high-density PCB designs and miniaturization of electronic products. Despite its small size, it boasts a robust 200V DC rated voltage, offering versatility for various power and signal integrity applications without compromising on space.
• Precise Capacitance Tolerance (±5%): With a tight tolerance of ±5%, this capacitor provides accurate capacitance values, which is vital for applications requiring precise frequency tuning, signal coupling, or filtering, contributing to the overall performance and accuracy of the electronic circuit.

Typical Applications

• Automotive Electronics: Due to its AEC-Q200 qualification and high-reliability grade, the CGJ3E3C0G2D121J080AA is ideally suited for various automotive applications. This includes engine control units (ECUs), infotainment systems, advanced driver-assistance systems (ADAS), and body electronics, where stable performance under extreme temperatures and vibrations is critical for safety and functionality.
• Industrial Control Systems: In industrial environments, equipment often operates under harsh conditions. This capacitor can be used in programmable logic controllers (PLCs), sensor interfaces, motor drives, and power supplies, providing stable filtering, timing, and coupling functions, ensuring reliable operation of machinery and automation processes.
• Medical Devices: Precision and reliability are paramount in medical electronics. This TDK MLCC can be integrated into patient monitoring systems, diagnostic equipment, and portable medical devices, where its stable capacitance and high-reliability characteristics contribute to accurate measurements and consistent performance, vital for patient care.
• Telecommunications Infrastructure: For base stations, network equipment, and other telecommunications infrastructure, stable and reliable components are essential for maintaining signal integrity and uptime. The CGJ3E3C0G2D121J080AA can be used in RF modules, power management circuits, and data communication interfaces to filter noise and stabilize power rails.
• Precision Instrumentation: Scientific and test and measurement instruments require components with high accuracy and stability. This capacitor’s C0G dielectric and tight tolerance make it suitable for use in precision oscillators, analog-to-digital converters (ADCs), and sensor conditioning circuits, where even minor capacitance variations can affect measurement accuracy.

The CGJ3E3C0G2D121J080AA TDK Ceramic Capacitor (MLCC) offers a blend of high reliability, temperature stability, and compact design, making it a versatile choice for demanding electronic applications. Although marked as obsolete, its robust specifications ensure continued utility for specific design and maintenance needs. Cirkit Electro Components, Mumbai, proudly stocks and ships this and a wide range of other electronic components across India, supporting your critical projects.

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