C2012C0G2A472J125AA C2012C0G2A472J125AA Ceramic Capacitor (MLCC)

C2012C0G2A472J125AA

Overview

C2012C0G2A472J125AA is a high-quality multilayer 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 a wide array of electronic circuits. As a ceramic capacitor, it utilizes a ceramic dielectric material, offering excellent high-frequency performance and stability. The C0G dielectric characteristic ensures extremely stable capacitance over temperature, making it ideal for precision applications where capacitance drift is critical. TDK’s reputation for reliability and performance makes this MLCC a preferred choice for demanding commercial-grade electronics.

Key Specifications

• Apps.: Commercial Grade – This designation indicates that the capacitor is engineered for use in general electronic equipment, consumer electronics, and industrial applications where standard reliability and performance are required, as opposed to automotive or military-grade components that have more stringent requirements.
• Brand: TDK – TDK Corporation is a renowned Japanese multinational electronics company that manufactures electronic components, recording media, and data storage devices. Their components are known for high quality and reliability in the electronics industry.
• Feature: Mid – While not explicitly detailed, this often refers to the capacitance range or voltage rating falling within a common, widely used spectrum for MLCCs, indicating a versatile component suitable for numerous designs.
• Tolerance: ±5% – This specifies the maximum permissible deviation of the actual capacitance value from its nominal value (4.7nF). A ±5% tolerance is considered precise for a ceramic capacitor, suitable for applications requiring stable timing or filtering characteristics.
• L x W Size: 2.0mm x 1.25mm [EIA 0805] – This refers to the physical dimensions of the surface-mount device (SMD) capacitor. The 0805 EIA standard package size is very common, offering a good balance between component miniaturization and ease of handling during automated assembly processes.
• Capacitance: 4.7nF – This is the nominal electrical capacitance value of the component, meaning it can store 4.7 nanofarads of electrical charge. This value is suitable for various filtering, coupling, and decoupling applications in digital and analog circuits.
• T(Max.) / mm: 1.45 – This indicates the maximum thickness of the component, which is 1.45 millimeters. This dimension is crucial for PCB layout and ensuring the component fits within specific height constraints in compact electronic devices.
• Temp. Chara.: C0G – The C0G dielectric is a Class I ceramic material known for its excellent temperature stability. It exhibits a very low capacitance change over a wide temperature range, making it ideal for resonant circuits, timing circuits, and other applications where stable capacitance is paramount.
• Component Type: Ceramic Capacitor (MLCC) – This confirms it is a Multilayer Ceramic Capacitor, characterized by multiple layers of ceramic dielectric and metal electrodes, allowing for high capacitance values in a small form factor.
• Product Status: Production – This indicates that the component is actively being manufactured and is readily available for new designs and mass production, ensuring long-term supply.
• Rated Voltage [DC] / V: 100 – This is the maximum DC voltage that can be continuously applied across the capacitor without risking dielectric breakdown or degradation. A 100V rating provides a good margin for many common circuit voltages.
• Cap.Change or Temp.Coef.: 0±30ppm/°C – This is the temperature coefficient of capacitance, a critical parameter for C0G dielectrics. It means the capacitance will change by no more than ±30 parts per million per degree Celsius, highlighting its exceptional stability over temperature.
• Operating Temp. Range / °C: -55 to 125 – This specifies the ambient temperature range within which the capacitor is designed to operate reliably and meet its electrical specifications. This wide range makes it suitable for robust commercial and industrial environments.

Features and Benefits

• Exceptional Temperature Stability: The C0G dielectric ensures a capacitance change of only 0±30ppm/°C, making the C2012C0G2A472J125AA ideal for precision applications where stable performance across varying temperatures is critical, such as in timing and resonant circuits.
• High Reliability and Long Lifespan: Manufactured by TDK, a leader in electronic components, this MLCC benefits from stringent quality control and advanced manufacturing processes, ensuring high reliability and a long operational lifespan in commercial-grade applications.
• Compact 0805 Package: The standard 2.0mm x 1.25mm (EIA 0805) surface-mount package allows for efficient PCB space utilization, facilitating miniaturization in modern electronic designs while remaining manageable for automated assembly.
• Versatile Commercial Grade Component: With a 100V rated voltage and 4.7nF capacitance with ±5% tolerance, this capacitor is suitable for a broad spectrum of commercial applications, including decoupling, filtering, and general-purpose energy storage.
• Wide Operating Temperature Range: Capable of operating from -55°C to 125°C, this MLCC is robust enough for use in challenging environmental conditions, ensuring consistent performance in diverse applications.

Typical Applications

• Decoupling and Bypass Filtering: In digital and analog circuits, the C2012C0G2A472J125AA is frequently used to decouple power supply lines, providing a low impedance path for high-frequency noise to ground and stabilizing voltage rails for ICs, ensuring reliable operation.
• Timing and Resonant Circuits: Due to its C0G dielectric and excellent temperature stability, this capacitor is highly suitable for precision timing circuits, oscillators, and resonant filters where the capacitance value must remain constant regardless of temperature fluctuations, critical for accurate frequency generation.
• Signal Coupling and DC Blocking: It can be employed to couple AC signals between different stages of an amplifier or filter while blocking unwanted DC voltage, preventing interference and ensuring proper signal transmission without DC offset issues.
• General-Purpose Filtering: The 4.7nF capacitance and 100V rating make it versatile for various general-purpose filtering applications, such as smoothing rectified AC signals, filtering out ripple in power supplies, or suppressing electromagnetic interference (EMI) in sensitive circuits.
• Sensor Interface Circuits: In applications involving sensors, where small signal integrity is paramount, this MLCC can be used for noise reduction, signal conditioning, and ensuring stable reference voltages, contributing to accurate sensor readings.

Summary

The C2012C0G2A472J125AA from TDK is a high-performance, commercial-grade multilayer ceramic capacitor offering exceptional stability, reliability, and versatility. Its C0G dielectric, 4.7nF capacitance, and 100V rating in a compact 0805 package make it an ideal choice for a wide array of electronic designs requiring precision and robustness. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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