C2012X7R1H224K125AA C2012X7R1H224K125AA Ceramic Capacitor (MLCC)

C2012X7R1H224K125AA

Overview

The C2012X7R1H224K125AA is a high-quality ceramic capacitor, specifically a Multi-Layer 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 offers excellent frequency characteristics, low equivalent series resistance (ESR), and high reliability, making it a cornerstone in modern electronics. Its compact surface-mount design, conforming to the EIA 0805 standard, allows for efficient integration into densely packed PCBs, crucial for miniaturization trends in various industries.

Key Specifications

• Apps. (Commercial Grade): This attribute signifies that the C2012X7R1H224K125AA capacitor is engineered and tested to meet the rigorous demands of commercial electronic applications. This includes a broad spectrum of products where reliability and performance are critical but do not necessarily require the extreme specifications of automotive or military-grade components.
• Brand (TDK): TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components and materials. Specifying TDK assures buyers of a product manufactured to stringent quality standards, backed by extensive research and development.
• Feature (General): The ‘General’ feature indicates that this MLCC is suitable for a wide range of common circuit functions, including decoupling, bypassing, filtering, and timing. It is not specialized for a niche application but rather offers robust performance for everyday electronic design needs.
• Tolerance (±10%): This denotes the permissible deviation of the actual capacitance value from its nominal value. A ±10% tolerance is standard for many general-purpose applications, ensuring that the component performs within acceptable parameters for most circuit designs.
• L x W Size (2.0mm x 1.25mm [EIA 0805]): This specifies the physical dimensions of the capacitor, corresponding to the industry-standard EIA 0805 package size. This compact footprint is ideal for surface-mount technology (SMT) assembly, enabling high-density circuit board designs and automated manufacturing processes.
• Capacitance (220nF): The capacitance value of 220 nanofarads (nF) indicates the component’s ability to store electrical charge. This specific value is commonly used for various filtering, coupling, and decoupling applications in digital and analog circuits.
• T(Max.) / mm (1.45): This refers to the maximum thickness of the component, which is 1.45 millimeters. This dimension is crucial for mechanical design and ensuring proper clearance and fit within an enclosure or alongside other components on a PCB.
• Temp. Chara. (X7R): X7R is a common dielectric material classification for ceramic capacitors, known for its relatively stable capacitance over a wide temperature range. It signifies that the capacitance change is within ±15% from -55°C to +125°C, making it suitable for applications requiring moderate temperature stability.
• Component Type (Ceramic Capacitor (MLCC)): This explicitly identifies the component as a Multi-Layer Ceramic Capacitor, highlighting its construction from multiple layers of ceramic dielectric and metal electrodes, which contributes to its high capacitance in a small volume.
• Product Status (Production): ‘Production’ status indicates that the component is actively being manufactured and is readily available for purchase, ensuring long-term supply and support for new and existing designs.
• Rated Voltage [DC] / V (50): This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage or degradation. A 50V rating makes this capacitor suitable for a wide range of low to medium voltage applications.
• Cap.Change or Temp.Coef. (±15%): This reiterates the capacitance change over the operating temperature range, specifically for the X7R dielectric. It means the capacitance will not vary by more than ±15% from its nominal value across the full operating temperature range.
• 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. A broad range from -55°C to +125°C makes it suitable for demanding environments.

Features and Benefits

• Wide Operating Temperature Range: With an operating temperature range from -55°C to +125°C, the C2012X7R1H224K125AA offers exceptional reliability in diverse environmental conditions, from extreme cold to high heat, making it versatile for various industrial and consumer applications.
• Stable Capacitance with X7R Dielectric: The X7R temperature characteristic ensures that the capacitance value remains relatively stable (within ±15%) across the entire operating temperature range, which is critical for maintaining circuit performance and accuracy in fluctuating thermal environments.
• Compact EIA 0805 Package: The small 2.0mm x 1.25mm footprint of the EIA 0805 package allows for high-density mounting on printed circuit boards, contributing to the miniaturization of electronic devices and efficient use of PCB real estate.
• High Reliability from TDK: Manufactured by TDK, a leader in electronic components, this MLCC benefits from stringent quality control and advanced manufacturing processes, ensuring high reliability, long operational life, and consistent performance.
• Versatile Commercial Grade Component: Designed as a commercial-grade component, it provides a cost-effective yet robust solution for a broad spectrum of applications, balancing performance requirements with economic considerations.

Typical Applications

• Power Supply Decoupling: In digital circuits, the C2012X7R1H224K125AA is frequently used for decoupling integrated circuits (ICs) from the power supply. It provides a local reservoir of charge, smoothing out voltage fluctuations caused by rapid current demands of switching logic gates, thereby preventing noise propagation and ensuring stable operation.
• Signal Filtering: This capacitor can be integrated into passive filter networks (RC filters) to remove unwanted high-frequency noise from signal lines or to shape frequency responses in audio and communication circuits. Its low ESR and good frequency characteristics make it effective for these tasks.
• Timing Circuits: In conjunction with resistors, the C2012X7R1H224K125AA can form RC timing circuits, which are fundamental in oscillators, timers, and delay circuits. The precise capacitance and stability of the X7R dielectric are beneficial for maintaining timing accuracy.
• Coupling and Bypass Applications: It serves as a coupling capacitor to block DC voltage while allowing AC signals to pass between different stages of an amplifier or signal processing chain. Conversely, as a bypass capacitor, it provides a low-impedance path for AC signals to ground, shunting unwanted noise away from sensitive circuit nodes.
• General Purpose in Consumer Electronics: Due to its compact size, reliability, and cost-effectiveness, this TDK MLCC is widely employed in various consumer electronic devices such as smartphones, tablets, laptops, smart home devices, and IoT gadgets for numerous general-purpose functions.

Summary

The C2012X7R1H224K125AA from TDK is a highly reliable and versatile commercial-grade ceramic capacitor, offering a 220nF capacitance with a 50V rating and an X7R dielectric for stable performance across a wide temperature range. Its compact EIA 0805 package makes it suitable for modern, space-constrained electronic designs. This essential passive component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your design and manufacturing needs.

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