C2012X7T2W473K125AA C2012X7T2W473K125AA Ceramic Capacitor (MLCC)

C2012X7T2W473K125AA

Overview

The C2012X7T2W473K125AA is a high-performance Ceramic Capacitor (MLCC) manufactured by TDK, a global leader in electronic components. As a passive component, this Multilayer Ceramic Chip Capacitor plays a crucial role in various electronic circuits by storing and releasing electrical energy, filtering noise, and stabilizing voltage. Its compact size and robust electrical characteristics make it an ideal choice for a wide range of commercial-grade applications where reliability and performance are paramount. This specific model is designed to offer stable capacitance over a broad operating temperature range, ensuring consistent circuit behavior in demanding environments.

Key Specifications

The C2012X7T2W473K125AA boasts a set of specifications tailored for demanding commercial applications:

• Apps.: Commercial Grade: This designation indicates that the capacitor is designed and tested to meet the rigorous requirements of commercial electronic equipment, ensuring higher reliability and performance compared to general-purpose components.
• Brand: TDK: TDK is a renowned manufacturer known for its high-quality passive components, providing assurance of product reliability, consistent performance, and adherence to industry standards.
• Feature: Mid: The “Mid” feature classification typically refers to the capacitor’s dielectric material characteristics, suggesting a balance between high capacitance and stable performance across a moderate temperature range.
• Tolerance: ±10%: This specifies that the actual capacitance value will be within ±10% of the nominal 47nF value. A tighter tolerance is critical in precision circuits where exact capacitance is required for optimal performance.
• L x W Size: 2.0mm x 1.25mm [EIA 0805]: This refers to the physical dimensions of the surface-mount component. The EIA 0805 standard size (2.0mm long by 1.25mm wide) is a very common footprint, facilitating easy integration into compact PCB designs and automated assembly processes.
• Capacitance: 47nF: This is the nominal capacitance value, indicating the component’s ability to store electrical charge. A 47nF capacitor is suitable for a variety of filtering, coupling, and decoupling applications in many electronic circuits.
• T(Max.) / mm: 1.45: This denotes the maximum thickness of the component, which is important for mechanical design considerations, especially in space-constrained applications.
• Temp. Chara.: X7T: The X7T temperature characteristic defines the capacitor’s performance over its operating temperature range. For X7T, the capacitance change is within +22% to -33% from its nominal value over the operating temperature range of -55°C to +125°C, making it suitable for applications requiring stable performance in varying thermal conditions.
• Component Type: Ceramic Capacitor (MLCC): This identifies the component as a Multilayer Ceramic Chip Capacitor, known for its high volumetric efficiency, low equivalent series resistance (ESR), and excellent high-frequency characteristics.
• Product Status: Production: This 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: 450: This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage. A 450V rating makes this capacitor suitable for applications involving higher voltage rails, providing a robust safety margin.
• Cap.Change or Temp.Coef.: +22,-33%: This reiterates the capacitance change over the specified temperature range, directly correlating with the X7T temperature characteristic. It’s a critical parameter for designers to consider when circuit performance is sensitive to capacitance variations with temperature.
• Operating Temp. Range / °C: -55 to 125: This wide operating temperature range signifies the capacitor’s ability to function reliably in extreme cold and hot environments, making it versatile for industrial, automotive, and outdoor applications.

Features and Benefits

• High Reliability for Commercial Use: Designed specifically for commercial-grade applications, the C2012X7T2W473K125AA offers enhanced reliability and longevity, reducing maintenance costs and improving system uptime in professional equipment.
• Stable Performance Across Wide Temperatures: With an X7T temperature characteristic and an operating range of -55°C to 125°C, this TDK capacitor maintains stable capacitance, ensuring consistent circuit operation even in harsh thermal conditions.
• Compact EIA 0805 Footprint: The small 2.0mm x 1.25mm size allows for high-density PCB designs, enabling the creation of smaller and more portable electronic devices without compromising performance.
• High Voltage Rating: A 450V DC rated voltage provides ample headroom for applications with higher voltage requirements, contributing to overall circuit robustness and safety.
• Versatile Capacitance Value: The 47nF capacitance, combined with a ±10% tolerance, makes it suitable for a broad spectrum of filtering, decoupling, and timing applications, offering design flexibility.

Typical Applications

• Power Supply Decoupling: In power supply units and DC-DC converters, the C2012X7T2W473K125AA can be used to decouple power rails, filtering out high-frequency noise and stabilizing voltage to ensure clean power delivery to sensitive ICs and components. Its 450V rating makes it suitable for intermediate bus voltage filtering.
• Signal Filtering in Industrial Control Systems: The capacitor’s stable temperature characteristics and reliable performance make it ideal for signal filtering in industrial automation and control systems, where precise and consistent signal integrity is crucial for accurate sensor readings and actuator control.
• Automotive Electronics (Non-Safety Critical): While commercial grade, its wide operating temperature range and robust construction allow for use in various non-safety critical automotive applications, such as infotainment systems, body electronics, and auxiliary power modules, where environmental resilience is important.
• LED Lighting Drivers: In LED driver circuits, this capacitor can be employed for smoothing rectified AC voltage, filtering switching noise, and providing energy storage, contributing to flicker-free operation and extended LED lifespan. The 450V rating is beneficial for higher voltage LED strings.
• Telecommunications Equipment: The component is suitable for use in telecommunications infrastructure, including base stations and network equipment, for RF decoupling, impedance matching, and general filtering tasks, benefiting from its low ESR and high-frequency performance.

Summary

The C2012X7T2W473K125AA from TDK is a robust and reliable commercial-grade ceramic capacitor, offering a 47nF capacitance with a 450V rating in a compact EIA 0805 package. Its X7T temperature characteristic ensures stable performance across a wide -55°C to 125°C operating range, making it highly versatile for demanding electronic designs. This component is an excellent choice for designers seeking high-quality, dependable passive components for power management, filtering, and general circuit applications. Cirkit Electro Components, Mumbai, proudly stocks and ships this essential component across India, ensuring prompt delivery for your project needs.

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