CKG32KX7R1E475M335AH CKG32KX7R1E475M335AH Ceramic Capacitor (MLCC)

CKG32KX7R1E475M335AH is a high-performance ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This specific model is designed for commercial-grade applications, offering a capacitance of 4.7μF with a rated voltage of 25V. As a multilayer ceramic capacitor, it plays a crucial role in various electronic circuits by storing and releasing electrical energy, filtering noise, and stabilizing voltage. Despite its ‘Obsolete’ product status, it remains a vital component for existing designs and specific replacement needs, highlighting TDK’s commitment to quality and reliability in passive components.

Key Specifications

The CKG32KX7R1E475M335AH boasts several critical specifications that define its performance and suitability for various applications:

• Applications: Commercial Grade – This designation indicates the capacitor is suitable for a wide range of general-purpose electronic devices and systems where standard reliability and performance are required, as opposed to automotive or medical grades which have more stringent requirements.
• Brand: TDK – TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, ensuring reliability and adherence to industry standards.
• Feature: Mega – While ‘Mega’ can refer to various specific features depending on the manufacturer, in the context of TDK MLCCs, it often denotes enhanced mechanical strength or reliability, particularly against thermal shock or board flexure, which is critical for robust surface-mount applications.
• Tolerance: ±20% – This specifies the permissible deviation of the actual capacitance value from its nominal value (4.7μF). A ±20% tolerance is common for general-purpose ceramic capacitors, indicating it’s suitable for applications where precise capacitance is not overly critical, such as decoupling or filtering.
• L x W Size: 3.2mm x 2.5mm [EIA 1210] – This refers to the physical dimensions of the capacitor. The EIA 1210 standard size is a relatively common surface-mount package, offering a balance between component footprint and capacitance density, making it manageable for automated assembly processes.
• Capacitance: 4.7μF – This is the primary electrical characteristic, representing the capacitor’s ability to store charge. A 4.7 microfarad capacitance is substantial for an MLCC of this size, making it suitable for power supply decoupling, low-frequency filtering, and energy storage in various circuits.
• T(Max.) / mm: 3.45 – This indicates the maximum thickness of the component, which is crucial for PCB layout and ensuring proper clearance in compact electronic assemblies.
• Temp. Chara.: X7R – X7R is a common dielectric material for ceramic capacitors, known for its stable performance over a wide temperature range. It offers a capacitance change of no more than ±15% from its nominal value across its operating temperature range, making it suitable for many industrial and commercial applications.
• Component Type: Ceramic Capacitor (MLCC) – This identifies the fundamental type of component. MLCCs are highly versatile, compact, and widely used due to their excellent frequency response, low ESR, and high reliability.
• Product Status: Obsolete – This status indicates that the manufacturer no longer produces this specific part for new designs. However, it is still available through distributors like Cirkit Electro Components for maintenance, repair, and existing product lines.
• Rated Voltage [DC] / V: 25 – This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage. Operating within this limit is essential for the longevity and reliable performance of the component.
• Cap.Change or Temp.Coef.: ±15% – This reiterates the capacitance stability over temperature, specifically for the X7R dielectric, meaning the capacitance will not vary by more than 15% from its 25°C value across its full operating temperature range.
• Operating Temp. Range / °C: -55 to 125 – This broad temperature range signifies the capacitor’s ability to function reliably in extreme environmental conditions, from very cold to very hot, making it robust for diverse applications.

Features and Benefits

• Stable Performance Across Wide Temperatures: The X7R dielectric ensures reliable capacitance over an extensive operating temperature range of -55°C to 125°C, making it suitable for demanding environments.
• High Capacitance in a Compact Size: With 4.7μF in an EIA 1210 package, the CKG32KX7R1E475M335AH offers significant charge storage capabilities without occupying excessive board space.
• Robust Construction for Commercial Use: Designed as a ‘Mega’ feature component, it offers enhanced mechanical strength, improving reliability and resistance to physical stresses common in commercial applications.
• Trusted TDK Quality: Manufactured by TDK, a leader in passive components, this capacitor benefits from stringent quality control and advanced manufacturing processes, ensuring consistent performance.
• Versatile for General-Purpose Applications: Its commercial-grade designation and balanced specifications make it an excellent choice for a wide array of electronic circuits requiring stable filtering, decoupling, or energy storage.

Typical Applications

• Power Supply Decoupling: The 4.7μF capacitance and 25V rating make it ideal for decoupling power rails in microcontrollers, FPGAs, and other integrated circuits, reducing noise and ensuring stable voltage delivery.
• Filtering in DC-DC Converters: It can be used in input and output filtering stages of DC-DC converters to smooth out ripple voltage, contributing to cleaner power output and improved system efficiency.
• Signal Coupling and Decoupling: In audio and data communication circuits, this capacitor can be employed for AC coupling or DC blocking, isolating DC bias while allowing AC signals to pass, or vice-versa.
• Timing Circuits: While not a precision timing component, its stable capacitance over temperature can be utilized in less critical RC timing circuits or oscillators where a ±20% tolerance is acceptable.
• General-Purpose Energy Storage: Its ability to store and release charge makes it suitable for small energy storage applications, such as power backup for volatile memory or as a reservoir capacitor in low-power systems.

The CKG32KX7R1E475M335AH from TDK, despite its obsolete status, continues to be a reliable component for various commercial-grade electronic applications. Cirkit Electro Components, Mumbai, proudly stocks and ships this and many other essential electronic components across India, ensuring prompt delivery and reliable service for your project needs.

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