CKG57KX7T2W684K335JH CKG57KX7T2W684K335JH Ceramic Capacitor (MLCC)

CKG57KX7T2W684K335JH

Overview

CKG57KX7T2W684K335JH is a high-performance Multilayer Ceramic Capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This passive component is crucial for various electronic circuits, primarily functioning to store and release electrical energy, filter noise, and stabilize voltage. Its ceramic dielectric material and multilayer construction allow for high capacitance in a compact form factor, making it suitable for a wide range of commercial-grade applications requiring reliable performance.

Key Specifications

• Applications: Commercial Grade – This designation indicates that the capacitor is designed and tested to meet the rigorous demands of general commercial electronic products, ensuring reliability and consistent performance in non-critical applications where extreme environmental conditions or safety-critical functions are not primary concerns.
• Brand: TDK – TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, including a comprehensive range of capacitors. Choosing a TDK component ensures adherence to stringent manufacturing standards and reliable performance.
• Feature: MidMega – The “MidMega” feature likely refers to a specific internal construction or dielectric formulation by TDK that allows for a balance of high capacitance and stable performance, often indicating a component optimized for mid-to-high capacitance values within a standard footprint.
• Tolerance: ±10% – This specification defines the permissible deviation of the actual capacitance value from its nominal value. A ±10% tolerance is common for general-purpose capacitors, indicating good precision for most commercial and industrial applications where exact capacitance is not critically sensitive.
• L x W Size: 5.7mm x 5.0mm [EIA 2220] – This denotes the physical dimensions of the capacitor, with a length of 5.7mm and a width of 5.0mm. The [EIA 2220] designation refers to the Electronic Industries Alliance (EIA) standard package size code, which helps engineers identify the footprint for PCB layout and automated assembly processes.
• Capacitance: 680nF – This is the primary electrical characteristic, indicating the capacitor’s ability to store charge. A capacitance of 680 nanofarads (0.68 microfarads) is a substantial value for an MLCC, making it suitable for filtering, coupling, and energy storage in various power and signal conditioning circuits.
• T(Max.) / mm: 3.5 – This specifies the maximum thickness of the component, which is 3.5 millimeters. This dimension is critical for mechanical design, ensuring the component fits within the vertical clearance constraints of a product enclosure or stacked PCB assemblies.
• Temp. Chara.: X7T – The X7T temperature characteristic describes how the capacitance changes over a specified temperature range. For X7T, the operating temperature range is -55°C to +125°C, and the capacitance change is specified by the Cap. Change or Temp. Coef. attribute, ensuring stable performance across a broad thermal spectrum.
• Component Type: Ceramic Capacitor (MLCC) – This confirms the fundamental type of capacitor. MLCCs are surface-mount devices known for their small size, high reliability, and excellent frequency response, making them ubiquitous in modern electronics.
• 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 or premature failure. A 450V rating makes this capacitor suitable for applications involving higher voltage rails, such as power supplies, LED drivers, and industrial control systems.
• Cap.Change or Temp.Coef.: +22,-33% – This attribute, tied to the X7T temperature characteristic, specifies that the capacitance can vary between +22% and -33% of its nominal value over the full operating temperature range of -55°C to +125°C. This information is crucial for designers to account for capacitance drift in temperature-sensitive applications.
• Operating Temp. Range / °C: -55 to 125 – This defines the ambient temperature range within which the capacitor is designed to operate reliably and meet its specified electrical characteristics. A wide range from -55°C to +125°C highlights its robustness for demanding thermal environments.

Features and Benefits

• High Capacitance in a Compact Footprint: The 680nF capacitance in an EIA 2220 package (5.7mm x 5.0mm) offers significant charge storage capabilities while minimizing board space, crucial for miniaturized electronic devices.
• Wide Operating Temperature Range: With an operating temperature range of -55°C to +125°C, this TDK MLCC ensures stable and reliable performance across extreme thermal conditions, making it suitable for robust industrial and automotive applications.
• High Voltage Rating: A 450V DC rated voltage allows for effective use in power supply circuits, voltage regulators, and other applications requiring handling of higher DC voltages, enhancing design flexibility and safety margins.
• Commercial Grade Reliability: Designed for commercial applications, the CKG57KX7T2W684K335JH offers a balance of performance, cost-effectiveness, and proven reliability, reducing the risk of component failure in standard electronic products.
• Precision and Stability: The ±10% tolerance, combined with the X7T temperature characteristic, provides a predictable capacitance value over varying conditions, essential for maintaining circuit integrity and performance.

Typical Applications

• Power Supply Filtering: The high capacitance and voltage rating make this MLCC ideal for input and output filtering in DC-DC converters and AC-DC power supplies. It effectively smooths out ripple voltage, ensuring a stable power rail for sensitive electronic components.
• Voltage Regulation Circuits: Used in conjunction with voltage regulators, this capacitor helps to stabilize output voltage and improve transient response by providing local energy storage, preventing voltage dips or spikes during sudden load changes.
• Decoupling and Bypass Applications: In digital and mixed-signal circuits, the CKG57KX7T2W684K335JH can be placed close to integrated circuits to bypass high-frequency noise to ground, preventing interference and ensuring stable operation of logic gates and microcontrollers.
• LED Lighting Drivers: Given its 450V rating, this capacitor is well-suited for use in the input and output stages of LED driver circuits, where it can handle higher bus voltages and contribute to power factor correction and ripple current reduction.
• Industrial Control Systems: Its robust operating temperature range and commercial-grade reliability make it a strong candidate for use in industrial automation equipment, sensors, and control modules where environmental conditions can vary significantly.

Summary

CKG57KX7T2W684K335JH from TDK is a versatile and reliable ceramic capacitor offering a substantial 680nF capacitance and a 450V rated voltage within a compact EIA 2220 package. Its X7T temperature characteristic and wide operating temperature range ensure stable performance in diverse commercial-grade applications. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your design and production needs.

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