B43645A0138M257 B43645A0138M257 Aluminum Electrolytic Capacitor

B43645A0138M257 is a high-performance aluminum electrolytic capacitor manufactured by TDK, a global leader in electronic components. This specific component belongs to the passive components category, essential for various electronic circuits. Aluminum electrolytic capacitors are widely utilized for their ability to store and release electrical energy, filter AC signals, and smooth DC voltage in power supply applications. The B43645A0138M257, part of TDK’s Snap-in, Multi Pin, Large Size Capacitors series, is designed for robust and demanding applications where stable and reliable power management is critical.

Key Specifications

This TDK B43645A0138M257 capacitor boasts several critical specifications that define its performance and suitability for various applications. The primary characteristic, “1320µF/475V DC,” indicates its capacitance and rated voltage. A capacitance of 1320 microfarads (µF) signifies its capacity to store a significant amount of electrical charge, making it ideal for filtering ripple currents in power supplies and energy storage in high-power circuits. The 475V DC rated voltage specifies the maximum continuous DC voltage that can be applied across the capacitor without causing damage, ensuring safe and reliable operation in high-voltage environments. The physical dimensions, “30mm dia x 100mm length,” describe the capacitor’s form factor. A diameter of 30mm and a length of 100mm classify it as a large-size capacitor, often associated with higher capacitance and voltage ratings, and typically designed for snap-in mounting, which provides secure mechanical and electrical connections on printed circuit boards. Its “Production” status confirms that this component is actively manufactured and readily available for new designs and existing product maintenance, ensuring long-term supply stability. As an “Aluminum Electrolytic Capacitor,” it leverages the inherent advantages of this technology, such as high volumetric efficiency and cost-effectiveness for large capacitance values.

Features and Benefits

• High Capacitance and Voltage Rating: With 1320µF at 475V DC, this capacitor offers substantial energy storage and filtering capabilities suitable for high-power and high-voltage applications, ensuring stable operation and reduced ripple.
• Robust Snap-in Design: The snap-in terminal configuration provides a secure and reliable mechanical connection to PCBs, enhancing vibration resistance and simplifying assembly processes, which is crucial for industrial and automotive electronics.
• TDK Quality and Reliability: Manufactured by TDK, a renowned leader in electronic components, this capacitor adheres to stringent quality standards, ensuring long operational life and consistent performance in demanding environments.
• Optimized for Power Applications: Designed as a large-size capacitor, it is specifically engineered for power supply units, inverters, and converters where efficient energy storage and ripple current handling are paramount.
• Active Production Status: Being in active production ensures consistent availability and support for current and future designs, minimizing supply chain risks for manufacturers.

Typical Applications

The B43645A0138M257 capacitor is versatile and finds application in numerous critical electronic systems. One primary application is in Switch Mode Power Supplies (SMPS), where it acts as a crucial filtering component to smooth out rectified AC voltage into stable DC, reducing ripple and ensuring clean power delivery to sensitive electronics. Another significant use case is in Industrial Motor Drives and Inverters, where these capacitors store energy and handle large ripple currents, contributing to the efficiency and stability of motor control systems. They are also indispensable in Uninterruptible Power Supplies (UPS), serving as energy reservoirs to provide backup power during outages and to stabilize output voltage. Furthermore, the B43645A0138M257 is well-suited for Welding Equipment and High-Power Converters, where its high voltage and capacitance ratings are essential for managing the intense power demands and transient loads characteristic of such machinery. Finally, in Renewable Energy Systems like solar inverters and wind turbine converters, these capacitors play a vital role in power conditioning and grid stabilization, ensuring efficient conversion and integration of renewable energy sources.

Summary

The TDK B43645A0138M257 aluminum electrolytic capacitor is a robust and reliable component designed for high-performance power applications. Its impressive capacitance, high voltage rating, and TDK’s manufacturing expertise make it an excellent choice for demanding electronic circuits. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt delivery for your project needs.

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