B43645A0128M552 B43645A0128M552 Aluminum Electrolytic Capacitor

B43645A0128M552 is a high-performance Aluminum Electrolytic Capacitor manufactured by TDK, a global leader in electronic components. This passive component is specifically designed for applications requiring robust energy storage and filtering capabilities in demanding power electronics. As part of TDK’s Snap-in, Multi Pin, Large Size Capacitors series, it offers excellent reliability and a long operational life, making it an ideal choice for a wide range of industrial and commercial power supply designs. Its precise capacitance and voltage ratings ensure stable performance in critical circuits, contributing to the overall efficiency and longevity of electronic systems.

Key Specifications

This TDK B43645A0128M552 capacitor boasts several critical attributes that define its performance and suitability for various applications. The primary characteristic, “1250µF/475V DC,” indicates its capacitance of 1250 microfarads and a maximum DC operating voltage of 475 volts. This combination is crucial for applications requiring significant energy storage at higher voltages, such as in power factor correction circuits or DC link applications where ripple current smoothing is essential. A higher capacitance allows for greater energy storage and more effective filtering of AC ripple, while a higher voltage rating ensures the capacitor can withstand the operational voltages of the circuit without breakdown. The second main characteristic, “30mm dia x 95mm length,” specifies the physical dimensions of the capacitor. A diameter of 30mm and a length of 95mm classify it as a large-size capacitor, indicative of its substantial energy storage capacity and robust construction. These dimensions are important for mechanical design considerations, ensuring adequate space is available on the PCB or within the enclosure. The “Product Status” is listed as “Production,” confirming that this component is actively manufactured and readily available for new designs and ongoing production needs, ensuring long-term supply stability. The “Component Type” is clearly an “Aluminum Electrolytic Capacitor,” highlighting its construction and operational principles, which involve an aluminum oxide dielectric layer for high volumetric efficiency.

Features and Benefits

• High Capacitance and Voltage Rating: With 1250µF at 475V DC, this capacitor is engineered for high-power applications, providing excellent energy storage and ripple current handling capabilities, which is crucial for stable power delivery.
• Robust Snap-in Design: The snap-in terminal configuration ensures secure mounting and reliable electrical connections, simplifying assembly processes and enhancing mechanical stability in vibration-prone environments.
• Long Operational Life: Manufactured by TDK, a reputable brand, this capacitor is built for durability and extended service life, reducing maintenance costs and improving system uptime in industrial applications.
• Optimized for Power Electronics: Its characteristics make it highly suitable for demanding power supply units, inverters, and converters, where stable DC link voltage and effective ripple current filtering are paramount.
• Production Status: Being in active production ensures consistent supply and support for both prototyping and mass production requirements, offering peace of mind for design engineers and procurement teams.

Typical Applications

This TDK B43645A0128M552 Aluminum Electrolytic Capacitor finds extensive use across various demanding electronic applications due to its robust performance characteristics. One primary application is in industrial power supplies, where it serves as a crucial component for DC link filtering, smoothing rectified AC voltage into stable DC power for machinery, automation systems, and control equipment. Its high capacitance and voltage rating are ideal for handling the significant power demands and transient loads common in industrial environments. Another key area is in solar inverters and wind power converters, where these capacitors are essential for managing the DC bus voltage, filtering harmonics, and ensuring efficient power conversion from renewable energy sources to the grid or for local consumption. The ability to withstand high voltages and provide substantial energy storage is critical for the reliability and efficiency of these systems. Furthermore, this capacitor is widely employed in welding equipment and uninterruptible power supplies (UPS). In welding applications, it helps stabilize the high current output, while in UPS systems, it plays a vital role in the inverter stage, providing a stable DC voltage for conversion to AC power during outages, ensuring continuous operation of critical loads. Lastly, it is also highly suitable for use in motor drives and industrial automation systems, where it contributes to the stability of the DC bus, reduces ripple, and helps in energy regeneration, leading to improved motor control and overall system efficiency.

Summary

The B43645A0128M552 TDK Aluminum Electrolytic Capacitor is a high-quality, reliable component essential for a wide array of power electronics applications. Its robust design, high capacitance, and voltage rating make it an excellent choice for demanding industrial and commercial systems. This component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt delivery and reliable service for all your electronic component needs.

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