B43745B4139M607 B43745B4139M607 Aluminum Electrolytic Capacitor

B43745B4139M607 is a high-performance aluminum electrolytic capacitor manufactured by TDK, a global leader in electronic components. This passive component is specifically designed for demanding applications requiring high capacitance and voltage handling capabilities. As part of TDK’s renowned series of capacitors with screw terminals, it offers robust construction and reliable electrical characteristics, making it suitable for critical power electronics and industrial systems. Its fundamental function is to store electrical energy and release it when needed, filter AC ripple, and smooth DC voltage, which is crucial for stable operation in various electronic circuits.

Key Specifications

The attributes of the B43745B4139M607 capacitor provide a comprehensive understanding of its capabilities and physical characteristics:

• Brand: TDK – TDK is a globally recognized manufacturer synonymous with quality, innovation, and reliability in the electronics industry. Choosing a TDK component ensures adherence to high manufacturing standards and consistent performance.
• Category: Capacitors – This broad classification places the component within the essential group of passive devices designed to store electrical charge.
• Sub Category: Aluminum Electrolytic Capacitors – This specifies the capacitor’s dielectric material and construction type. Aluminum electrolytic capacitors are known for their high capacitance values in relatively small volumes, making them ideal for power supply filtering, energy storage, and coupling applications.
• Component Type: Aluminum Electrolytic Capacitor – Reaffirming its specific design, this type is characterized by its use of an aluminum oxide layer as the dielectric and a liquid electrolyte, offering excellent volumetric efficiency.
• Product Status: In Development – This indicates that the product is currently in the design or testing phase, suggesting it represents cutting-edge technology or a new iteration of an existing product line. While not yet in full production, it signifies future availability of advanced specifications.
• Product Name (TDK): Capacitors with Screw Terminals – This highlights a significant mechanical feature. Screw terminals provide a highly secure and reliable electrical connection, especially crucial for high-current applications where vibration or mechanical stress might compromise other terminal types. They also facilitate easy installation and replacement.
• Main Characteristic 1: 13000µF/350V DC – This is the core electrical specification. 13000 microfarads (µF) represents a very high capacitance value, indicating significant energy storage capability. The 350V DC rating signifies its ability to withstand a continuous direct current voltage of up to 350 volts, making it suitable for high-voltage power applications.
• Main Characteristic 2: 90mm dia x 144.5mm length – These dimensions describe the physical size of the capacitor. A diameter of 90mm and a length of 144.5mm indicate a substantial component, typical for high-capacitance, high-voltage electrolytic capacitors designed for robust power systems.

Features and Benefits

• High Capacitance and Voltage Rating: With 13000µF at 350V DC, this capacitor offers substantial energy storage and ripple current handling capabilities, essential for stable operation in demanding power applications.
• Robust Screw Terminals: The inclusion of screw terminals ensures a highly reliable, secure, and low-resistance electrical connection, vital for high-current circuits and applications subject to mechanical stress or vibration.
• TDK Quality and Reliability: Manufactured by TDK, a leader in passive components, users can expect superior quality, consistent performance, and long-term reliability, reducing maintenance and replacement costs.
• Optimized for Power Electronics: Its design and specifications make it particularly well-suited for power supply filtering, DC-link applications, and energy storage in converters and inverters, where stable and clean power is paramount.
• Future-Ready Technology: Being ‘In Development’ suggests this component incorporates the latest advancements in capacitor technology, offering potentially improved performance characteristics, efficiency, or lifespan compared to older designs.

Typical Applications

• Industrial Power Supplies: The B43745B4139M607 is ideal for use in robust industrial power supplies, providing critical ripple filtering and energy storage to ensure stable DC output for sensitive industrial machinery and control systems. Its high voltage rating makes it suitable for higher power applications.
• Motor Drives and Inverters: In variable frequency drives (VFDs) for AC motors and other power inverter applications, this capacitor can serve as a DC-link capacitor, smoothing the rectified DC voltage and providing energy storage to handle sudden load changes, thereby improving motor efficiency and control.
• Renewable Energy Systems: Solar inverters and wind turbine converters often require high-capacitance, high-voltage components for energy storage and power conditioning. This TDK capacitor can effectively manage the fluctuating power from renewable sources, contributing to system stability and grid integration.
• Welding Equipment: High-power welding machines demand large bursts of energy. Capacitors like the B43745B4139M607 can store significant charge and discharge it rapidly to provide the necessary current for welding operations, ensuring consistent arc stability.
• Uninterruptible Power Supplies (UPS): In large-scale UPS systems, these capacitors are crucial for filtering and stabilizing the DC bus voltage, ensuring a clean power supply to critical loads during transitions between main power and battery backup, enhancing overall system reliability.

The B43745B4139M607 from TDK represents a robust and high-performance solution for demanding power electronics applications. Its combination of high capacitance, voltage rating, and secure screw terminals, backed by TDK’s reputation, makes it a reliable choice for engineers and designers. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring timely availability for your projects.

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