B43645A0118M857 B43645A0118M857 Aluminum Electrolytic Capacitor

B43645A0118M857 is a high-performance aluminum electrolytic capacitor manufactured by TDK, a global leader in electronic components. This specific component belongs to the category of Passive Components, specifically Aluminum Electrolytic Capacitors, and is designed for demanding applications requiring robust energy storage and filtering capabilities. TDK’s expertise ensures that this capacitor delivers reliable performance in various power electronics circuits, contributing to the stability and efficiency of the overall system. Its design, characterized as a Snap-in, Multi Pin, Large Size Capacitor, indicates its suitability for secure mounting and high-density power applications, making it a critical component for professional electronic designs.

Key Specifications

This TDK B43645A0118M857 capacitor boasts several critical specifications that define its operational characteristics and suitability for specific applications:

Brand: TDK – TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, including capacitors, inductors, and magnetic products. Specifying TDK ensures a product backed by extensive research, development, and stringent quality control, leading to superior reliability and performance.

Category: Capacitors – Capacitors are fundamental passive electronic components that store electrical energy in an electric field. They are essential for filtering, smoothing, coupling, and decoupling signals in electronic circuits, playing a crucial role in power supplies, audio systems, and timing circuits.

Sub Category: Aluminum Electrolytic Capacitors – Aluminum electrolytic capacitors are a type of electrolytic capacitor that uses an aluminum anode and a liquid electrolyte. They are known for their high capacitance values in a relatively small volume, making them ideal for power supply filtering, energy storage, and DC-link applications where large capacitance is required at moderate to high voltages.

Component Type: Aluminum Electrolytic Capacitor – This reiterates the core nature of the component, emphasizing its construction and operational principles. It signifies its suitability for applications where high capacitance and voltage handling are paramount, often found in power conversion and industrial electronics.

Product Status: Production – A ‘Production’ status indicates that the component is actively being manufactured and is readily available for purchase and integration into new designs or for replacement in existing systems. This ensures long-term supply and support for industrial and commercial applications.

Product Name (TDK): Snap-in, Multi Pin, Large Size Capacitors – This TDK-specific product name highlights key physical and functional attributes. ‘Snap-in’ refers to its mounting style, allowing for quick and secure installation on PCBs. ‘Multi Pin’ suggests enhanced stability and current handling capabilities. ‘Large Size’ indicates its capacity for significant energy storage, typically associated with higher voltage and capacitance ratings.

Main Characteristic 1: 1180µF/475V DC – This is a crucial electrical specification. 1180 microfarads (µF) represents the capacitance, indicating its ability to store a substantial amount of electrical charge. The 475V DC rating specifies the maximum continuous DC voltage that can be applied across the capacitor without damage. This combination makes it suitable for high-voltage DC bus filtering and energy storage in applications like power supplies, inverters, and motor drives.

Main Characteristic 2: 30mm dia x 90mm length – These dimensions describe the physical size of the capacitor. A diameter of 30mm and a length of 90mm indicate a substantial component, consistent with its high capacitance and voltage ratings. These dimensions are critical for mechanical design and PCB layout considerations, ensuring proper fit and thermal management within an enclosure.

Features and Benefits

• High Capacitance and Voltage Rating: With 1180µF at 475V DC, this capacitor offers excellent energy storage capabilities, making it ideal for high-power applications where stable voltage rails and ripple current filtering are critical.
• Robust Snap-in Design: The snap-in terminals ensure secure and reliable mounting on printed circuit boards, simplifying assembly processes and enhancing mechanical stability, especially in applications subject to vibration.
• Long-Life Performance: Manufactured by TDK, a leader in passive components, this capacitor is designed for extended operational life, contributing to the overall reliability and longevity of the end product.
• Optimized for Power Electronics: Its large size and multi-pin configuration are tailored for demanding power electronics applications, providing superior current handling and thermal dissipation characteristics.
• Wide Operating Temperature Range: Designed to perform reliably across a broad spectrum of temperatures, ensuring consistent performance in diverse environmental conditions typical of industrial and commercial settings.

Typical Applications

The B43645A0118M857 aluminum electrolytic capacitor is versatile and finds application in numerous high-power and industrial electronic systems:

1. Power Supplies and SMPS (Switched-Mode Power Supplies): It is commonly used as a DC-link capacitor in the input and output stages of high-voltage power supplies and SMPS. Its high capacitance helps in smoothing rectified AC voltage, reducing ripple, and providing energy storage for transient loads, ensuring stable DC output.

2. Inverters and Converters: In solar inverters, motor drives, and uninterruptible power supplies (UPS), this capacitor serves as a crucial component for DC bus filtering. It helps to stabilize the DC voltage link, absorb reactive power, and filter out harmonics, thereby improving the efficiency and reliability of power conversion.

3. Industrial Automation Equipment: Robotics, programmable logic controllers (PLCs), and other industrial control systems often require robust power conditioning. This capacitor can be integrated into power modules to provide stable power to sensitive electronics, ensuring reliable operation in harsh industrial environments.

4. Medical Equipment: High-reliability medical devices, such as diagnostic imaging systems and therapeutic equipment, depend on stable and clean power. This capacitor’s specifications make it suitable for power conditioning in such critical applications, where performance and safety are paramount.

5. Welding Equipment and Induction Heating: In high-power applications like welding machines and induction heating systems, large electrolytic capacitors are essential for energy storage and filtering high currents. The B43645A0118M857 can handle the demanding electrical loads and provide the necessary power stability.

Summary

The TDK B43645A0118M857 aluminum electrolytic capacitor is a robust and reliable component designed for high-performance power electronics applications. Its impressive capacitance, high voltage rating, and TDK’s manufacturing quality ensure stable and efficient operation in critical systems. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, providing easy access for all your electronic design and manufacturing needs.

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