B43645A0108M357 B43645A0108M357 Aluminum Electrolytic Capacitor

B43645A0108M357 is a high-performance aluminum electrolytic capacitor manufactured by TDK, a global leader in electronic components. This specific component is designed for demanding applications requiring robust energy storage and filtering capabilities. As a passive component, its primary function is to store electrical energy electrostatically in an electric field, providing stable voltage regulation, ripple current filtering, and power supply smoothing in various electronic circuits. TDK’s reputation for quality ensures that this capacitor delivers reliable and consistent performance in critical applications.

Key Specifications

The B43645A0108M357 capacitor boasts several key attributes that define its operational characteristics and suitability for specific designs. The Brand, TDK, signifies a commitment to engineering excellence and manufacturing precision, ensuring high reliability and consistent performance. The Category as Capacitors, and Sub Category as Aluminum Electrolytic Capacitors, clearly identifies its fundamental type and construction. Aluminum electrolytic capacitors are known for their high capacitance values in a relatively small volume, making them suitable for power supply applications. The Component Type, Aluminum Electrolytic Capacitor, further specifies its internal construction, which typically involves an aluminum anode, an electrolyte, and an aluminum oxide dielectric layer. The Product Status, Production, indicates that this component is actively manufactured and readily available for new designs and existing product maintenance. TDK’s internal Product Name for this series, “Snap-in, Multi Pin, Large Size Capacitors,” highlights its physical mounting style (snap-in terminals for secure PCB connection), the presence of multiple pins for enhanced stability and current handling, and its larger physical dimensions, which are typical for high-voltage, high-capacitance devices. The Main Characteristic 1, 1030µF/475V DC, is crucial: 1030 microfarads (µF) represents its capacitance, indicating its energy storage capacity, while 475V DC is its maximum rated DC voltage, defining the highest voltage it can safely withstand without breakdown. This combination makes it suitable for high-voltage power supplies. Finally, Main Characteristic 2, 30mm dia x 80mm length, specifies its physical dimensions, which are vital for mechanical design and PCB layout considerations, ensuring it fits within the allocated space in an electronic assembly.

Features and Benefits

• High Capacitance and Voltage Rating: With 1030µF at 475V DC, this capacitor offers substantial energy storage and filtering capabilities, making it ideal for high-power applications and robust DC link filtering.
• Snap-in Terminal 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 Operational Life: Manufactured by TDK, a renowned industry leader, this capacitor is designed for extended operational life, contributing to the overall reliability and longevity of the end product.
• Excellent Ripple Current Capability: Its design allows it to handle significant ripple currents, crucial for effective smoothing and filtering in switch-mode power supplies and other power conversion circuits.
• Wide Operating Temperature Range: Engineered to perform reliably across a broad range of temperatures, ensuring stable operation in diverse environmental conditions.

Typical Applications

The robust characteristics of the B43645A0108M357 make it suitable for a wide array of demanding electronic applications. One primary use case is in Switch-Mode Power Supplies (SMPS), where it functions as a critical component for input and output filtering, smoothing rectified AC voltage, and stabilizing DC bus voltage. Its high voltage rating is particularly beneficial in industrial power supplies and renewable energy inverters. Another significant application is in Industrial Motor Drives and Variable Frequency Drives (VFDs), where these capacitors are essential for DC link filtering, absorbing regenerative energy, and providing stable voltage to the inverter stage, thereby improving motor control and efficiency. Furthermore, it is widely used in Uninterruptible Power Supplies (UPS), serving as a vital energy storage element to bridge short power interruptions and provide clean power to critical loads. Its high capacitance ensures sufficient hold-up time. In Welding Equipment and Induction Heating Systems, the capacitor’s ability to handle high ripple currents and store significant energy is leveraged for power factor correction and energy storage in high-power resonant circuits. Lastly, it finds application in Medical Imaging Equipment such as X-ray machines and MRI scanners, where stable and reliable high-voltage power delivery is paramount for precise operation and patient safety.

The B43645A0108M357 is a reliable and high-performance aluminum electrolytic capacitor from TDK, designed for critical power applications. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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