B41821A7476M000 B41821A7476M000 Aluminum Electrolytic Capacitor

B41821A7476M000 is an Aluminum Electrolytic Capacitor manufactured by TDK, a globally recognized leader in electronic components. This specific component falls under the category of Passive Components, specifically within Capacitors, and further refined to Aluminum Electrolytic Capacitors. Its primary function is to store electrical energy and then release it, smoothing voltage fluctuations, filtering signals, and providing energy storage in various electronic circuits. Despite its ‘Obsolete’ product status, understanding its specifications and applications remains crucial for maintenance, repair, and legacy system support, where direct replacements or compatible alternatives are sought.

Key Specifications

The attributes of the B41821A7476M000 provide a clear understanding of its design and intended use. The Brand is TDK, which signifies a commitment to quality and engineering excellence in the electronics industry. TDK components are known for their reliability and performance, even for obsolete parts. The Category is listed as Capacitors, placing it within the fundamental group of energy storage devices. Its Sub Category, Aluminum Electrolytic Capacitors, specifies the dielectric material and construction type, indicating it uses an aluminum oxide layer as the dielectric and an electrolyte as one of its plates. This type of capacitor is typically characterized by high capacitance values in a relatively small volume, making them suitable for power supply filtering and energy storage. The Component Type is explicitly an Aluminum Electrolytic Capacitor, reinforcing its core identity and function. The Product Status is ‘Obsolete,’ which is a critical piece of information. This status means the manufacturer has discontinued its production, often due to technological advancements, newer product lines, or changes in market demand. While obsolete, such components are still vital for repairing existing equipment or for projects requiring specific legacy characteristics. Finally, the Product Name (TDK) is ‘Single-Ended (Radial) Capacitors,’ which describes its physical configuration. Single-ended or radial capacitors have both leads emerging from the same end of the component body, making them ideal for through-hole mounting on printed circuit boards where space is a consideration and vertical orientation is preferred.

Features and Benefits

• High Capacitance Density: Aluminum electrolytic capacitors like the B41821A7476M000 offer high capacitance values in a compact form factor, essential for applications requiring significant energy storage or ripple current handling.
• TDK Reliability: Manufactured by TDK, this component benefits from the brand’s reputation for quality, ensuring consistent performance even as an obsolete part, crucial for maintaining legacy systems.
• Radial Lead Configuration: The single-ended (radial) design simplifies PCB mounting, allowing for efficient use of board space and straightforward integration into various circuit designs.
• Voltage Smoothing and Filtering: Ideal for filtering power supply lines, reducing AC ripple, and stabilizing DC voltages, contributing to the overall stability and performance of electronic devices.
• Energy Storage: Capable of storing and releasing electrical energy, making it suitable for applications requiring temporary power backup or surge current delivery.

Typical Applications

Despite its obsolete status, the B41821A7476M000 would have been, and remains for repair purposes, suitable for a range of applications where aluminum electrolytic capacitors are typically employed. One primary application is in Power Supply Units (PSUs), particularly in the output filtering stages. Here, it helps to smooth out rectified AC voltage, reducing ripple and providing a stable DC output for sensitive electronic circuits. Another common use is in Audio Amplifiers, where these capacitors are crucial for coupling and decoupling stages, blocking DC components while allowing AC audio signals to pass, and also for power supply filtering to prevent hum and noise. In Industrial Control Systems, the B41821A7476M000 could be found in timing circuits, motor drive controls, and sensor interfaces, where reliable energy storage and filtering are essential for stable operation in harsh environments. Furthermore, in Consumer Electronics such as televisions, DVD players, and home appliances, these capacitors play a vital role in power regulation and signal processing, ensuring the longevity and performance of the devices. Lastly, for Legacy Equipment Maintenance and Repair, this specific component is critical for replacing failed parts in older systems, allowing for the continued operation of valuable or specialized machinery where direct modern equivalents might not be drop-in compatible.

The B41821A7476M000 is a testament to TDK’s engineering prowess in passive components. While obsolete, its characteristics make it a valuable component for specific repair and maintenance scenarios. This part is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring availability for your critical projects.

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