B43821R2475M000 B43821R2475M000 Aluminum Electrolytic Capacitor

B43821R2475M000 is an Aluminum Electrolytic Capacitor, a fundamental passive component manufactured by TDK. This particular component, categorized under single-ended (radial) capacitors, is designed to store electrical energy and release it when required, playing a crucial role in various electronic circuits for filtering, smoothing, and timing applications. Aluminum electrolytic capacitors are known for their high capacitance values in a relatively small package, making them suitable for power supply units, audio amplifiers, and other applications where significant energy storage is needed. TDK, a global leader in electronic components, ensures that even their obsolete parts like the B43821R2475M000 meet stringent quality and performance standards, reflecting their commitment to engineering excellence.

Key Specifications

The B43821R2475M000 is identified by several key attributes that define its characteristics and intended use. The Brand, TDK, signifies a manufacturer renowned for high-quality electronic components, assuring reliability and performance. The Category, Capacitors, places it within the broader group of energy-storing passive components. More specifically, its Sub Category as Aluminum Electrolytic Capacitors indicates its construction type, which uses an aluminum oxide dielectric and an electrolyte to achieve high capacitance, making it suitable for DC applications and power filtering. The Component Type, Aluminum Electrolytic Capacitor, further refines its classification, highlighting its specific function and material composition. A critical attribute is its Product Status, which is Obsolete. This status means the component is no longer in active production by the manufacturer. While new designs should avoid obsolete parts, they are often sought after for maintenance, repair, and operations (MRO) for existing systems or for specific legacy applications where direct replacements are necessary. Finally, the Product Name (TDK), Single-Ended (Radial) Capacitors, describes its physical form factor, indicating that both leads emerge from one end of the component, allowing for vertical mounting on a printed circuit board (PCB) and simplifying assembly in many applications.

Features and Benefits

• High Capacitance Density: Aluminum electrolytic capacitors offer significant capacitance in a compact size, enabling efficient energy storage and filtering in space-constrained designs.
• Reliable Performance (TDK): Manufactured by TDK, a reputable industry leader, this component adheres to high-quality standards, ensuring dependable operation in its intended applications.
• Radial Lead Configuration: The single-ended (radial) design facilitates easy and secure vertical mounting on PCBs, simplifying assembly processes and optimizing board space.
• Versatile Application Range: Despite its obsolete status, its fundamental characteristics make it suitable for a wide array of legacy electronic systems requiring robust power conditioning.

Typical Applications

The B43821R2475M000, like many aluminum electrolytic capacitors, finds its utility in a diverse range of electronic circuits, particularly where power management and signal integrity are critical. One primary application is in power supply filtering, where it smooths out rectified AC voltage into stable DC voltage, reducing ripple and noise to ensure clean power delivery to sensitive electronic components. Another common use is in audio amplifier circuits, specifically for coupling and decoupling stages, where it helps block DC components while allowing AC audio signals to pass, thereby improving sound quality and preventing DC offset issues. Furthermore, these capacitors are essential in timing circuits, often paired with resistors to create RC networks for oscillations, delays, or signal shaping in control systems and microcontrollers. In motor drive applications, they can be used for DC link filtering, providing a stable voltage bus and absorbing regenerative energy, which is crucial for the efficient and reliable operation of electric motors. Lastly, in various industrial control systems, they contribute to the stability and reliability of power rails, ensuring that sensors, actuators, and processors receive consistent power, even in noisy electrical environments.

The B43821R2475M000 is a testament to TDK’s engineering legacy in passive components. While marked as obsolete, its core functionality remains valuable for specific MRO needs and legacy system maintenance. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring availability for your critical projects.

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