B41790A8138Q000 B41790A8138Q000 Aluminum Electrolytic Capacitor

B41790A8138Q000 is an Aluminum Electrolytic Capacitor manufactured by TDK, a global leader in electronic components. This passive component is designed to store electrical energy and release it when needed, 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 form factor, making them suitable for power supply units, audio amplifiers, and industrial control systems. While this specific part, B41790A8138Q000, is categorized as obsolete, understanding its specifications and typical applications remains valuable for maintenance, legacy system support, or design considerations where similar characteristics are sought.

Key Specifications

The attributes of the B41790A8138Q000 provide insight into its design and intended use:

• Brand: TDK – TDK is a renowned Japanese multinational electronics company that manufactures electronic components, recording media, and data storage devices. Their brand signifies a commitment to quality and innovation in the electronics industry, ensuring that even obsolete parts were produced to high standards.
• Category: Capacitors – This classification places the component within the broader family of devices designed to store electrical charge. Capacitors are fundamental building blocks in almost every electronic circuit, essential for a wide range of functions from signal coupling to energy storage.
• Sub Category: Aluminum Electrolytic Capacitors – This specifies the type of capacitor, characterized by an aluminum anode and a liquid electrolyte. Aluminum electrolytic capacitors offer high capacitance density, making them ideal for applications requiring significant energy storage, such as power supply filtering where they smooth out rectified AC voltage into stable DC.
• Component Type: Aluminum Electrolytic Capacitor – This reiterates the precise nature of the component, emphasizing its construction and operational principles. The electrolytic nature allows for a very thin dielectric layer, leading to high capacitance values compared to other capacitor types of similar physical size.
• Product Status: Obsolete – This status indicates that the manufacturer no longer produces the B41790A8138Q000. While new production has ceased, existing stock may still be available through distributors. For new designs, engineers typically look for functionally equivalent replacements or newer generation parts.
• Product Name (TDK): Axial Capacitors – This attribute describes the physical form factor of the capacitor. Axial capacitors have leads extending from opposite ends of the cylindrical body, making them suitable for through-hole mounting on printed circuit boards, often preferred in certain industrial or audio applications for their robust connection and thermal characteristics.

Features and Benefits

• High Capacitance Density: Aluminum electrolytic capacitors, including this TDK component, offer significant capacitance in a compact size, crucial for applications where space is at a premium but substantial energy storage is required.
• Effective Filtering and Smoothing: Designed to efficiently filter out ripple voltage in DC power supplies, ensuring a stable and clean power output for sensitive electronic circuits.
• Robust Axial Lead Design: The axial lead configuration provides a secure and reliable connection to the PCB, often favored in applications subject to vibration or requiring mechanical stability.
• Manufactured by TDK: As a product of TDK, it benefits from the company’s legacy of engineering excellence and quality manufacturing processes, even for obsolete parts.

Typical Applications

• Power Supply Units (PSUs): Essential for smoothing rectified AC voltage into stable DC, reducing ripple and noise to provide clean power to electronic devices. They are used in both linear and switching power supplies.
• Audio Amplifiers: Utilized in coupling and decoupling stages to block DC while allowing AC audio signals to pass, and for power supply filtering to prevent hum and noise from entering the audio path, ensuring clear sound reproduction.
• Industrial Control Systems: Found in various control circuits, motor drives, and automation equipment where reliable power filtering and energy storage are critical for stable operation and transient suppression.
• DC-DC Converters: Employed in both input and output stages of DC-DC converters to stabilize voltage levels, reduce switching noise, and improve overall conversion efficiency.
• Timing Circuits: While not their primary role, capacitors can be used in conjunction with resistors to create RC timing circuits for various applications, though typically smaller, more precise capacitors are preferred for critical timing.

While the B41790A8138Q000 is an obsolete component, its specifications highlight its utility in applications requiring robust power filtering and energy storage. For current designs, engineers would seek modern equivalents that offer similar electrical characteristics and form factors. Cirkit Electro Components, Mumbai, stocks and ships a wide range of electronic components, including various capacitors, across India, supporting both legacy system maintenance and new product development.

Browse more Aluminum Electrolytic Capacitors at Cirkit Electro Components.

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