B43656D5277M158 B43656D5277M158 Aluminum Electrolytic Capacitor

B43656D5277M158 is a high-performance aluminum electrolytic capacitor manufactured by TDK, a global leader in electronic components. This specific component belongs to the Snap-in, Multi Pin, Large Size Capacitors series, designed for robust and stable operation in demanding power electronics applications. As a passive component, its primary function is to store electrical energy and then release it, effectively smoothing voltage fluctuations, filtering noise, and providing energy storage in various circuits. TDK’s commitment to quality ensures that this capacitor delivers reliable performance and a long operational lifespan, making it an excellent choice for designers and engineers seeking dependable solutions for their power supply and converter designs.

Key Specifications

This TDK aluminum electrolytic capacitor is defined by several critical attributes that dictate its suitability for specific applications:

Brand: TDK – TDK is a renowned Japanese multinational electronics company that manufactures electronic components and recording media. Their brand signifies a commitment to innovation, quality, and reliability in the electronics industry, ensuring that this capacitor meets high standards of performance and durability.

Category: Capacitors > Sub Category: Aluminum Electrolytic Capacitors – This classification places the component within the broader family of capacitors, specifically identifying it as an aluminum electrolytic type. Aluminum electrolytic capacitors are known for their high capacitance values in a relatively small volume, making them suitable for power filtering and energy storage applications where large capacitance is required.

Component Type: Aluminum Electrolytic Capacitor – This reiterates its fundamental nature, highlighting its construction using an aluminum anode and a liquid electrolyte, which provides the dielectric for energy storage. This construction allows for high volumetric efficiency.

Product Status: Production – Indicating that the component is actively being manufactured and is readily available for new designs and existing production lines. This ensures long-term supply stability for industrial and commercial applications.

Product Name (TDK): Snap-in, Multi Pin, Large Size Capacitors – This TDK-specific product name provides insight into its physical mounting style (snap-in for secure PCB connection), its terminal configuration (multi-pin for enhanced stability and current handling), and its physical dimensions (large size, indicating higher capacitance and voltage ratings typically associated with power applications).

Main Characteristic 1: 270µF/450V DC – This is a crucial specification. The 270 microfarad (µF) capacitance value defines its energy storage capacity, while the 450V DC rating specifies the maximum continuous DC voltage it can withstand without damage. This combination makes it suitable for applications requiring significant energy storage at higher voltage levels, common in AC-DC converters and power factor correction circuits.

Main Characteristic 2: 35mm dia x 25.9mm length – These dimensions describe the physical size of the capacitor. The 35mm diameter and 25.9mm length are important for mechanical design and PCB layout considerations, ensuring it fits within the available space in an electronic assembly. Its relatively compact size for its ratings makes it versatile for various equipment.

Features and Benefits

• High Capacitance and Voltage Rating: The 270µF at 450V DC provides substantial energy storage and ripple current handling capabilities, essential for robust power supply designs and voltage stabilization in high-power circuits.
• Snap-in Terminal Design: The snap-in pins ensure a secure and reliable mechanical connection to the PCB, enhancing vibration resistance and simplifying assembly processes, which is critical in industrial and automotive applications.
• Reliable TDK Quality: Manufactured by TDK, this capacitor benefits from stringent quality control and advanced manufacturing processes, guaranteeing consistent performance, extended operational life, and high reliability in demanding environments.
• Optimized for Power Applications: Designed as part of TDK’s large-size capacitor series, it is specifically engineered to meet the rigorous demands of power electronics, offering excellent stability and efficiency under various load conditions.
• Compact for its Performance: Despite its high ratings, the 35mm diameter and 25.9mm length offer a good balance between performance and physical footprint, allowing for more compact and efficient circuit designs.

Typical Applications

The B43656D5277M158 aluminum electrolytic capacitor is versatile and finds application in a wide array of electronic systems requiring stable power delivery and efficient energy management:

Switch-Mode Power Supplies (SMPS): In SMPS units, this capacitor is crucial for input and output filtering. On the input side, it smooths rectified AC voltage, reducing ripple and providing a stable DC bus voltage. On the output side, it filters high-frequency switching noise and stores energy to handle transient load demands, ensuring a clean and stable DC output for sensitive electronics.

Industrial Automation Equipment: PLCs (Programmable Logic Controllers), motor drives, and robotics often require robust and reliable power supplies. This capacitor’s high voltage and capacitance, coupled with its snap-in design, make it ideal for filtering and energy storage in these demanding industrial environments, contributing to the overall stability and longevity of the equipment.

LED Lighting Power Supplies: High-power LED drivers, particularly those used in commercial and industrial lighting fixtures, benefit from this capacitor’s ability to provide stable DC power. It helps in reducing flicker, improving power factor, and extending the lifespan of LED luminaires by ensuring a consistent and clean power input to the LED arrays.

Uninterruptible Power Supplies (UPS): In UPS systems, this capacitor serves as a critical component for energy storage and filtering. It helps maintain a stable DC link voltage, supporting the inverter section during power outages and ensuring a seamless transition to battery power, thereby protecting critical loads from power interruptions.

Renewable Energy Inverters: Solar inverters and wind turbine converters operate at high power levels and require efficient DC link capacitors. The B43656D5277M158 can be used in these applications to stabilize the DC bus voltage, filter harmonics, and manage power flow between the renewable energy source and the grid or load, enhancing system efficiency and reliability.

In summary, the B43656D5277M158 from TDK is a robust and reliable aluminum electrolytic capacitor, perfectly suited for high-performance power applications. Its excellent specifications, combined with TDK’s manufacturing expertise, ensure a premium component for critical designs. This part is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt delivery for your project needs.

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