B32914H4394M000 B32914H4394M000 Film Capacitor

B32914H4394M000 is a high-performance film capacitor manufactured by TDK, a global leader in electronic components. This specific model falls under the category of EMI Suppression Capacitors, designed to effectively filter out electromagnetic interference (EMI) in various electronic circuits. Its primary function is to store and release electrical energy, while also providing critical noise suppression capabilities, ensuring stable and reliable operation of sensitive equipment. TDK’s commitment to quality and innovation is evident in the robust design and consistent performance of this film capacitor, making it a preferred choice for demanding applications where electrical noise reduction is paramount.

Key Specifications

The B32914H4394M000 boasts several critical attributes that define its performance and application suitability. The Brand, TDK, signifies a heritage of engineering excellence and reliability in passive components. As a Category of Capacitors, and more specifically a Sub Category of Film Capacitors for PCB/Busbar Mounting and Motor Run, it indicates its suitability for integration into printed circuit boards and for use in motor control applications where high reliability and specific mounting options are required. The Component Type, Film Capacitor, highlights its construction using dielectric film, which offers superior performance characteristics like high insulation resistance, excellent frequency response, and good temperature stability compared to other capacitor types. The Product Status being ‘Production’ assures buyers of its ongoing availability and support from the manufacturer. The Product Name (TDK), ‘EMI Suppression Capacitors’, directly communicates its primary intended use, which is crucial for designers looking to mitigate electromagnetic noise. The Main Characteristic 1, ‘0.39uF, 480Vrms AC’, specifies its capacitance value and rated AC voltage. A capacitance of 0.39 microfarads determines its energy storage capacity and impedance at various frequencies, while the 480Vrms AC rating signifies its ability to withstand high alternating voltages, making it suitable for mains-connected applications or those with significant AC ripple. Finally, Main Characteristic 2, ‘12.5m(W) x 21.5m(H) x 31.5m(L)’, provides the physical dimensions of the component, which is vital for mechanical design, PCB layout, and ensuring proper fit within an enclosure.

Features and Benefits

• Robust EMI Suppression: Specifically engineered as an EMI Suppression Capacitor, it effectively filters out unwanted electromagnetic noise, enhancing the reliability and performance of electronic systems.
• High AC Voltage Rating: With a 480Vrms AC rating, this film capacitor is well-suited for applications connected to AC mains or where high AC voltages are present, ensuring stable operation under demanding electrical conditions.
• Excellent Stability and Reliability: Constructed with high-quality dielectric film, it offers superior long-term stability, high insulation resistance, and minimal capacitance drift over temperature and time, leading to extended product lifespan.
• Compact and Mountable Design: The specified dimensions and suitability for PCB/Busbar mounting allow for efficient space utilization and flexible integration into various electronic assemblies.
• TDK Quality Assurance: Manufactured by TDK, a renowned leader in passive components, ensuring adherence to stringent quality standards and consistent performance.

Typical Applications

The B32914H4394M000 film capacitor finds extensive use across a multitude of industrial and commercial applications where reliable EMI suppression and high voltage handling are critical. One common application is in power supplies and AC-DC converters, where it is used as an X-capacitor or Y-capacitor to filter out common-mode and differential-mode noise from the AC input line, protecting sensitive internal circuitry and ensuring compliance with EMC regulations. Another significant area is in motor drive and control systems, particularly for motor run applications, where it helps to smooth out voltage ripples, improve power factor, and suppress electrical noise generated by motor commutation, thereby enhancing motor efficiency and reducing electromagnetic emissions. Furthermore, it is frequently employed in industrial automation equipment such as PLCs, robotics, and sensor interfaces, where robust noise immunity is essential for accurate data acquisition and reliable operation in electrically noisy environments. Its high voltage rating also makes it suitable for use in lighting systems, including LED drivers and ballast circuits, to ensure stable power delivery and prevent flicker or interference. Lastly, in renewable energy systems like solar inverters, these capacitors are crucial for filtering high-frequency noise generated during power conversion, contributing to the overall efficiency and longevity of the system.

The B32914H4394M000 from TDK is a reliable and high-performance film capacitor, ideal for a wide range of applications requiring effective EMI suppression and high AC voltage handling. This component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt delivery for your project needs.

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