TDK EPCOS B43564-S9458-Q1 Aluminum Electrolytic Capacitor, 4500uF 400V, Screw Terminal

Product Overview The TDK EPCOS B43564-S9458-Q1 is a premium-grade aluminum electrolytic capacitor specifically engineered for industrial power electronics requiring high reliability and extended operational life. As part of the B43564 series, this component is designed for DC-link circuits, offering high energy density and superior ripple current capability. Its robust construction makes it a preferred choice for large-scale power conversion systems where performance stability is critical.

Technical Specifications

• Manufacturer: TDK / EPCOS
• Part Number: B43564-S9458-Q1
• Capacitance: 4500 µF
• Voltage Rating: 400 VDC
• Capacitance Tolerance: ±20%
• Series: B43564 (High Reliability / Long Life)
• Operating Temperature Range: -25 °C to +85 °C
• Terminal Style: Screw Terminal

Construction & Performance Features

• Long-Life Design: Engineered with high-quality materials to ensure a long service life even under continuous operation in demanding environments.
• Low ESR Performance: Optimized for low Equivalent Series Resistance, which reduces internal power dissipation and allows for higher ripple current handling.
• Industrial Case: Features a polarized aluminum case protected by an insulating sleeve, suitable for installation in high-density industrial racks.
• Secure Contacts: Equipped with heavy-duty screw terminals to ensure vibration-proof electrical connections and reliable high-current performance.
• Safety Standards: Includes an integrated pressure relief safety vent to protect against internal overpressure.

Industrial Applications

• Frequency Converters: Optimal for DC-link buffering in industrial motor drives and high-power frequency inverters.
• Professional Power Supplies: Ideal for use in large-scale switch-mode power supplies (SMPS) and industrial rectifiers.
• Uninterruptible Power Supplies (UPS): Provides critical energy storage for enterprise-level backup power systems.
• Renewable Energy: Extensively used in solar and wind power inverters for efficient power conditioning.