TDK EPCOS B43564-S9578-M3 Aluminum Electrolytic Capacitor, 2700uF 350V, Screw Terminal

The TDK EPCOS B43564-S9578-M3 is a high-reliability aluminum electrolytic capacitor designed for industrial power electronics requiring robust screw terminal connections. Part of the high-performance B43564 series, this capacitor is engineered to manage high ripple currents and deliver an exceptionally long service life—rated at up to 15,000 hours at 85 °C. This specific component is ideal for DC-link applications where stability, high energy density, and mechanical durability are paramount.

Technical Specifications

• Manufacturer: TDK / EPCOS
• Part Number: B43564-S9578-M3
• Capacitance: 2700 µF
• Voltage Rating: 350 VDC
• Capacitance Tolerance: ±20%
• Service Life: 15,000 Hours at +85 °C
• ESR (Equivalent Series Resistance): 39 mOhms (Typical at 100 Hz)
• Ripple Current: 8.8 A (Typical)
• Operating Temperature Range: -25 °C to +85 °C

Construction & Performance Features

• Housing: Polarized aluminum case with a high-grade insulating sleeve, designed for ring clip/clamp mounting.
• Terminals: Heavy-duty screw terminals (M5/M6) providing low contact resistance and high vibration resistance for industrial environments.
• Reliability: Optimized for continuous duty in high-stress power converters and rectifiers.
• Safety Features: Includes an integrated safety vent to allow controlled pressure release in the event of an electrical fault.

Industrial Applications

• Frequency Converters: Ideal for DC-link filtering in variable speed drives and industrial motor controllers.
• Uninterruptible Power Supplies (UPS): Used for energy storage and voltage smoothing in heavy-duty UPS systems.
• Solar & Wind Energy: Suitable for power conditioning stages in renewable energy inverters.
• Professional Power Supplies: High-grade filtering for welding equipment and medical imaging power modules.