TDK-EPCOS High Power Screw-Mounted Aluminum Electrolytic Capacitor – B43458-B5109-M

Basic Electrical Specifications

• Rated Voltage: 450 VDC

• Nominal Capacitance: 10000 μF

• Capacitance Tolerance: ±20% (Grade M)

• Surge Voltage: 1.1 × Rated Voltage = 495 VDC

• Dissipation Factor tanδ (20℃ / 120Hz): ≤0.20

• Leakage Current Ileak (20℃, 5 minutes standing): ≤0.01×C×Ur (μA)

• Equivalent Series Inductance (ESL): Approx. 15 nH for 51.6 mm diameter model

• Ripple Current Handling: High-current design for DC bus filtering of high-power frequency conversion equipment

Core Product Advantages

• High CV compact design, smaller size under the same capacitance;

• Excellent high ripple current withstand capability for continuous high-power bus filtering;

• Bottom screw cooling structure greatly extends service life under high-temperature conditions;

• Fully welded construction, suitable for frequent charge-discharge and inverter pulse operating conditions;

• Wide temperature range up to 85℃, stable operation in harsh industrial and new energy environments.

Application Scope (Core for DC Bus Filtering)

1. New Energy Converters (Main Application)

PV inverters, wind power converters, energy storage PCS convertersMain DC bus filtering, smoothing rectified DC voltage and absorbing pulse ripples

2. High-Power Industrial Frequency Converters & Servo Drives

High-power motor inverters, servo drivers, power supplies for lifting equipmentHigh-power frequency conversion power supplies for machine tools, injection molding machines and air compressors