High-power electronic systems require stable DC-link energy storage components that can handle high voltage, ripple current, and harsh operating environments. Engineers need capacitors with low losses, reliable thermal performance, and long operational life to improve system efficiency and reduce maintenance requirements.

Weidy DC-Link film capacitors deliver 500VDC–2000VDC rated voltage, 1μF–100μF capacitance range, and low dissipation factor ≤0.0002 for efficient power conversion systems. Featuring THB IIIB environmental reliability, low stray inductance, and high dv/dt capability, these capacitors provide stable performance for electric vehicles, photovoltaic energy storage, and industrial power supplies.

With expertise in film capacitor design, advanced manufacturing processes, and customized power capacitor solutions, Weidy supports engineers in developing efficient and reliable power systems.

Key Features

• Low ESR for Efficient Power Conversion
• High Ripple Current Capability
• THB IIIB High Humidity Reliability
• Low Stray Inductance <30 nH
• High dv/dt Capability >50V/μs
• Long Lifetime >100,000 Hours
• UL94V-0 Flame Retardant Design

Key Specifications

• Reference Standard: IEC 61071 (GB/T 17702)
• Rated Voltage: 500VDC–2000VDC
• Capacitance Range: 1μF–100μF
• Effective Current: 10A–25A
• Lifetime Expectancy: >100,000h (θhs=70°C)

Applications

• Electric Vehicle Power Systems
• Photovoltaic Energy Storage Systems
• Industrial Power Supplies
• Power Conversion Equipment
• Inverters and Motor Drives

Manufacturing Expertise

Weidy specializes in the design and manufacturing of film capacitors for high-performance power electronics. With capabilities in material selection, capacitor structure design, automated production, and reliability testing, Weidy provides customized capacitor solutions for demanding energy and industrial applications.