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New Capacitors Optimized for Energy Storage and Motor Drives

TDK Corporation has introduced the new B25696H series of film capacitors, specifically developed for demanding DC-Link applications in renewable energy systems, industrial motor drives, and high-power inverters. These capacitors offer high energy density, excellent ripple current capability, and long operational lifetime.

Key Features and Specifications

• Rated voltage: 700 V DC to 1300 V DC
• Capacitance range: 1.0 µF to 110 µF
• High ripple current capability: up to 60 A (depending on model)
• Low ESR and low ESL design
• Operating temperature: -40°C to +105°C (or higher in some variants)
• Long lifetime: up to 200,000 hours at rated conditions
• Robust metallized polypropylene film technology
• Compact size with high energy density

The B25696H series is particularly suited for DC-Link circuits in solar inverters, wind turbines, EV charging stations, and industrial frequency converters where high reliability and thermal stability are essential.

Target Applications

• Renewable energy inverters (solar & wind)
• Industrial motor drives and servo systems
• Electric vehicle charging infrastructure
• Uninterruptible Power Supplies (UPS)
• High-power traction converters

With their advanced design and superior electrical parameters, the TDK B25696H capacitors help engineers achieve higher efficiency, better power density, and increased system reliability.

Source: Electronics For You