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These components are designed to meet the demands of high-frequency applications with high pulse stress of up to 6,500 V/µs, where traditional solutions may fall short. They excel in resonant circuits, particularly the popular LLC topology. Due to their compact form factor and AEC-Q200 compliance, these components are generally used in onboard chargers (OBCs) and DC-DC converters in xEVs, as well as in uninterruptible power supplies (UPS), industrial switch-mode power supplies (SMPS), and electronic ballasts.
These capacitors offer a rated DC voltage range from 630 V to 2000 V and cover capacitance values from 2.2 µF up to 470 µF. They are engineered with a special dielectric system combining polypropylene and double-sided metallized PET film, delivering high pulse strength and exceptional current handling capabilities. Rated for continuous operation from -55 °C to +125 °C, the series ensures long-term reliability even under harsh environmental conditions.
The B3264xH capacitors stand out with their high insulation resistance, low dissipation factor, and robust self-healing properties, resulting in a service life of 200,000 hours at +85 °C and full rated voltage. These components are available in three lead spacing variants (10 mm, 15 mm, and 22.5 mm), enabling flexible integration into space-constrained circuit layouts.
By combining high performance with automotive-grade reliability, TDK’s B3264xH series helps designers optimize efficiency and longevity in advanced power electronics systems across both automotive and industrial sectors.
Features & Applications
Main applications
• Electronic ballasts (resonant circuits);
• LLC topology;
• High-frequency applications with high current stress;
• Switch-mode power supplies.
Main features and benefits
• Very compact design;
• High pulse strength;
• High current withstand capability;
• Usable in harsh, humid environments;
• Halogen-free (upon request);
• AEC-Q200 compliant.
About TDK Corporation
TDK Corporation (tdk.com) is a world leader in electronic solutions for the smart society based in Tokyo, Japan. Built on a foundation of material sciences mastery, TDK welcomes societal transformation by resolutely remaining at the forefront of technological evolution. It was established in 1935 to commercialize ferrite, a key material in electronic and magnetic products. TDK’s comprehensive, innovation-driven portfolio features passive components such as ceramic, aluminum electrolytic and film capacitors, as well as magnetics, high-frequency, and piezo and protection devices. The product spectrum also includes sensors and sensor systems such as temperature and pressure, magnetic, and MEMS sensors. In addition, TDK provides power supplies and energy devices, magnetic heads, software and more. These products are marketed under the product brands TDK, EPCOS, InvenSense, Micronas, Tronics, and TDK-Lambda. TDK focuses on demanding markets in automotive, industrial and consumer electronics, and information and communication technology. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America. In fiscal 2025, TDK posted total sales of USD 14.4 billion and employed about 10,5000 people worldwide.
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