Press Release, 11 December 2025
TDK Corporation has launched a new expansion of its BCL3520FT series of compact power inductors, designed specifically for demanding automotive power circuits. These tiny components — measuring just 3.3 × 3.5 × 2.0 mm — have entered mass production as of December 2025 and are set to play a key role in the next generation of vehicle electronics, particularly in systems that require efficient, reliable power delivery under tough conditions.
Modern cars rely on dozens of electronic control units (ECUs) to run everything from advanced driver-assistance systems (ADAS) to electric powertrain components and camera modules. These ECUs require highly efficient power supply circuits that minimize energy loss while withstanding high temperatures and constant vibration. TDK’s new BCL3520FT inductors deliver on these needs by achieving an industry-leading low DC resistance of just 5 milliohms, which helps reduce heat and improve overall power efficiency in compact automotive environments.
A standout feature of the BCL3520FT series is its high rated current capacity of 10 A, which is roughly 28 % higher than many competing products on the market — a benefit enabled by TDK’s proprietary metallic magnetic materials and innovative flat-wire construction. This design not only enhances current handling but also improves thermal performance, making the components suitable for harsh conditions up to +155 °C.
Despite their small footprint, these inductors are engineered to support the growing power demands of automotive applications, especially as vehicles become more electrified and feature-rich. With compliance to the AEC-Q200 automotive standard, the BCL3520FT series underscores TDK’s commitment to advancing automotive electronics through compact, efficient, and highly reliable components that contribute to better performance and energy efficiency on the road.
Compiled using AI
