TDK has extended its portfolio of EPCOS ERU SMT power inductors with the ERU16 choke series, comprised of 10 different types. The inductance values of the new B82559B*A016 series, which replaces the former B82559A*A016 series, extend from 1,0 µH to 30 µH and their saturation currents range from 10,3 A d.c. to 40,4 A d.c. at 25°C.
A key feature of these new power inductors is their compact design: with a footprint of just 17,3 x 16,5 mm, they take up 12% less space on the PCB than their predecessor. The low insertion heights of 7,55 mm (1,0 µH) to 11,1 mm (30 µH) vary depending on the type. This low-profile design is based on a flat rectangular helical winding technology, which also results in lower losses.
The DC resistances are between 1 mΩ and 15,4 mΩ. The new series of high-current chokes is designed for operating temperatures between -40°C and +150°C. Its additional third soldering pad results in high mechanical stability on the PCB.
The new components can be used as output and storage chokes in a wide variety of power supply topologies including point-of-load (POL) converters, DC-DC converters, high-current switch-mode power supplies and inverters for photovoltaics systems and automotive applications. The components are RoHS-compatible and qualified to AEC-Q200.
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