For machine and electronic manufacturers facing power demands from 10kW to 80 kW, a new series of common mode chokes from Schaffner can address certain design challenges. Featuring a nanocrystalline core, the chokes deliver higher attenuation levels than previous versions while retaining the same mechanical volume.
The new RT series N includes several models that achieve up to 15 dB higher attenuation performance than their ferrite-based predecessors across relevant frequency bands of the electromagnetic compatibility frequency spectrum. The choke is still 65 mm in diameter but will provide designers having to work within tight space restrictions with more power while avoiding the need to use an external EMC filter.
By filtering electromagnetic common mode noise on the grid side of an electrical device, the chokes eliminate EMI problems directly on a PCB, making them well suited for use in power supplies that are used in EV charging stations and robotics. Other typical applications include photovoltaic inverters, converters, uninterruptible power supplies and switch mode power supplies, LED lighting, communication devices and medical/laboratory equipment.
They offer a broad range of inductance ratings from 3 to 13 mH, with low magnetic leakage flux and the protection of a superior winding insulation. Schaffner is a Switzerland-based leader in electromagnetic solutions. Now a part of TE Connectivity, Schaffner was acquired by TE in 2023. See www.schaffner.com, www.te.com.
