1,000 V AC/DC AEC-Q200 common mode choke solution for EMI suppression in EVs & harsh environments

29 June 2022

KEMET SCF-XV is available in a vertical type with a smaller footprint & horizontal type with a lower height
KEMET SCF-XV is available in a vertical type with a smaller footprint & horizontal type with a lower height

With a nanocrystalline metal core, the SCF-XV from KEMET achieves higher inductance & impedance values, broader frequency response & smaller footprint than other common mode chokes currently available – making it ideal for high voltage automotive & harsh environment industrial EMI filtering applications, including EVs.

Electronic components supplier, KEMET, part of the YAGEO Group, has announced its new SCF-XV series of AEC-Q200 qualified common mode chokes. This series fulfills the growing need for high voltage automotive and harsh environment industrial EMI filtering applications.

The SCF-XV series offers up to 1,000 V AC/DC, the highest rated voltage. The nanocrystalline metal core results in a reduced footprint, rated current range from 5 to 35 A, DCR from 0.65 to 40.3 mO, an operating temperature from -40°C to +150°C, two different layouts (vertical/horizontal), and three different outer core diameters (19/25/29 mm). The toroidal coils are designed with nanocrystalline metal cores and are useful in various noise countermeasure fields.

These features position SCF-XV as an exceptional EMI suppression solution. This series addresses design engineers' needs with a wide variety of characteristics for automotive and harsh environment industrial applications (robotics, high voltage power supplies, high reliability) and completes KEMET's already existing automotive-grade common mode chokes portfolio including SCR-XV and SCT-XV.

Many solutions comparable to the SCF-XV use ferrite coils, are not always AEC-Q200 qualified, have a maximum 750 V AC/DC, and have a larger footprint. With a rated 1,000 V AC/DC and AEC-Q200 qualified, this series, together with SCR-XV and SCT-XV, is ideal for use in the EV (electric vehicle) automotive market. This series supports the industry’s trend to increase the vehicle-installed Lithium-ion battery pack voltage to limit drive train currents.

With its space-saving and high characteristics, this series also addresses the trend of miniaturization and operation in harsh environmental conditions. Applications include onboard chargers for EV/PHEV, E-compressors, wireless charging systems with 85 kHz, medium power drives for power steering, air conditioning and mild hybrid 48 V systems.

The SCF-XV series is available immediately via KEMET distributors. To learn more about its capabilities and applications, visit: www.kemet.com/en/us/new-products.html

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