March 20, 2026 /SemiMedia/ — Vishay Intertechnology, Inc. has introduced a space-grade surface-mount common mode choke, targeting EMI filtering in high-frequency power designs based on GaN and SiC devices.

Fast switching edges in wide bandgap designs often lead to higher radiated noise. The new SGCM05339 is designed to provide high impedance over a wide frequency range, helping reduce common mode noise in DC/DC converters and distributed power systems.

The device uses a nanocrystalline core with a self-shielded structure to improve noise suppression while maintaining compact size. It supports current ratings up to 14.43 A and operates across a temperature range from -55°C to +130°C, making it suitable for aerospace and other harsh environments.

To meet reliability requirements, the choke is built with a rugged overmolded construction and complies with outgassing standards such as ASTM-E595. It also supports screening options including MIL-PRF-27 and MIL-STD-981.

The SGCM05339 offers a dielectric withstand voltage of 1000 VRMS and insulation resistance of at least 10 GΩ at 500 VDC. Design options such as turn count and wire gauge can be adjusted based on application needs.

Samples are available now, with typical lead times of 8 to 12 weeks. For more information, please visit https://www.vishay.com/en/product/34682/