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Vishay Unveils Space-Grade EMI Choke
Vishay Intertechnology introduces rugged common mode choke for GaN and SiC power applications.
www.vishay.com

Vishay Intertechnology has launched the SGCM05339, a space-grade surface-mount common mode choke designed for EMI filtering and noise suppression in demanding aerospace, defense, and power electronics applications.
Designed for high-frequency switching environments
The SGCM05339 is optimized for GaN and SiC switching applications, where fast switching edges generate significant electromagnetic interference (EMI).
Typical use cases include:
- DC/DC converters in distributed power systems
- Low-profile, high-current power supplies
- Solar power converters
- Aerospace and defense electronics
Robust construction for harsh environments
To ensure reliability in extreme conditions, the device features:
To ensure reliability in extreme conditions, the device features:
- Nanocrystalline core for high-frequency performance
- Self-shielded design to minimize EMI
- Overmolded ruggedized construction for durability
It supports:
- Operating temperatures from -55°C to +130°C
- High current capability up to 14.43 A
- High impedance across extended frequency ranges
Compliance with space and military standards
The SGCM05339 meets stringent requirements for space-grade applications, including:
The SGCM05339 meets stringent requirements for space-grade applications, including:
- ASTM-E595 outgassing compliance
- Screening options such as:
- MIL-PRF-27
- MIL-STD-981
- EEE-INST-002
Additional electrical characteristics include:
- 1000 VRMS dielectric withstand voltage
- Minimum insulation resistance of 10 GΩ at 500 VDC
The device can also be customized in terms of turn count and wire gauge to meet specific design needs.
Key performance specifications
Key performance specifications
- Inductance per winding: 320 µH to 10,400 µH
- Common mode impedance: 540 Ω to 3600 Ω
- Low DC resistance: 0.0029 Ω to 0.1318 Ω
- Leakage inductance: 0.35 µH to 7.75 µH
Availability
Vishay Intertechnology is offering samples and production quantities now, with lead times of 8 to 12 weeks.
Edited by an industrial journalist, Lekshman Ramdas, with AI assistance.
www.vishay.com
Vishay Intertechnology is offering samples and production quantities now, with lead times of 8 to 12 weeks.
Edited by an industrial journalist, Lekshman Ramdas, with AI assistance.
www.vishay.com

