Vishay Intertechnology Unveils Space-Grade Common Mode Choke for Advanced Applications
1. Introduction to the SGCM05339
On March 18, 2026, Vishay Intertechnology, Inc. (NYSE: VSH) announced the launch of its latest innovation—the SGCM05339, a space-grade, surface-mount common mode choke. This new component is engineered to provide effective electromagnetic interference (EMI) filtering and noise suppression, making it an essential addition to the rapidly evolving domains of aerospace, defense, and advanced switching applications, particularly those utilizing Gallium Nitride (GaN) and Silicon Carbide (SiC) technologies.
2. Addressing the Needs of Modern Applications
The introduction of the SGCM05339 comes at a time when the demand for reliable and efficient components in high-frequency applications is at an all-time high. The unique characteristics of GaN and SiC switching applications often lead to sharp waveform edges that can generate unwanted radiated emissions. The SGCM05339 is specifically designed to mitigate these concerns, thereby ensuring smoother operation in critical power systems.
Versatile Applications
The common mode choke is not only ideal for GaN and SiC applications but also finds utility in several other areas, such as:
- Low profile, high current power supplies
- DC/DC converters in distributed power systems
- Power converters for solar energy systems
These applications highlight the choke's versatility and its capability to meet the rigorous demands of various sectors.
3. Robust Construction for Harsh Environments
One of the standout features of the SGCM05339 is its ability to withstand extreme environmental conditions. The device boasts a self-shielded design, incorporating a compact and durable nanocrystalline core with an overmolded ruggedized construction. This ensures high performance even in the most challenging scenarios, including:
- A continuous operating temperature range from -55 °C to +130 °C
- High impedance at extended frequencies
- Support for heat rating current capabilities of up to 14.43 A
Compliance and Customization
In addition to its robust construction, the SGCM05339 meets stringent outgassing standards as per ASTM-E595, making it suitable for space-grade applications. It also offers a wide array of screening options, including:
- MIL-PRF-27, Grade 5, Product Level T, Temperature Class S
- MIL-STD-981 Family-4, Class S
- EEE-INST-002
Moreover, the device can be customized based on turn count, wire gauge, and other specifications to cater to specific application needs.
4. Technical Specifications
The technical specifications of the SGCM05339 underline its capabilities:
| Parameter | Value |
|---|---|
| Inductance per winding | 320 µH to 10,400 µH |
| Common mode impedance (typ.) | 540 Ω to 3,600 Ω |
| DC resistance per winding (max.) | 0.0029 Ω to 0.1318 Ω |
| Heat rating current (typ.) | 2.02 A to 14.43 A |
| Peak impedance frequency | 2.06 Hz to 31.74 Hz |
| Leakage (max.) | 0.35 µH to 7.75 µH |
*Note: The heat rating current indicates the DC current through the windings that will cause an approximate temperature rise of 30 °C.*
5. Availability and Future Prospects
Vishay has confirmed that samples and production quantities of the SGCM05339 are available immediately, with lead times estimated between 8 to 12 weeks. This quick turnaround is expected to meet the increasing needs of manufacturers and developers in the aerospace and defense sectors.
6. Conclusion
With the launch of the SGCM05339, Vishay Intertechnology continues to solidify its position as a leader in the semiconductor and passive electronic components market. By addressing the specific challenges of EMI and noise suppression in high-demand applications, Vishay is not only enhancing operational efficiency but also contributing to the advancement of technology in critical industries. As the company aptly concludes, it is indeed "The DNA of tech."®
