New Vishay Intertechnology Space-Grade Common Mode Choke Provides EMI Filtering for GaN and SiC Switching Applications

Vishay (NYSE: VSH) introduced the SGCM05339, a space-grade surface-mount common mode choke for GaN and SiC switching, power converters, and solar panel inverters.

Rhea-AI Summary

Vishay (NYSE: VSH) introduced the SGCM05339, a space-grade surface-mount common mode choke for GaN and SiC switching, power converters, and solar panel inverters. The device features a nanocrystalline core, overmolded ruggedized construction, and outgassing compliance per ASTM-E595.

The SGCM05339 supports heat-rating currents up to 14.43 A, continuous operation from -55 °C to +130 °C, dielectric withstand of 1000 VRMS, insulation resistance ≥ 10 GΩ, and selectable screening to MIL and EEE standards. Samples and production quantities are available with lead times of 8 to 12 weeks.

Positive

• Heat-rating current up to 14.43 A
• Continuous operating range -55 °C to +130 °C
• Dielectric withstand voltage of 1000 VRMS

Negative

• Typical lead times of 8–12 weeks
• DC resistance up to 0.1318 Ω per winding

Argus Mar 18 session

-1.07% close to close Open Argus

Details

News Market Reaction – VSH

In the Mar 18 session, VSH declined 1.07%, reflecting a mild negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Context

This announcement adds a space-grade common mode choke to Vishay’s portfolio, aimed at GaN and SiC p...

Analysis

This announcement adds a space-grade common mode choke to Vishay’s portfolio, aimed at GaN and SiC power designs that demand EMI control and reliability. With currents up to 14.43 A, operation from -55 °C to +130 °C, and compliance with standards like ASTM-E595 and MIL-PRF-27, it targets aerospace and defense markets. In context of other recent product launches and a steady dividend, investors may watch for evidence of design wins, adoption in power systems, and how it complements Vishay’s broader discrete and passive components strategy.

Key Figures

Heat rating current: up to 14.43 A Operating temperature range: -55 °C to +130 °C Dielectric withstand voltage: 1000 VRMS +5 more

Heat rating current

up to 14.43 A

Space-grade common mode choke SGCM05339

Operating temperature range

-55 °C to +130 °C

Continuous operating temperature for SGCM05339

Dielectric withstand voltage

1000 VRMS

SGCM05339 insulation specification

Insulation resistance

10 GΩ at 500 VDC

Minimum insulation resistance for SGCM05339

Lead time

8 to 12 weeks

Samples and production quantities availability

Inductance per winding

320 µH to 10 400 µH

Device specification table for SGCM05339

Common mode impedance

540 Ω to 3600 Ω

Typical common mode impedance range

DC resistance per winding

0.0029 Ω to 0.1318 Ω

Maximum DC resistance per winding

Historical Context

5 past events · Latest: Mar 04

5 events

1. Mar 04

   Product launch (LED)

   24h Move

   -0.9%

   Launch of compact tricolor RGB LED with high intensity and wide color range.

2. Feb 25

   Product launch (optocouplers)

   24h Move

   +2.5%

   Industrial-focused phototransistor optocouplers with low forward current and high isolation.

3. Feb 18

   Product launch (resistors)

   24h Move

   +3.8%

   Ultra-compact thick film chip resistors reducing PCB area while maintaining reliability.

4. Feb 12

   Dividend declaration

   24h Move

   -2.6%

   Quarterly cash dividend of $0.10 per share announced for common stockholders.

5. Feb 11

   Product launch (resistors)

   24h Move

   +4.3%

   Sulfur-resistant thick film chip resistors with long-term stability for automotive and industrial use.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

common mode choke, emi, sic, dc/dc converters, +2 more

6 terms

common mode choke technical

"introduced a new space-grade, surface-mount common mode choke designed to provide"

A common mode choke is a small magnetic component made of paired coils that blocks or reduces unwanted electrical noise on power or signal lines while letting the desired current pass. Think of it as a traffic controller that keeps disruptive interference from wandering into sensitive parts of an electronic device. For investors, it matters because its presence affects product reliability, compliance with regulatory limits on electromagnetic interference, manufacturing cost and supply-chain risk for companies that build electronic equipment.

emi technical

"common mode choke designed to provide EMI filtering and noise suppression in"

An EMI is a UK tax-advantaged employee share option plan that lets a company grant executives and staff the right to buy shares at a preset price after a vesting period. It matters to investors because it aligns employees’ incentives with company performance—like giving key workers a stake in the business—while potentially diluting existing shareholders and changing future earnings per share when options are exercised.

sic technical

"ideal for GaN and SiC switching applications, where sharp edges develop in"

Sic is a short notation placed immediately after a quoted word or passage to show the text is reproduced exactly as it appeared in the original source, even if it contains a typo, odd phrasing, or factual error. For investors, it signals that any mistake or unusual wording came from the original speaker or document, not from the publisher—like an editor saying “this is how it was said,” which helps with accuracy, responsibility, and legal clarity.

dc/dc converters technical

"used in low profile, high current power supplies; DC/DC converters in distributed"

A dc/dc converter is an electronic device that changes one direct-current voltage level to another—raising or lowering the voltage so electronic components and batteries get the right power. For investors, its efficiency, size and reliability matter because better converters improve product battery life, reduce heat and material costs, and can make devices more competitive, affecting manufacturing costs, margins and market adoption.

astm-e595 regulatory

"Outgassing compliant per ASTM-E595, the device released today is available"

ASTM E595 is an industry standard test that measures how much volatile material a solid product releases when heated in a vacuum, commonly used for parts destined for spacecraft, optics, or other sensitive equipment. Investors should care because passing this test demonstrates that materials won’t emit contaminants that could foul delicate systems or violate contract and regulatory requirements, reducing risk of costly fixes, delays, or rejected shipments—think of it like checking whether a new paint gives off fumes that would spoil a sealed, high-precision room.

mil-prf-27 regulatory

"including MIL-PRF-27, Grade 5, Product Level T, Temperature Class S; MIL-STD-981"

A U.S. military performance specification for certain lubricating greases used on aircraft and military equipment, defining required properties, tests and quality levels. For investors, MIL-PRF-27 matters because products or suppliers certified to this spec are eligible for defense contracts and can win or retain government business; think of it as an official recipe and quality checklist buyers use when choosing parts and suppliers.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Surface-Mount Device Features a Robust Nanocrystalline Core and Overmolded, Ruggedized Construction for Reliable Performance in Harsh Environments

MALVERN, Pa., March 18, 2026 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new space-grade, surface-mount common mode choke designed to provide EMI filtering and noise suppression in demanding space, aerospace, and defense applications.

The Vishay Custom Magnetics SGCM05339 is ideal for GaN and SiC switching applications, where sharp edges develop in waveforms, causing radiated emissions. The common mode choke will also be used in low profile, high current power supplies; DC/DC converters in distributed power systems; and power converters for solar panels.

To withstand the harsh environments of these applications, the self-shielded device features a compact, robust nanocrystalline core and an overmolded ruggedized construction. The SGCM05339 offers high impedance at extended frequencies, supports high heat rating current capabilities of up to 14.43 A, and provides a continuous operating temperature range from -55 °C to +130 °C.

Outgassing compliant per ASTM-E595, the device released today is available with a wide range of screening options, including MIL-PRF-27, Grade 5, Product Level T, Temperature Class S; MIL-STD-981 Family-4, Class S; and EEE-INST-002. The SGCM05339 offers a dielectric withstand voltage of 1000 V_RMS, insulation resistance of 10 GΩ (minimum) at 500 V_DC, and can be customized by turn count, wire gauge, and more to meet specific application requirements.

Device Specification Table:

Part number	SGCM05339
Inductance per winding	320 µH to 10 400 µH
Common mode impedance (typ.)	540 Ω to 3600 Ω
DC resistance per winding (max.)	0.0029 Ω to 0.1318 Ω
Heat rating current (typ.)(¹)	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

⁽¹⁾ DC current (A) through the windings in series that will cause an approximate ΔT of 30 °C

Samples and production quantities of the new space-grade common mode choke are available now, with lead times of 8 to 12 weeks.

Vishay manufactures one of the world’s largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. Serving customers worldwide, Vishay is The DNA of tech.^® Vishay Intertechnology, Inc. is a Fortune 1000 Company listed on the NYSE (VSH). More on Vishay at www.Vishay.com.

The DNA of tech^® is a registered trademark of Vishay Intertechnology, Inc.

Vishay on Facebook: http://www.facebook.com/VishayIntertechnology
Vishay Twitter feed: http://twitter.com/vishayindust

Links to product datasheets:
http://www.vishay.com/ppg?34682 (SGCM05339)

Link to product photo:
https://www.flickr.com/photos/vishay/albums/72177720332489717/

For more information please contact:
Vishay Intertechnology
Peter Henrici, +1 408 567-8400
peter.henrici@vishay.com
or
Redpines
Bob Decker, +1 415 409-0233
bob.decker@redpinesgroup.com

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is the Vishay SGCM05339 common mode choke (VSH) and its primary use?

The SGCM05339 is a space-grade common mode choke for EMI filtering in GaN and SiC switching applications. According to the company, it targets space, aerospace, defense, and high-current power converters where sharp switching edges cause radiated emissions.

What current and temperature specifications does the SGCM05339 (VSH) support?

The device supports heat-rating currents up to 14.43 A and continuous operation from −55 °C to +130 °C. According to the company, these ratings suit harsh-environment power supplies and converters used in aerospace and defense.

Which screening standards and compliances does the SGCM05339 (VSH) offer?

The SGCM05339 is available with MIL-PRF-27 Grade 5 Product Level T, MIL-STD-981 Family-4 Class S, and EEE-INST-002 screening options. According to the company, it is outgassing compliant per ASTM-E595 for space applications.

What electrical performance ranges are specified for the SGCM05339 (VSH)?

Inductance ranges from 320 µH to 10,400 µH with common-mode impedance typically 540 Ω to 3,600 Ω. According to the company, DC resistance per winding ranges from 0.0029 Ω to 0.1318 Ω depending on configuration.

When can customers obtain samples or production quantities of the SGCM05339 (VSH)?

Samples and production quantities are available now with lead times of 8 to 12 weeks. According to the company, customization by turn count and wire gauge is offered to meet specific application requirements.