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Welcome to PSMA
   We are pleased to welcome six new member companies this quarter. We hope your company is a member. To learn about the benefits of membership, please visit our web site

ABCsWorld Consulting
Alain Charles
1302 Steinhart avenue
Redondo Beach, CA 90278
Telephone: 424-321-1712
Web Site:

ABCsWorld Consulting is a Power Semiconductor Consulting Company founded by Dr. Alain Charles in 2021. Dr. Charles is a 35 year semiconductor industry veteran. His international career includes working for Motorola in the US and Germany, Chartered Semiconductor (today Global Foundries) in Singapore, and International Rectifier/ Infineon in the UK and the US. He received his Ph.D. in 1989 from the Institut National des Sciences Appliquées (INSA) de Toulouse, France for his work on optical lithography for microelectronics.

Through his career, Dr. Charles has been involved in most of the key technology changes of the semiconductor industry, including subwavelength pattern printing, to larger wafer (300mm) technology development to power efficiency and introduction of wide bandgap semiconductors. He brings to ABCsWorld Consulting this experience in the semiconductors industry worldwide, and in particular in the field of power devices and wide band gap semiconductors.


Allelco Limited
Bruce Choi
Flat/Rm C, 13/F Harvard Commercial Building
105-111 Thomson Road
999077 Wan Chai, Hong Kong
Telephone: +00852 9146 4856

Allelco Limited has focused on the international market since 2012 and has more than 10 years of information technology and sales experience in electronic components, ICs and power supplies. Since its founding, Allelco's business has expanded internationally, winning extensive trust and support from customers around the world. Headquartered in Hong Kong, Allelco Limited focuses on the international market, with customers worldwide in America, Europe, Asia, and the Middle East.

Allelco Limited's products include DC-DC converters, AC-DC converters, capacitors, semiconductors and integrated circuits, which are widely used in the telecommunications, automotive electronics, computer, military, civil, and other electronic industries. In order to optimize the needs of their customers to the greatest extent, Allelco is committed to the three concepts of customer first, quality first, and reputation first.


Robert N Guenther Jr
2181 Silverspur Dr.
Marysville, OH 43040
Telephone: 609-273-7581

GPEM LLC is a small power electronic consulting company with considerable expertise in the design and testing of high frequency, high power, and high voltage ac-dc and dc-dc conversion equipment oriented towards industrial applications. The owner has considerable design experience in the ranges of 50/60Hz to200 kHz, 10kW to 500kW, and 10kV to 300kV power supplies.

GPEM LLC was founded in 2020 by Robert Guenther. Robert has nearly 50 years experience designing power supplies and magnetic components for demanding industrial applications with high ambient temperature, often in outdoor operation, and many times connected to HV loads that arc frequently. For the past 24 years, he has focused his efforts on the design of switchmode power supplies with HV output levels (10kVdc-300kVdc) at up to 600kW.  An IEEE Life Fellow, he has been active in the IEEE since 1976.


Nac Semi
James Charlton
1790 Commerce Avenue North
St. Petersburg, FL 33716
Telephone: 727-350-7788
Web Site:

NAC Semi is a global distributor of electronic components with a primary focus on power semiconductors, power supplies, inverters, and other related products. NAC bridges the gap between the catalog houses and large fulfillment distributors. With a diverse linecard, NAC supports the design needs of customers in specific market segments including Power, Mil-Aero, Hi-Temp Industrial, Networking/Wireless, Electric Vehicles, & Traction.  NAC specializes in solutions selling and demand creation distribution services, building mutually beneficial partnerships with customers and suppliers.

NAC works with customers from industrial, automotive, renewable energy, and EV Charging on NPI development utilizing wide bandgap semiconductors and related components such as thermal management, resistors, capacitors, busbars, and gate drivers. The company's revolutionary technologies have produced a robust portfolio of commercial innovations in large adjacent markets such as power management, energy storage, electric mobility, fast charging, life sciences, and more.


Victor Veliadis
930 Main Campus Drive
Suite 200
Raleigh, NC 27606
Telephone: 443-255-9899
Web Site:

PowerAmerica is a member-driven consortium of more than 70 companies, universities, and national labs accelerating the adoption of energy efficient silicon carbide (SiC) and gallium nitride (GaN) power semiconductor technologies. PowerAmerica was founded in 2015 and is headquartered at North Carolina State University with the objective is to reduce the cost and the perceived risk inherent with this new technology.

With the backing of the U.S. Department of Energy and engagement of top researchers, PowerAmerica exchanges knowledge and processes and provides access to an educated workforce. This enables American industry to develop more innovative power electronics products and systems. Harnessing the capabilities of wide bandgap semiconductors can lead to dramatic energy savings in industrial processes, data centers, and consumer devices; increase electric vehicle driving range; and help integrate renewable energy onto the electric grid resulting in tangible environmental benefits.


Standex Electronics
Michael Farrere
4150 Thunderbird Ln
Fairfield, OH 45014
Telephone: 513-222-2781
Web Site:

Standex Electronics is a worldwide market leader in the design, development, and manufacture of standard reed switch-based solutions & custom magnetics and power conversion components and assemblies. Magnetics offerings include planar, current sense, and conventional low- and high-frequency transformers and inductors. Reed switch-based solutions include Meder, Kent, and KOFU brand reed switches, as well as a complete portfolio of reed relays, and a comprehensive array of fluid level, proximity, motion, water flow, HVAC condensate, hydraulic pressure differential, capacitive, conductive and inductive sensors.

Standex Electronics offers engineered product solutions for a broad range of product applications in the transportation, automotive, medical, test and measurement, military and aerospace, aviation, HVAC, appliance, security and safety, and general power and industrial markets. Headquartered in Cincinnati, Ohio, USA, Standex Electronics has eight manufacturing facilities in six countries, located in the United States, Germany, China, Mexico, the United Kingdom, and Japan.


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