Oilfield Services / High Pressure & High Temperature

Sigma Electronics has been designing and manufacturing custom transformers and related wire wound magnetic products for the Oilfield Service Industry for more than 45 years. Sigma provides extensive engineering and production experience providing components for down hole tools used in the Oilfield Service Industry that require special consideration due to envelope size requirements, and operating environment and conditions such as high pressure high temperature, up to 260°C. With over 10,000 designs in house, products include transformers, inductors, chokes, solenoid coils, and other related magnetic products.

Sigma is located Houston, Texas with manufacturing capabilities in Mexico and Asia. Equipped with the most innovative computer-aided designs, and Voltec AT 3600 test equipment we provide high quality reliable products with reasonable lead times. Each unit manufactured by Sigma is marked with a date code, assigned a serial number and receives 100% in-process and final testing. Our quick turn flexible prototype manufacturing makes us unique in the manufacturing of high pressure and high temperature wire wound magnetic products needed for your oilfield applications. All Sigma manufacturing facilities are ISO 9001:2015 certified.

Our highly knowledgeable engineers can design a new part or modify, and or duplicate an existing part for your applications. The management team and staff at Sigma continuously research new concepts and developments in materials and technology. We can provide the most advanced transformers and custom wirewound magnetics available.

The Sigma staff is readily available to assist you with your design or application. Contact us today to discuss your design and manufacturing needs.

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or call us today at 800.874.7121