Magnetics Epcos (Siemens Matsushita Components), Germany TDK Ferroxcube
North West Laboratory

Engineering Center SZL and LEPCOS
— General representative of Epcos AG by ferrite in the CIS
— Official distributor and general representative for ferrites of
    TDK Electronics Europe Gmbh in the CIS
— Authorized distributor of Magnetics in Russia, CIS and Baltic countries
— Exclusive distributor of USM in Russia and CIS countries
— Official Distributor Temex Ceramics in Russia and CIS
Products » Transformers, chokes and inductors manufacturing »

Transformers, chokes and inductors manufacturing

Transformers, chokes and inductors manufacturing Scientific-Тechnical Center «North-Western Laboratory» founded in 1993 is one of the biggest enterprises in Russia specializing in inductors and transformers contract manufacturing. Components manufacturing is realized according to customers documentation or technical requirements.

More than 100 employees of the enterprise provide an annual issue of more than 1.5 million winding components with power ranging from units of watts up to 100 kW operating in the frequency range from a few Hz to 100 MHz.

STC «North-West Laboratory» specializes in the design and manufacture of transformers, chokes and coils based on ferrite powder cores as well as amorphous and nanocrystalline cores.

Using the modern magnetic materials with extreme electromagnetic parameters combined with many years' experience in development and production of winding components provide high quality and reliability of our products. All products are tested by Quality Control department.

The construction of the transformers satisfy the requirements:

  • GOST 12.2.006-87 — «Radio-electronic household equipment. Safety requirements and test methods.»
  • GOST 25570-87 — «Safety of household and similar electric apparatus. General requirements and test methods.»

Specialists of our company manufacture individual and serial products of any complexity class based on many years' professional experience in the designing and manufacturing of signal and power transformers and chokes.
Documents execution is produced in accordance with the requirements of state standards of Unified System of Engineering Drawings, Unified system for technological documentation. Manufacturing of products could be accompanied by the release of the specifications of the National Standards «Climate 7» and Weapons and Military Equipment (WME).

A modern machine tools park for the layer winding and the toroidal winding provides high labor productivity combined with the wide nomenclature of modern completion materials at competitive prices. This lays the foundation for our significant advantages in quality, cost and delivery times in favor of forming your orders for our production.

In accordance with the requirements of documentation our manufacturing is carried out:

  • impregnation varnish
  • impregnation compound
  • vacuum impregnation
  • strengthening winding insulation
  • control strength of insulation breakdown
  • control electromagnetic parameters embedded in the winding map

Collaboration with the largest winding factory of the company Epcos in Zhuhai (China) provides an additional opportunity to the timely implementation of almost any volume of the order.

Photos winding products

Каталог моточных изделий
09.10 19 

LEPCOS invites you to attend the Stand C23 at ChipEXPO 2019 exhibition, which will be held from 16 to 18 October 2019 in Moscow in the Expocentre, in the pavilion "Forum".


26.06 19 
According to the results of 2018 Lepcos has received "best ferrites seller 2018" seal of excellence from TDK company.

18.04 19 
Dear colleagues! We would like to draw your attention to the fact that, since December 2018, the package content of electrolytic capacitors has been changed.


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Development & support — Marina Kutuzova