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HAHN GmbH & Co. KG

Booth number: K 443

About us

The Hahn Group is a worldwide known company in the production field of transformers, flyback converters, SMPS and chokes, which be used in the range of photovoltaic, white goods industry, heating- and control technology, computer and electro-applications, communications and entertainment engineering and also industrial electronics. Individual requirements and customer-specific solutions will be implemented for the customer by the highly flexible production concept with proven technology and many years product experience. The company within the meaning of their mission statement "Performance that builds trust" is committed to the highest product quality and attendance.

Products and services

Product and service range

  • Transformers 0,35 to 1.000 VA
    • Printed circuit-board transformers
    • Flat-type transformers
    • RAST 5 transformers
    • Special transformers
    • Transformers for Top-Hat-Rail Fixtures
    • Safety transformers
    • Control transformer
    • 1- and 3-phase transformers
    • Encapsulated and non-encapsulated transformer
  • Current- and Voltage transformers
  • SMPS-transformers
  • Chokes with iron powder core, ferrite core or iron core
  • Coil production of any type
  • Winding goods production of any type
  • Toroidal chokes
  • Ignition transformers and electronic ignition devices

News & Innovations

Active PFC-choke series 

The high demand of "passive PFC choke series" and the demands of our customers for greater achievements enables HAHN to present now the "active PFC-choke series".

The "active PFC-choke series" takes place in the circuit topologies DCM (Discontinuous conduction mode) and CCM (Continuous conduction mode) application and meets the requirements of the major manufacturers of power regulators. It will be implemented in the pot core design PQ, which acquires highest efficiency in its small dimensions. The new choke series includes an inductance ranging from 50µH to 1000µH, divided into appropriate intermediate steps. This current value of 1.5 A to 16.5 A can be achieved with a frequency response of 500 kHz. The "Active PFC-choke series" is characterized by very high impulse withstand voltage due to the use of high-quality enameled copper wire, so that intermediate circuit voltages up to 600 V / DC are easily possible.

The withstand voltage value between auxiliary and power winding of the choke series is 2 kV and 2.5 kV from windings to the core. Furthermore HAHN sets on UL listed materials, corresponding to the insulation class F (155 ° C). In addition, these materials are compliant to the HAHN insulation system HAHN 155-2 (E237745). We also generate solutions, which exactly meet your requirements. The development team and the technical support of HAHN will be happy to help you.

HAHN GmbH & Co. KG


HAHN GmbH & Co. KG
Bellersheimer Str. 45
35410 Hungen

Phone: +49 6402 8080
Fax: +49 6402 80860

Marta Hahn
Managing Director / Head of Sales
Phone: +49 6402 8080

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