Passives

Inductive components provide low losses & eddy currents

4th August 2015
Barney Scott
0

SMP Sintermetalle Prometheus has expanded the performance range of its products. The range of inductive components is designed for currents up to 3000A and frequencies up to 500kHz, which can be increased to as much as 2MHz in special applications. SMP uses powder composite materials that have been developed and manufactured entirely in-house and feature lower eddy current and magnetic reversal losses.

The inductive components of this medium-size, family-owned business are noted for their low loss balances, optimal EMC properties, quiet running and compact, lightweight design. They are also maintenance-free. The three-dimensional isotropy of the materials enables compact, lightweight structures, because the magnetic circuits are minimised. This also lowers the magnetic field strength, and the quantity of winding material used can be significantly reduced.

Special, magnetorestriction-free materials ensure that components run very quietly. These materials, which are developed and produced according to individual customer specifications, have a high saturation induction, up to 2 Tesla. Oscillation behavior of the choke can be adjusted specifically by using certain materials or appropriate, magnetically coupled constructions with multiple coils.

Depending on their application, the components are designed either as single-conductor chokes for high-current applications, individual chokes, choke modules or LC filters. They can be manufactured with dimensions ranging from 19 mm to 300 mm, weighing from 0.05 kg to 130 kg, and up to temperature class H (up to 180°C).

Protection classes up to IP66 are available according to the intended application. All components are RoHS and REACH compliant, and CE- and EAC certified. The materials used are UL listed. SMP has its own, UL approved insulation system and in-house capability to issue UL certification up to 1000A and 1000V; for higher currents and voltages, certification is carried out externally.

SMP's inductive components are used in industrial applications in power electronics, automation and signal processing, in drive engineering applications including railway technology, electromobility, maritime and medical engineering, for renewable energies as well as for energy supply and in the aerospace industry.

SMP develops and manufactures all the materials in-house according to individual customer specifications. SMP has also expanded its production and development facility to include an injection moulding department, so that it can design and manufacture customised insulation systems. Almost 100% of the products are custom-made. Consequently, SMP can offer outstanding manufacturing depth, starting with the selection of raw materials and continuing through the production of powder composite materials to the finished end product. Over 50% of the products are exported to destinations all over the world.

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