FL

Flux

Flux A/S

Asnæs, Denmark

SpaceAir SystemsNaval SystemsDual-use
Founded 1980Component SupplierSupplies Defense Industry
Profile last updated: March 12, 2026

About

Founded in 1980, Flux is a defense component supplier based in Asnæs, Denmark working in space, air systems, naval systems.

Flux develops and manufactures magnetic components, including inductors, transformers and chokes, for power supplies. Its main markets are space and defence, renewable energy, eMobility and EV charging, and industrial applications. Founded in 1980 and headquartered in Asnæs, Denmark, the company produces space and defence components manually by certified staff in Denmark and high-volume electronics components at its factory in Thailand. Flux is an ESA-qualified supplier and a Technology Flow Qualified Manufacturer, and it supplies custom and standard-range components for commercial and traditional space programmes, aerospace and defence applications, including fighter aircraft and naval ships. The company is part of DiscoverIE Group plc.

Location

Asnæs, Denmark

Founded

1980

Company type

Subsidiary

Legal name

Flux A/S

VAT number

DK25300040

Focus areas

magneticsinductorstransformerschokesspacedefenceESAESCCpower suppliescustom magnetics

Languages

ENDA

Products & capabilities

Defense domains

SpaceAir SystemsNaval Systems

Supply-chain role

Component Supplier

What they offer

HardwareComponentsManufacturing ServicesEngineering Services

Markets

Also sells to civilian markets

Products

Chokes

Magnetic component

Coiled inductors that block high-frequency AC and pass DC and low-frequency AC, used in power supplies for EV charging, audio, and satellite electronics.

Transformers

Magnetic component

Power transformers for galvanic isolation or step-up/down voltage in power supplies, typically 1W to 10kW, including custom designs.

Inductors

Magnetic component

Energy-storage inductors for switching power supplies, including standard toroid and planar SMD series and custom designs for space and industrial use.

MIL-STD-1553 BUS Transformers

Bus transformer

Standard transformers available in RM5 SMD and THT formats for MIL-STD-1553 bus applications.

Current Sense Transformers

Magnetic component

Standard current sense transformers for defence and space and industrial applications.

End users

Defense Industry

Standards, platforms & customers

Defense standards

AQAP 110MIL-PRF-27MIL-STD-1553ESCCEN 9100ESA Technology Flow Qualification

Platforms & programmes

Iridium NEXTElectrical Propulsion Unit

Named customers

Airbus Defence & Space

Credentials & affiliations

Certifications

ISO 9001

Issued by: TUV Rheinland
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ISO 14001

Issued by: TUV Rheinland

IATF 16949

Issued by: BSI

ISO 45001

AS9100

Issued by: Flux A/S

ESA Qualified Manufacturer (ESCC)

Issued by: European Space Agency

Other defense companies in Denmark

View all