Company identity
Company number 03824626
Company profile
UK company 03824626, incorporated on 13 August 1999.
Dynex High Power Semiconductors and Power Assemblies
Dynex Semiconductor has a rich history in design, development and production of High Power Semiconductor modules and Power Assemblies for specialist applications
Company number 03824626
Reference milestones and recent Companies House filing stream events.
Next accounts due date
CS01 | Transaction MzUzNzU1OTM2OWFkaXF6a2N4
Published 09 Aug 2026 09:48
Next confirmation statement due date
PSC02 | Transaction MzUzNzUzMDI2MmFkaXF6a2N4
Published 07 Aug 2026 10:17
PSC09 | Transaction MzUzNzUyOTM1MGFkaXF6a2N4
Published 07 Aug 2026 10:11
Last confirmation statement made up date
Last accounts made up date
Company registered at Companies House
1 Feb 2022 to 31 Jan 2024
Demand for electrification technologies and systems (including power electronics, electrical machines, drives, automation and control systems) is growing. This growth is both i) to meet increased demand for electric power in industrial applications including marine, energy, infrastructure and process industry sectors, and ii) to enable reduction of greenh...
1 May 2020 to 31 Oct 2021
NA
1 May 2018 to 31 Dec 2020
BEV/PHEVs provide a number of advantages including superior driver comfort and lower emissions. However, there are a number of technical challenges which still impede their widespread adoption, such as the unexpected and unbalanced load on the grid, and cost and range anxiety. Therefore, power suppliers and automotive manufacturers are working towards V2G...
1 Jul 2017 to 30 Jun 2019
EV/HEVs provide a number of advantages including superior driver comfort and lower emissions. However there are a number of technical challenges which still impede their widespread adoption. Cost, safety and range anxiety are topical issues and so automotive manufacturers go to great lengths to reduce the weight of their vehicles to improve performance. I...
1 Apr 2017 to 31 Mar 2018
TRASiCA will demonstrate the gains in performance and system lifetime that can be brought about in the traction industry by integrating silicon carbide (SiC) power device technology into existing systems. A ‘hybrid SiC’ power module incorporating SiC power diodes with state-of-the-art Si trench IGBTs will be produced for Dynex Semiconductor’s customer Fer...
1 Jun 2016 to 31 May 2019
To develop a general and extensible software platform to simulate the operation of a wide range electrical machine topologies and power converters to enable rule based selection of power devices for specific electric vehicle applications.
1 Nov 2015 to 31 Oct 2017
The advantages brought by Hybrid and Electric Vehicles (HEV/EV) such as being environmentally friendly, less dependent on fossil fuels, cost effective in long term operation etc, HEV/EV has highly focused governments and car manufacturers. Power control is essential in HEV/EV powertrain systems of which the core part is the power IGBT modules. The require...
1 Jul 2014 to 31 Jul 2017
This project will demonstrate a novel cost effective compact diesel electric propulsion system initially for bus vehicle application that fits within the current space envelope of a diesel engine and, due to its wide application (as it is suitable for retrofit as well as new build), will deliver significant reductions in CO2 emissions compared to current ...
1 May 2014 to 31 Jul 2017
The improvement of the UKs energy infrastructure is critical moving into a low carbon economy. A paradigm shift in technology will be required in order to cope effectively with an ever increasing amount of renewable energy being brought online. The UK has committed to connecting 32,000 MW of offshore wind power by the year 2030 in an effort to meet ambiti...
1 Jan 2014 to 31 Dec 2016
Direct State of Health Measurement for Power Devices (DiSoHM) is a project which brings together academia and industry with the objective of developing an in-situ health monitoring device that is able to detect and quantify the health of a power electronics module. DiSoHM wil dramatically increase the availability of power electronics systems embedded in ...
1 Nov 2013 to 31 Jan 2016
A collaborative project will be undertaken between Versarien Technologies Limited, Applied Materials Technology Limited and Dynex Semiconductor Limited which will seek to develop a technology capable of providing world leading thermal management specifically for use in the power electronic modules of electric vehicles and plug-in hybrid electric vehicles....
1 Dec 2012 to 30 Nov 2015
DC/DC converters are essential in electric and hybrid electric vehicles. These electronic devices step-up or step-down the battery voltage to a voltage level that suits the electric motor, the cabin supply or other essential loads. Current DC/DC converters are still expensive and heavy. A consortium of six UK manufacturers (Lotus, Turbo Power System, Indu...