About PSL

About PSL

PSL Assemblies Limited have designed and manufactured power semiconductor stacks with optimised thermal management since 1976.

A comprehensive CNC precision machining facility, electrostatic-protected assembly, design, testing and thermal simulation – all contained within one factory in Dunstable, United Kingdom.

PSL combines innovation, design, and technical expertise with extensive in-house manufacturing, testing & assembly facilities.

Supporting the global Power Electronics marketplace, PSL manufacture Power Semiconductor Stack Assemblies and Engineered Thermal Management Solutions for a wide range of industrial electronic applications including: Medical Equipment, hospital & whole-building UPS back-up power supplies, Rail Traction, Hybrid Trains, HVDC, Nuclear Power Generation, LED Lighting, Renewable Energy, Electric Passenger Vehicles, Electric Construction Vehicles, Electric Agricultural Vehicles , Big Science, Laser, Welding, Offshore Oil & Gas, Refinery and Marine.

Efficient thermal management is critical to the reliability and performance of power electronic equipment and semiconductor stack assemblies. Choosing the right cooling solution for your unique electronics application is essential in prolonging the lifespan of both electronic components and power electronic systems.

From heatsink design through to complex turnkey power electronic assemblies, PSL offers a truly world-class service in the design & manufacture of all types of Standard Extrusion Heatsinks, Bonded Fin Heatsinks, Liquid-Cooled Plates, Semiconductor Stack Assembly, Sub-system Assembly, Electronic Box-Build and Thermally-Managed Electronics Enclosures.