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November 2019 – UK’s Leading Heatsink Supplier

Published on: 11/11/2019

Delivering standard and customised thermal solutions throughout Europe for over 10 years by leading heatsink supplier

Heatsinks By GD Rectifiers


GD Rectifiers has a team of skilled in-house engineers that work around the clock to service our customers. We have been supplying industry-leading heatsinks for over 10 years, offering 160 profiles across 20 countries.

GD Rectifiers are a specialist designer and supplier of heatsinks and hardware, offering an extensive range of extruded heatsinks, LED heatsinks, force air cooled heatsinks, water/oil cooled heatsinks and cold plates, clamps for capsules, busbar insulators, busbars for modules, AC and DC axial fans, thermal trips and thermal compound.

As part of our all-encompassing commitment to providing outstanding customer service and state-of-the-art heatsinks across Europe, we pride ourselves on our experienced team of engineers that deliver expert technical support and advice to our clients. We offer an extensive range of design, production and manufacturing services catering to all customer design requirements and budgets. We work directly with customers on the design, production and manufacturing process, ensuring we deliver your high quality heatsinks on time and in budget.

Our heatsinks are RoHS compliant and our Intertek ISO 9001:2015 accreditation assures quality, safety and global sustainability.


UK’s Trusted Heatsink Supplier

Heatsink Design Services

  • CAD (computer aided design) drawings
  • Customised profiles
  • Projected cost and product timeline


Heatsink Production

  • Tooling Design
  • Prototyping and mass production
  • Manufacturing
  • Vast range of finishing options
  • Scheduled and call-off orders available


Heatsink Manufacturing

  • State-of-the-art CNC machinery
  • Latest production techniques
  • Rigorous quality control
  • Inspections
  • Robust packaging design


GD Rectifiers’ comprehensive range of heatsinks include:


Aluminium Heatsinks

Aluminium Heatsinks by GD Rectifiers

With over 160 profiles in stock, we offer a broad range of extruded heatsinks that range in size and thermal performance. We machine the largest range of heatsinks suitable for stud, modules and capsule semiconductors plus high power LED applications from our factory in Burgess Hill.

Shop Aluminium Heatsinks


Custom Heatsinks

Custom Heatsinks by GD Rectifiers


Alongside the 160 profiles we have in stock, we can also design and manufacture custom heatsinks designed specifically to customer specifications. Contact our team today to discuss your heatsink requirements.

Shop Custom Heatsinks


Forced-Air Cooled Heatsinks

Forced Air Cooled Heatsinks by GD Rectifiers

Forced-air cooled heatsinks are used for the cooling of power semiconductor modules for traction and auxiliary power units in rail vehicles, cooling in renewable energies and the cooling of frequency converters in soft starters or in large drives.

Forced-Air Cooled Heatsinks


Hollow Fin Heatsinks

Hollow Fin Heatsinks by GD Rectifiers


Our hollow fin heatsinks are manufactured with maximum thermal efficiency in mind. The hollow fins improve the forced air cooling thermal efficiency significantly.

Shop Hollow Fin Heatsinks


IXYS UK Heatsinks

IXYS UK Heatsinks by GD Rectifiers

IXYS UK provide a small range of high efficiency air cooled and solid fin heatsinks.

Shop IXYS Heatsinks


Semikron Heatsinks

Semikron Heatsinks by GD Rectifiers


Semikron offers a broad range of forced and natural air cooled heatsinks, available for capsules, insulated base modules and IPMs.

Shop Semikron Heatsinks


Solid Fin Heatsinks 

Solid Fin Heatsinks by GD Rectifiers


We offer an extensive range of solid fin heatsinks designed specifically for devices used in industrial controls, medical and military equipment, motor drives and power controls.

Shop Solid Fin Heatsinks


Water and Oil Cooled Heatsinks

Water and Oil Cooled Heatsinks by GD Rectifiers


We offer a wide range of high quality water coolers for isolated base thyristor, diode and IGBT modules.

Shop Water and Oil Cooled Heatsinks


Power Assemblies

Power Assemblies by GD Rectifiers

We provide total thermal solutions for customised designs for high power applications.

Shop Power Assemblies


GD Rectifiers’ heatsink range offers durable, sturdy and high quality thermal solutions. Alongside their technical expertise and on-going commitment to quality, they offer exceptional value and a fast turnaround, making sure customers receive them as quickly as possible. For further information on our extensive range of heatsinks visit our website here.


To discuss your enquiry with our specialist team of engineers, please call 01444 243 452 or email

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