Power Assemblies and Controllers

March 2018 - Heat Dissipation Solutions

Published on: 27/03/2018

Explore your heat dissipation options for your next project today

Heat Dissipation by GD Rectifiers


Heat dissipation, often known as thermal management is required in all electronic devices and circuitry to prevent the devices from overheating. Heat dissipation devices increase a products reliability and helps prevent premature failure.   


GD Rectifiers offers a wide range of heat dissipation solutions, including: six types of heatsinks and four types of power assemblies.


GD Rectifiers Heatsinks

We offer a wide range of extruded aluminium heatsinks, available from stock or made to order. All extrusions can be supplied as cut lengths or drilled and machined to customised specifications. We operate the latest CNC drilling and machining centres which provide precision-cut, cost efficient heatsinks on short lead times.

Aluminium Heatsinks

Custom Heatsinks

Forced-Air Cooled Heatsinks

Hollow Fin Heatsinks

Solid Fin Heatsinks

Water & Oil Cooled Heatsinks


GD Rectifiers Power Assemblies

We offer a wide range of power assemblies designed using high thermal conductivity aluminium plates for maximum heat dissipation. We specialise in the design of assemblies such as rectifiers, regulators, inverters, selenium suppressors, firing circuits/trigger modules and single phase, three phase and hexaphase assemblies. We utilise the experience of our mechanical, electrical and power electronics engineering experts to test, design and deliver the best technology in our products. 

Single Phase Assemblies

Three Phase Assemblies

Photovoltaic Triple Diode Assemblies

Hexaphase Assemblies


Why use GD Rectifiers’ Heatsinks? 

-       Energy efficient

-       More cost effective than fully machined assemblies

-       Massive range of standard shapes and sizes available and in stock

-       Easily customised for any application

-       Significant weight advantage over copper

-       Offer a wide range of finishing options


Finishing Options for Heatsinks

Anodising – natural, black, silver, colours, semi hard

Zinc – zinc and clear passivate, zinc and colour passivate, zinc and black passivate, zinc/iron, Zinc nickel


Phosphate and black satin

Alocrom 1000, 1200

Surtec 650

Iridite NCP

Tin dull

Tin bright

Barrel zinc

Barrel nickel

Barrel Copper

Chemical blackening steel

Chemical blackening S/S

Passivation S/S


Why use GD Rectifiers Power Assemblies? 

- Customised Assemblies

- Assemblies designed to suit your needs and can include diodes, thyristors, GTO and IGBTs

- Power Assemblies to suit every application


For further information on our range of heatsinks and power assemblies please call our sales team on: 01444 243 452 or email: .(JavaScript must be enabled to view this email address).