Power Assemblies and Controllers

Hollow Fin Heatsinks

GD Rectifiers manufacture a range of Hollow Fin Heatsinks used in a wide range of applications, including: Communications, industrial controls, medical, military, motor drives, power controls, solar energy, transportation and wind energy. 

The Hollow Fin air cooled heatsink is characterised by the shape of its fins. They are manufactured with maximum thermal efficiency in mind. The fins are hollow so that the surface area is maximised and improves forced air cooling thermal efficiency significantly. 


High Efficiency Hollow Fin Large Isolated Device Heatsinks:

PsXX4 – variable width heatsink 

84xW, where W = 200mm, 250mm, 300mm, 400mm, 500mm, 600mm or 750mm


PSxx4C – variable width heatsink

84xW, where W = 165mm, 200mm, 250mm, 300mm, 400mm



GD Rectifiers are experts in Thermal Management, Standard & Custom Made Heatsinks, Cold Plates, Liquid Cooling Solutions and Thermal Assemblies. Offering an extensive range of Air Cooled and Aluminum Heatsinks, they have a wide selection of high quality heatsinks readily available in stock at unbeatable prices and offer a next day delivery service.

GD Rectifiers offer technical support on all heatsinks including specific heat dissipation requirements. 

View the complete Heatsink range here.

For further information on Hollow Fin Heatsinks please call: 01444 243 452 or email: .(JavaScript must be enabled to view this email address)

GD Rectifiers Ltd

GD Rectifiers design and manufacture Selenium and Silicon Rectifiers, Suppressors, Converters, Inverters and Regulator Products for industrial power control applications.

They are the UK's leading Distributor of power electronic components and hold extensive stock of Diodes, Thyristors, IGBTs and MOSFETs from the world's leading semiconductor manufacturers.

Further information:

You can find further information on GD Rectifiers Ltd using the following links:

Tel: 01444 243 452

Fax: 01444 870 722

Email: enquiries@gdrectifiers.co.uk