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PS342 In stock

PS342 Capsule Device Heatsink

The PS342 heatsink profile is designed specifically for capsule devices. We stock and machine a large range of heatsinks suitable for stud, modules and capsule semiconductors, alongside high power LED applications.

  • Profile dimensions – 120mm x 222mm
  • Suitable for capsule devices
  • Extrusion in stock
  • Cut to any length
  • Machined to order
  • Optional finishes
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Expert technical support

Design Inspiration, whenever you need it

Custom & flexible ordering

As one of the UK’s leading heatsink suppliers, we stock and machine a wide range of extruded aluminium heatsinks and offer custom designs to cater to customers drawings. We have been supplying heatsinks to customers for many years in the rail, LED lighting, solar, industrial, automotive and marine industries.

Profile Dimensions
120mm x 222mm

Thermal Data

Length Watts C/W Bare DSC C/W Ano Fan 5m/s C/W Bare
180 200 0.207 0.185 0.063
180 400 0.182 0.163 0.063
180 600 0.168 0.15 0.063
300 400 0.141 0.126 0.055
300 600 0.133 0.119 0.055
300 800 0.129 0.115 0.055
600 600 0.0992 0.0883 0.046
600 800 0.0972 0.0865 0.046/td>
600 1000 0.0956 0.085 0.046


Comparison Guide
Browse the heatsink range by device type, part number or comparison guide. The comparison guide allows you to compare the various sizes of each device along with the thermal impedance.

PS342 Comparison Guide

ISO 9001:2015, RoHS Compliant

Typical Applications

  • Rail
  • Solar
  • Electrical & Industrial equipment
  • Automotive
  • Marine

Refer to manufacturer’s datasheet for full technical information.

RoHS Compliant



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Height (mm)


Width (mm)



RoHS Compliant

With over 50 years of extensive experience across a large range of markets, GD Rectifiers design and manufacture standard and custom made heatsinks, selenium and silicon rectifiers, suppressors, converters, inverters and regulator products for industrial power control applications.

GD Rectifiers’ engineers are experts in designing high quality and high reliability heatsinks and power assemblies for applications where optimised performance is required. Solid state semiconductor technology used in power assemblies provide customers with standard and custom design solutions for most industrial power applications.

The custom power specialist also manufactures a wide range of thermal management solutions, including axial fans, thermal trips and fan accessories. GD Rectifiers’ thermal management solutions improve reliability and prevent premature failure.

The company offer a wide range of high efficiency phase controlled thyristors, including replacements for obsolete thyristors, alongside circuit protection devices such as surge arresters and varistors for maximum security and protection.

GD Rectifiers

GD Rectifiers design and manufacture selenium and silicon rectifiers, suppressors, converters, inverters and regulator products for industrial power control applications.

We are one of the UK’s leading distributors of power electronic components and hold extensive stock of diodes, thyristors, IGBTs and MOSFETs from the world’s leading semiconductor manufacturers.

Learn more about our products by getting in touch with us.



GD Rectifiers PS342 Datasheet.pdf

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