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Power Semiconductor Assemblies

As a manufacturer of DC Power Supplies and a distributor of heat sinks, power semiconductors and clamps, Darrah Electric engineering is able to offer a complete line of air and water cooled heat sink assemblies.

Find a standard or custom heat sink assembly in our full line for all common circuit configurations, including Diode/Rectifier, Thyristor/SCR, and IGBT circuits. Our experience with our product lines and the products we distribute allow us to offer practical and economical solutions to our customers so you can find the perfect heat sink assembly for your specific needs.

Darrah engineering provides full 3D assembly drawings along with thermal calculations with our quotations. All heat sink assemblies are 100% tested prior to shipping. Full load testing with thermal data capture is available upon request for prototype or production products.

Serial numbers and date codes are assigned for tracking and quality control.

A Darrah assembly can also be supplied with R/C snubbers, bus bars, fuses, thermostats, fans, current transducers, and firing circuits, to name just a few options.



Typical Applications

Stud (Rectifier) Assemblies

Module Assemblies

High Current SCR Stacks for Power Generation / Excitation

4 Quadrant Re-Gen Rectifier Assemblies

Panel Mounted Bridges

Pulsed Power Applications


Semiconductor Assembly resource center