Write us.
We look forward to you.


*) Required

Select language


Whether catalogues, certifications or detailed information on our products – a large number of downloads are available to our customers here.

Enclosed you will find available downloads, where you can find further information about our heat sinks and cooling solutions!

More questions?

We would be happy to provide you with a personal consultation so that no questions remain unanswered!

Seifert catalogue

Complete heat sink catalogue for download (18 MByte)

General Information

Delivery program, material, surface treatment, surface finish, tolerances, determination of thermal resistances.

Quality Management

The company is certified according to ISO 9001:2015. Current certificate as PDF document.

Certification according to EN 15085-2, class CL 4

The certification according to EN 15085-2 enables Seifert electronic to purchase and process welded heat sinks of class CL 2 for rail vehicles.

Green Power Certificate

Certification by TÜV Nord for the "green electricity" product of the AVU utility company

Conditions of sale, delivery and payment

Sales, delivery and payment conditions for download

Conditions of purchase

Conditions of purchase for download