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The leading manufacturer of heatsinks, thermal conductive materials, cases and connectors.
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Slip-on heatsinks for transistors


For an effective heat dissipation from single transistors fitted to a PCB, Fischer Elektronik have developed a line of heatsinks for carrying heat away from single semiconductors. These heatsinks require little space only, feature good thermal properties and allow easy installation of the transistors.
These so-called slip-on heatsinks are made from precisely extruded aluminium profile. They are slipped onto electronic components of sizes TO220, TO247 and similar and fastened through the mounting holes either to the transistor or, together with the transistor, to the PCB or to another carrier. They may also be fixed using an adhesive.
The width of these compact heatsinks does not exceed the width of the component. The heatsink may be used as a single unit, in a line made up of two or more single units or in a line consisting of coupled units. Both horizontal and vertical installation is possible. Transmission of heat from the transistor to the heatsink is made through the metallic transistor fastening strap.
In addition to the existing standard range of products which are readily available, modified products and special versions according to customer's specifications are also offered. If you have any queries or wish to receive more information, please contact us. We are always at your disposal to give you any advice you may require.

Fischer Elektronik GmbH & Co. KG

Nottebohmstraße 28

58511 Lüdenscheid


  +49 2351 435 - 0

 +49 2351 45754