Manufacturing / Production Technology, Hardware & Services


Retaining springs to fit transistors to heatsinks

20 September 2006 Manufacturing / Production Technology, Hardware & Services

Facilitating the rapid and easy installation of semiconductor components, for example, transistors on heatsinks, reduces assembly costs considerably. For its existing range of heatsinks with special integral groove geometry, Fischer Elektronik has developed further suitable retaining springs.

For fitting transistor assemblies to the heatsink, these springs are fastened in the groove, together with the component, simply by locking-in. The new lock-in retaining springs for transistors allow for the simple and secure fastening of almost all types and sizes of packages (TO 220, TO 218, TO 247 etc; various SIP, Multiwatt and MAX types) without holes on the heatsink, and with optimum heat transfer characteristics.

Another novelty is spring clips, which are not screw-fastened but clipped onto a plate, onto a wall of the housing or onto the PCB, which keeps the transistor safely in place.



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