Sensata Technologies

Heat Sink Selection For Solid State Relay Applications

Published by Sensata Technologies

Heat Sinks are required to insure the proper operation and long term reliability of Solid State Relays because they provide a means to dissipate the power that is normally developed by the SSR into the surrounding ambient air and maintain a safe operating temperature. 

This paper discusses “Why Heat Sinks are Required for Reliable Solid State Relay Operation”, how the minimum required Heat Sink thermal impedance rating is calculated based upon application operating conditions, and includes an example calculation. 

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Related Categories Power, Semiconductors, Relays, Power semiconductors