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Product List
Another consideration is the power dissipation of the SSR in its operating environment. For example, the PS7141E-1A has an allowed maximum power dissipation of 560 mW. The power dissipation of each device in the circuit can contribute to the overall ambient temperature of the operating equipment. Calculation of the Power Dissipation is as follows: The total power consumption (PT) of the PS7141-1A is the sum of power consumption (PE) of the IRED on the input side (primary side) and power consumption (Po) of the light receiving PVD and IC on the output side (MOSFET side), or PT = PE + PO.
PTM Published on: 2009-03-27