US Patent 10104760 Pluggable module having cooling channel with heat transfer fins

A pluggable module includes a pluggable body extending between a front end and a mating end receivable in a module cavity of a receptacle assembly to mate with a communication connector. The pluggable body has channel walls defining a cooling channel at a top of the pluggable body allowing airflow between the front end and the mating end. The pluggable body has a plurality of heat transfer fins in the cooling channel between the channel walls and a landing cover spanning between the channel walls over the heat transfer fins. The channel walls, the heat transfer fins and the landing cover are an integral unitary structure.