SMD Dual port Lan transformer used in Switch

The network transformer commonly used in switches is a patch gigabit dual-port network transformer. This is a bit unexpected.

For a gigabit switch, the overall cost of an integrated gigabit dual-port network transformer is about 15% lower than that of two gigabit single-port network transformers, so it is natural to choose a gigabit dual-port integrated network transformer.

Second, here comes the problem. From the price point of view, the in-line gigabit dual-port network transformer is about 15% more expensive than the patch-type gigabit dual-port products. Why don't they choose the cheaper in-line gigabit Dual-port network transformer and choose a more expensive patch-type gigabit dual-port transformer?

Two reasons: 1. The post-process of in-line products requires manual plug-ins, which is higher than the labor cost of machine placement. 2. The overall quality of the post-process of manual plug-ins will be more, such as missed welding, false welding, false welding, etc. . Compared with the automatic placement of the post-machine section, the cost of about 15% of the network transformer product alone is not so important.

Therefore, when the size of the switch board is not limited, gigabit switch manufacturers prefer to choose the patched gigabit dual-port 48PIN network transformer.