Huaxuansheng (Shenzhen) Electronics Technology Co., Ltd.
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Main Products: LAN Transformer, RJ45 Integrated Connectors, RJ45 Connectors
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Technical Challenges of 10G LAN Transformer

The 10G transformer works up to 500MHz. Core difficulties lie in high-frequency NEXT & insertion loss control, precise twisted fine wire winding and low-loss Ni-Zn core matching. It needs to balance isolation voltage and stray capacitance. PoE++ versions face conflict between large-current temperature rise and high-frequency performance. Miniaturized SMD products further raise consistency and EMC barriers, demanding refined raw materials and full-automatic production.

This 10G LAN magnetics adopts low-loss Ni-Zn ferrite core & precision twisted differential winding. It effectively optimizes NEXT crosstalk, insertion loss and stray capacitance, balancing 1500Vrms isolation withstand with high-frequency performance. Rated 10GBase-T, 1:1 turns ratio, compact 15.1×10×4mm SMD size, perfectly matched for SFP optical module & data center network equipment, stable batch consistency for mass SMT production.


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