Surface Mount Lan Ethernet Transformer, 13.97 x 13.5mm, 0 → +70 °C. Insertion Loss: -1dB. Length: 13.97mm. Construction: Enclosed. Minimum Temperature: 0°C. Turns Ratio: 1:1. Isolation Voltage: 1500V ac. Standards Met: IEEE 802.3, UL 94 V-0. Termination Type: Solder. Maximum Temperature: +70°C. MPN: 749053010, Wurth Elektronik