Model：S558-5999-U7-F

Manufacturer：Bel Fuse Inc.

Stocks：9000

Describe：S558-5999-U7-F is a 10/100 Base-T Ethernet LAN transformer (network port transformer / pulse transformer) launched by Bel Magnetic Solutions. It is packaged in a surface mount module. This device is specifically designed for high-speed Ethernet interfaces and is used for signal isolation, impedance matching, and common-mode suppression. This transformer adopts a winding ratio of 1CT:1CT and supports both transmission (Tx) and reception (Rx) channels. Its main parameters are: inductance 350µH, insertion loss 1dB, isolation voltage 1500Vrms. Frequency range 300kHz to 100MHz, meeting the requirements of 10/100 Base-T Ethernet standard. This device adopts a compact surface mount design with dimensions of 12.32mm × 7.24mm × 5.72mm. Its operating temperature range is from -40°C to +85°C. It is suitable for industrial and consumer-level Ethernet applications. It complies with the RoHS standard and is lead-free and environmentally friendly.