The 139975-H5004 is an obsolete pulse transformer designed for electronic applications. It comes in a tray package and has a size dimension of 0.690" L x 0.480" W (17.53mm x 12.20mm). This transformer is specifically designed for LAN 1000 Base-T applications. The height when seated is 0.235" (5.97mm) and it is surface mountable. With a weight of 0.06 oz (1.71 g), it is lightweight and compact. The operating temperature range is 0°C to 70°C, making it suitable for various environments. With an ECCN status of EAR99, it is not subject to export control.