The 139976-H5004T is a pulse transformer designed for LAN 10/100/1000 Base-T applications. It falls under the category of Transformers - Pulse Transformers and comes in a tape & reel package. The size or dimension of this transformer is 0.690" L x 0.480" W (17.53mm x 12.20mm), making it compact and suitable for various electronic devices. With a maximum seated height of 0.217" (5.51mm), it can be easily integrated into circuit boards. The operating temperature range of this transformer is 0°C to 70°C, ensuring its functionality in different environmental conditions. The 139976-H5004T has a standard package of 300 pieces, making it suitable for bulk use. It is an active product, manufactured by Pulse.