The 139605-H1053T is a pulse transformer designed for use in electronic devices. It belongs to the category of transformers, specifically pulse transformers. This transformer is packaged in tape and reel, with a size/dimension of 1.125" L x 0.480" W (28.58mm x 12.19mm). It is a LAN 10/100 Base-T transformer with a maximum seated height of 0.280" (7.11mm). The standard package includes 250 pieces. It is surface mountable and operates in a temperature range of 0°C to 70°C. The ECCN is EAR99, and the HTSUS code is 8504.31.2000. The manufacturer of this transformer is Pulse. The product status is obsolete, but its availability in the open market is still at 49%. The moisture sensitivity level (MSL) is 4 (72 hours).