The 139578-H1012 is a pulse transformer designed for use in transformers - pulse transformers category. It comes in a bulk package and has a size of 1.000" L x 0.390" W (25.40mm x 9.91mm). The transformer type is LAN and it has a height of 0.245" (6.22mm) when seated. The operating temperature range is 0°C to 70°C. The 139578-H1012 is an obsolete product from Pulse with a standard package of 20 pcs. It weighs 0.11 oz (3.13 g) and can be surface mounted. The ECCN is EAR99 and it is REACH unaffected. The HTSUS code is 8504.31.2000. The MSL level is 4 (72 Hours) and the ET (Volt-Time) is not specified.