... SGS ,CCC,VDE,UL 2.9 years' manufacturer 3.provide OEM,ODM Specification of Phone Jack series Temperature -30 ... AC500V.50HZ/min Life: 5,000 CyclesApplication of Phone Jack series Widely apply to:1.Audio Products:MP3 ... domestic security products; 4.Communication Products:mobile phone,vehicle-mounted phone,telephone set,building equipment,PDA and so on ... . Thanks for your visit. PJ-2016 2.5 (SMT) Phone Jack