... transformer, cost effective design and good quality3.Used for telephone exchange and LED lamp4.Wire diameter: 1.0mm5.Outer diameter: 23mm6 ... to Russia, Malaysia, HK, Czech Republic, America, Australia, Belgium and Singapore and UK and other countries, we have win good praise ... : -40 °c to +125 °cApplications:Mainly used for telephone exchange and LED, energy saving lamp and PCB mount equipmentBe able ...