Battery Holder for battery type: CR2032,CR1220,CR2450 Battery Holder for battery specification: CR2032,CR1220,CR2450Contact type: SMT , top ... Contact Resistance : 300mΩ Max2 > Insulation Resistance : 1000MΩ Min3 > Withstand Voltage : 750VAC/minute4 > Operation Temperature :-40oC +105oCMaterials:1 > Contact Material : ... 5u D=Au 15u J=Sn100u ~ 120u Battery Holder for battery CR2032 CR1220 CR2450