Inner core : 2.1mm Out diameter : 5.5mm Material : copper Size : 2x1cm/0.79x0.39inch Specifications: Product name : DC-022B Use temperature range : - 40 to 55℃ Rated load : DC 30V 0.5A Contact resistance : 0.03Ω or less Insulation resistance : ≥100MΩ Resistance to pressure : AC 500V (50 hz)/min Insertion force : 3-20N Life of life : 5000 times Pin : 2 Connector size : 2.1mm x 5.5mm Quantity : 1 Pcs/1 Set