laptop dc power jack without cable Center pin diameter: 3.0mm new and original 1:Toshiba Satellite: P10, P15, P20, P25 Series2:Gateway: M675 that uses the standard round ac adapter with a 3.0mm plug tip.REMARK: If you need the 2.5mm please see our PJ008. Toshiba Satellite: P10, P15, P20, P25 Series dc jack without attached board, 3.0mm.