SGM2031-1.8V SGM2031-1.8YUDH4G SGM2031-1.8YUDH4G/TR SGM2031-2.5YUDH4G/TR SGM2031-2.6YUDH4G/TR SGM2031-2.85YUDH4G/TR SGM2031-2.85YUDH4G/TR 其他被动元件 SGM2031-2.8YUDH4G SGM2031-2.8YUDH4G/TR SGM2031-3.0