Vishay 4.7nF MLCC 440V ac ±20% Through Hole VY2472M49Y5US63V7 VY2472M49Y5US63V7 範耐居 4.7nF MLCC 440V 交流 ±20% 穿越孔 VY2472M49Y5US63V7 VY2472M49Y5US63V7 立即詢價