ECS-120-8-33-JGL-TR 12MHz晶振 ECS晶振 3225晶振 8PF ¥1.10 20MHz晶振 ECS-200-12-33-AGN-TR 3225封装 12PF 25PPM ¥1.10 ECS晶振 ECS-120-8-33-JGN-TR 12MHz晶振 3225 8PF 20PPM ¥1.10 ECS-250-18-33-JTN-TR 25MHz晶振 ECS晶振 3225晶振 18PF ¥1.10 24MHz晶振 ECS-240-8-33-AGM-TR ECS晶振 8PF 25PPM ¥1.10 24MHz晶振 3225晶振 ECS-240-18-33-AEM-TR ECS晶振 18PF ¥1.10