ECS-160-20-33-AEM-TR 16MHz晶振 ECS晶振 3225晶振 20PF ¥1.10 27MHz晶振 3225晶振 ECS-270-18-33-AEM-TR ECS晶振 18PF ¥1.10 25MHz晶振 ECS-250-10-33-AGL-TR 3225封装 10PF 25PPM ¥1.10 ECS晶振 ECS-100-12-33-AGN-TR 10M晶振 3225 12PF 25PPM ¥1.10 ECS-250-18-33-AEN-TR 25MHz晶振 ECS晶振 3225晶振 18PF ¥1.10 ECS-192-12-33-AGM-TR ECS晶振 19.2MHz晶振 3225晶振 12PF ¥1.10