9H03270042 32.768KHz时钟晶振 TXC晶振 3215封装 12.5PF 20PPM ¥0.78 9H03270047 32.768K贴片晶振 TXC晶振 1610贴片晶振 12.5PF 20PPM ¥0.90 9H03270049 32.768K贴片晶振 TXC晶振 1610封装 12.5PF 20PPM ¥0.90 32.768KHz贴片晶振 9H03270052 TXC晶振 3215晶体 12.5PF 20PPM ¥0.78 9H03270059 32.768KHz时钟晶振 TXC晶振 3215封装 12.5PF 20PPM ¥0.78 9H03277003 32.768K晶振 TXC3215晶振 12.5PF 20PPM ¥0.78