FC-12M 32.768K 12.5PF FC-12M 32.768K 6PF FC-12M 32.768K 9PF FC-12M 32.768K EPSON 晶体 FC-12M 32.768K-60NN90KCX FC-12M 32.768KHZ FC-12M 32.768KHZ 9/20 FC-12M 32.768KHZ 9PF FC-12M 32.768KHZ IC FC-12M 32.768KHZ-12.5